List of counties in Illinois
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This is a list of the 102 counties in the state of Illinois. Information on the FIPS county code, county seat, year of establishment, origin, etymology, population, area and map of each county is included in the table below.
Contents |
[edit] Alphabetical list
Note: the links in the FIPS County Code column are to the Census Bureau info page for that county.
| County |
FIPS Code [1] |
County seat [2] |
Established [2] |
Origin |
Etymology[3][4] |
Population [2] |
Area [2] |
Map |
|---|---|---|---|---|---|---|---|---|
| Adams County | 001 | Quincy | 1825 | Pike County | John Quincy Adams (1767–1848), sixth President of the United States | 68,277 | 857 sq mi (2,220 km2) |
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| Alexander County | 003 | Cairo | 1819 | state of Missouri | William M. Alexander, a settler and state representative in the Illinois General Assembly | 9,590 | 236 sq mi (611 km2) |
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| Bond County | 005 | Greenville | 1817 | Crawford County, Edwards County, and Madison County | Shadrach Bond (1773–1832), First Governor of Illinois | 17,633 | 380 sq mi (984 km2) |
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| Boone County | 007 | Belvidere | 1837 | Winnebago County | Daniel Boone (1734-1820), trailblazer of the Wilderness Road in Kentucky | 41,786 | 281 sq mi (728 km2) |
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| Brown County | 009 | Mount Sterling | 1839 | Schuyler County | Jacob Brown (1775–1828), a successful American Revolution army officer responsible for Great Lakes defenses | 6,950 | 306 sq mi (793 km2) |
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| Bureau County | 011 | Princeton | 1837 | Putnam County | Pierre de Bureo, Frenchman, North American fur trader | 35,503 | 869 sq mi (2,251 km2) |
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| Calhoun County | 013 | Hardin | 1825 | Pike County | John C. Calhoun (1782–1850), South Carolina senator and seventh Vice President of the United States | 5,084 | 254 sq mi (658 km2) |
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| Carroll County | 015 | Mount Carroll | 1839 | Jo Daviess | Charles Carroll of Carrollton (1737–1832), signed the Declaration of Independence on behalf of Maryland | 16,674 | 444 sq mi (1,150 km2) |
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| Cass County | 017 | Virginia | 1837 | Morgan County | Lewis Cass (1782–1866), second governor of Michigan Territory, fourteenth United States Secretary of War | 13,695 | 376 sq mi (974 km2) |
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| Champaign County | 019 | Urbana | 1833 | Vermilion County | Champaign County, Ohio | 179,669 | 997 sq mi (2,582 km2) |
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| Christian County | 021 | Taylorville | 1839 | Sangamon County | Christian County, Kentucky | 35,372 | 709 sq mi (1,836 km2) |
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| Clark County | 023 | Marshall | 1819 | Crawford County | George Rogers Clark (1752–1818), highest-ranking officer in the Northwest Territory during the American Revolution | 17,008 | 502 sq mi (1,300 km2) |
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| Clay County | 025 | Louisville | 1824 | Wayne, Lawrence, Fayette, and Crawford County | Henry Clay (1777–1852), Kentucky legislator who negotiated the Missouri Compromise | 14,560 | 469 sq mi (1,215 km2) |
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| Clinton County | 027 | Carlyle | 1824 | Washington, Bond, and Fayette County | DeWitt Clinton (1769–1828), Governor of New York, responsible for the construction of the Erie Canal | 35,535 | 474 sq mi (1,228 km2) |
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| Coles County | 029 | Charleston | 1830 | Clark and Edgar County | Edward Coles (1786–1868), second Governor of Illinois, responsible for the abolition of slavery in Illinois | 53,196 | 508 sq mi (1,316 km2) |
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| Cook County | 031 | Chicago | 1831 | Putnam County | Daniel Pope Cook (1794–1827), politician and first Attorney General of Illinois | 5,376,741 | 946 sq mi (2,450 km2) |
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| Crawford County | 033 | Robinson | 1816 | Edwards County | William H. Crawford (1772–1834), ninth United States Secretary of War, seventh Secretary of the Treasury | 20,452 | 444 sq mi (1,150 km2) |
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| Cumberland County | 035 | Toledo | 1843 | Coles County | Disputed: Cumberland Road, which entered the county; Cumberland, Maryland; or Cumberland River in Kentucky | 11,253 | 346 sq mi (896 km2) |
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| De Witt County | 039 | Clinton | 1839 | Macon and McLean County | DeWitt Clinton (1769–1828), Governor of New York, responsible for the construction of the Erie Canal | 16,798 | 398 sq mi (1,031 km2) |
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| DeKalb County | 037 | Sycamore | 1837 | Kane County | Johann de Kalb (1721–1780), German soldier in the Continental Army who fought alongside Gilbert du Motier, marquis de Lafayette | 88,969 | 634 sq mi (1,642 km2) |
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| Douglas County | 041 | Tuscola | 1859 | Coles County | Stephen A. Douglas (1813–1861), prominent Illinois Democrat who engaged in debates with Abraham Lincoln | 19,922 | 417 sq mi (1,080 km2) |
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| DuPage County | 043 | Wheaton | 1839 | Cook County | DuPage River | 904,161 | 334 sq mi (865 km2) |
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| Edgar County | 045 | Paris | 1823 | Clark County | John Edgar (c. 1750–1832), Illinois delegate to the Northwest Territory legislature; at time, wealthiest man in Illinois | 19,704 | 624 sq mi (1,616 km2) |
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| Edwards County | 047 | Albion | 1814 | Gallatin County and Madison County | Ninian Edwards (1775–1833), third Governor of the State of Illinois and only governor of the Illinois Territory | 6,971 | 222 sq mi (575 km2) |
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| Effingham County | 049 | Effingham | 1831 | Fayette and Crawford County | Lord Edward Effingham, military officer who resigned from the British Army to avoid fighting the American colonies | 34,264 | 479 sq mi (1,241 km2) |
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| Fayette County | 051 | Vandalia | 1821 | Bond, Wayne, Clark, Jefferson, and Crawford County | Marquis de la Fayette (1757–1834), French military officer who was a key factor in the American and French Revolutions. | 21,802 | 716 sq mi (1,854 km2) |
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| Ford County | 053 | Paxton | 1859 | Kankakee County | Thomas Ford (1800–1850), eighth Governor of Illinois; served during the Illinois Mormon War | 14,241 | 486 sq mi (1,259 km2) |
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| Franklin County | 055 | Benton | 1818 | White County and Gallatin County | Benjamin Franklin (1706–1790), prolific writer, inventor, and politician; key factor in the American Revolution | 39,018 | 412 sq mi (1,067 km2) |
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| Fulton County | 057 | Lewistown | 1823 | Pike County | Robert Fulton (1765–1815), inventor of the steamboat | 38,250 | 866 sq mi (2,243 km2) |
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| Gallatin County | 059 | Shawneetown | 1812 | Randolph County | Albert Gallatin (1761–1849), fourth and longest-serving United States Secretary of the Treasury | 6,445 | 324 sq mi (839 km2) |
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| Greene County | 061 | Carrollton | 1821 | Madison County | Nathanael Greene (1742–1786), major general in the Continental Army | 14,761 | 543 sq mi (1,406 km2) |
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| Grundy County | 063 | Morris | 1841 | LaSalle County | Felix Grundy (1777–1840), Tennessean senator that served as the thirteenth United States Attorney General | 37,535 | 420 sq mi (1,088 km2) |
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| Hamilton County | 065 | McLeansboro | 1821 | White County | Alexander Hamilton (1755–1804), first United States Secretary of the Treasury | 8,621 | 435 sq mi (1,127 km2) |
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| Hancock County | 067 | Carthage | 1825 | Adams County | John Hancock (1737–1793), first governor of the Massachusetts colony and president of the Second Continental Congress | 20,121 | 795 sq mi (2,059 km2) |
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| Hardin County | 069 | Elizabethtown | 1839 | Pope County | Hardin County, Kentucky | 4,800 | 178 sq mi (461 km2) |
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| Henderson County | 071 | Oquawka | 1841 | Warren County | Henderson County, Kentucky | 8,213 | 379 sq mi (982 km2) |
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| Henry County | 073 | Cambridge | 1825 | Adams County | Patrick Henry | 51,020 | 823 sq mi (2,132 km2) |
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| Iroquois County | 075 | Watseka | 1833 | Vermilion County | Iroquois Native Americans | 31,334 | 1,116 sq mi (2,890 km2) |
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| Jackson County | 077 | Murphysboro | 1816 | Randolph County and Johnson County | Andrew Jackson | 59,612 | 588 sq mi (1,523 km2) |
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| Jasper County | 079 | Newton | 1831 | Clay and Crawford County | William Jasper | 10,117 | 494 sq mi (1,279 km2) |
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| Jefferson County | 081 | Mount Vernon | 1819 | Edwards and White County | Thomas Jefferson | 40,045 | 571 sq mi (1,479 km2) |
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| Jersey County | 083 | Jerseyville | 1839 | Greene County | State of New Jersey | 21,668 | 369 sq mi (956 km2) |
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| Jo Daviess County | 085 | Galena | 1827 | Henry, Mercer, and Putnam County | Joseph Hamilton Daviess | 22,289 | 601 sq mi (1,557 km2) |
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| Johnson County | 087 | Vienna | 1812 | Randolph County | Richard Mentor Johnson | 12,878 | 346 sq mi (896 km2) |
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| Kane County | 089 | Geneva | 1836 | Cook County | Elias Kane | 404,119 | 521 sq mi (1,349 km2) |
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| Kankakee County | 091 | Kankakee | 1853 | Iroquois and Will County | Kankakee River | 103,833 | 678 sq mi (1,756 km2) |
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| Kendall County | 093 | Yorkville | 1841 | LaSalle and Kane County | Amos Kendall | 54,544 | 321 sq mi (831 km2) |
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| Knox County | 095 | Galesburg | 1825 | Fulton County | Gen. Henry Knox | 55,836 | 716 sq mi (1,854 km2) |
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| Lake County | 097 | Waukegan | 1839 | McHenry County | Lakes populating the county | 644,356 | 448 sq mi (1,160 km2) |
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| LaSalle County | 099 | Ottawa | 1831 | Putnam County | Sieur de la Salle | 111,509 | 1,135 sq mi (2,940 km2) |
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| Lawrence County | 101 | Lawrenceville | 1821 | Crawford and Edwards County | James Lawrence | 15,452 | 372 sq mi (963 km2) |
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| Lee County | 103 | Dixon | 1839 | Ogle County | Lighthorse Harry Lee | 36,062 | 725 sq mi (1,878 km2) |
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| Livingston County | 105 | Pontiac | 1837 | LaSalle and McLean County | Edward Livingston | 39,678 | 1,044 sq mi (2,704 km2) |
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| Logan County | 107 | Lincoln | 1839 | Sangamon County | John A. Logan | 31,183 | 618 sq mi (1,601 km2) |
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| Macon County | 115 | Decatur | 1829 | Shelby County | Nathaniel Macon | 114,706 | 581 sq mi (1,505 km2) |
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| Macoupin County | 117 | Carlinville | 1829 | Greene County | Native American word Macoupin | 49,019 | 864 sq mi (2,238 km2) |
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| Madison County | 119 | Edwardsville | 1812 | St. Clair County and Randolph County | James Madison | 258,941 | 725 sq mi (1,878 km2) |
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| Marion County | 121 | Salem | 1823 | Fayette and Jefferson County | Francis Marion | 41,691 | 572 sq mi (1,481 km2) |
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| Marshall County | 123 | Lacon | 1839 | Putnam County | John Marshall | 13,180 | 386 sq mi (1,000 km2) |
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| Mason County | 125 | Havana | 1841 | Tazewell and Menard County | George Mason | 16,038 | 539 sq mi (1,396 km2) |
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| Massac County | 127 | Metropolis | 1843 | Pope and Johnson County | Fort Massac | 15,161 | 239 sq mi (619 km2) |
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| McDonough County | 109 | Macomb | 1826 | Schuyler County | Commodore Thomas McDonough | 32,913 | 589 sq mi (1,526 km2) |
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| McHenry County | 111 | Woodstock | 1836 | Cook County | Gen. William McHenry | 260,077 | 604 sq mi (1,564 km2) |
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| McLean County | 113 | Bloomington | 1830 | Tazewell County | John McLean | 150,433 | 1,184 sq mi (3,067 km2) |
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| Menard County | 129 | Petersburg | 1839 | Sangamon County | Pierre Menard | 12,486 | 314 sq mi (813 km2) |
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| Mercer County | 131 | Aledo | 1825 | Schuyler County | Hugh Mercer | 16,957 | 561 sq mi (1,453 km2) |
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| Monroe County | 133 | Waterloo | 1816 | Randolph County and St. Clair County | James Monroe | 27,619 | 388 sq mi (1,005 km2) |
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| Montgomery County | 135 | Hillsboro | 1821 | Bond and Madison County | Richard Montgomery | 30,652 | 704 sq mi (1,823 km2) |
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| Morgan County | 137 | Jacksonville | 1823 | Sangamon County | Daniel Morgan | 36,616 | 569 sq mi (1,474 km2) |
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| Moultrie County | 139 | Sullivan | 1843 | Shelby and Macon County | William Moultrie | 14,287 | 336 sq mi (870 km2) |
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| Ogle County | 141 | Oregon | 1836 | Jo Daviess | Joseph Ogle | 51,032 | 759 sq mi (1,966 km2) |
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| Peoria County | 143 | Peoria | 1825 | Fulton County | Native American Peoria | 183,433 | 620 sq mi (1,606 km2) |
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| Perry County | 145 | Pinckneyville | 1827 | Randolph and Jackson County | Oliver Hazard Perry | 23,094 | 441 sq mi (1,142 km2) |
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| Piatt County | 147 | Monticello | 1841 | De Witt and Macon County | John Piatt | 16,365 | 440 sq mi (1,140 km2) |
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| Pike County | 149 | Pittsfield | 1821 | Madison, Bond, and Clark County | Zebulon Pike | 17,384 | 830 sq mi (2,150 km2) |
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| Pope County | 151 | Golconda | 1816 | Gallatin and Johnson County | Nathaniel Pope | 4,413 | 371 sq mi (961 km2) |
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| Pulaski County | 153 | Mound City | 1843 | Alexander and Johnson County | Kazimierz Pulaski | 7,348 | 201 sq mi (521 km2) |
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| Putnam County | 155 | Hennepin | 1825 | Peoria County | Israel Putnam | 6,086 | 160 sq mi (414 km2) |
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| Randolph County | 157 | Chester | 1795 | St. Clair County | Edmund Randolph | 33,893 | 578 sq mi (1,497 km2) |
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| Richland County | 159 | Olney | 1841 | Clay and Lawrence County | Richland County, Ohio | 16,149 | 360 sq mi (932 km2) |
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| Rock Island County | 161 | Rock Island | 1831 | Jo Daviess County | Rock Island | 149,374 | 427 sq mi (1,106 km2) |
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| Saline County | 165 | Harrisburg | 1847 | Gallatin County | Salt springs within the county | 26,733 | 383 sq mi (992 km2) |
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| Sangamon County | 167 | Springfield | 1821 | Madison and Bond County | Sangamon River | 188,951 | 868 sq mi (2,248 km2) |
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| Schuyler County | 169 | Rushville | 1825 | Pike and Fulton County | Philip Schuyler | 7,189 | 437 sq mi (1,132 km2) |
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| Scott County | 171 | Winchester | 1839 | Morgan County | Scott family | 5,537 | 251 sq mi (650 km2) |
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| Shelby County | 173 | Shelbyville | 1827 | Fayette County | Isaac Shelby | 22,893 | 759 sq mi (1,966 km2) |
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| St. Clair County | 163 | Belleville | 1790 | original two counties | Arthur St. Clair | 256,082 | 664 sq mi (1,720 km2) |
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| Stark County | 175 | Toulon | 1839 | Knox and Putnam County | John Stark | 6,332 | 288 sq mi (746 km2) |
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| Stephenson County | 177 | Freeport | 1837 | Jo Daviess and Winnebago County | Benjamin Stephenson | 48,979 | 564 sq mi (1,461 km2) |
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| Tazewell County | 179 | Pekin | 1827 | Sangamon County | Littleton Waller Tazewell | 128,485 | 649 sq mi (1,681 km2) |
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| Union County | 181 | Jonesboro | 1818 | Johnson County | federal union | 18,293 | 416 sq mi (1,077 km2) |
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| Vermilion County | 183 | Danville | 1826 | Clark and Edgar County | Vermilion River | 83,919 | 899 sq mi (2,328 km2) |
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| Wabash County | 185 | Mount Carmel | 1824 | Edwards County | Wabash River | 12,937 | 224 sq mi (580 km2) |
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| Warren County | 187 | Monmouth | 1825 | Schuyler County | Joseph Warren | 18,735 | 543 sq mi (1,406 km2) |
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| Washington County | 189 | Nashville | 1818 | St. Clair County | George Washington | 15,148 | 563 sq mi (1,458 km2) |
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| Wayne County | 191 | Fairfield | 1819 | Edwards County | Gen. "Mad" Anthony Wayne | 17,151 | 714 sq mi (1,849 km2) |
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| White County | 193 | Carmi | 1815 | Gallatin County | Isaac White | 15,371 | 495 sq mi (1,282 km2) |
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| Whiteside County | 195 | Morrison | 1836 | Jo Daviess and Henry County | Samuel Whiteside | 60,653 | 685 sq mi (1,774 km2) |
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| Will County | 197 | Joliet | 1836 | Cook and Iroquois County | Conrad Will | 502,266 | 837 sq mi (2,168 km2) |
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| Williamson County | 199 | Marion | 1839 | Franklin County | Hugh Williamson | 61,296 | 424 sq mi (1,098 km2) |
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| Winnebago County | 201 | Rockford | 1836 | Jo Daviess | Winnebago Native Americans | 278,418 | 514 sq mi (1,331 km2) |
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| Woodford County | 203 | Eureka | 1841 | Tazewell and McLean County | William Woodford | 35,469 | 528 sq mi (1,368 km2) |
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[edit] Defunct counties
- Dane County was renamed in 1840 to the current Christian County.
- The original Knox County, Illinois, became extinct with the formation of the Illinois Territory in 1809 - or, more precisely, it became Knox County, Indiana. The modern Knox County, Illinois was formed much later and was not a part of the original Knox County.
[edit] See also
- List of Illinois county name etymologies
- List of cities in Illinois
- List of precincts in Illinois
- List of towns and villages in Illinois
- List of townships in Illinois
[edit] References
- ^ "EPA County FIPS Code Listing". EPA.gov. http://www.epa.gov/enviro/html/codes/il.html. Retrieved on 2008-02-23.
- ^ a b c d National Association of Counties. "NACo - Find a county". http://www.naco.org/Template.cfm?Section=Find_a_County&Template=/cffiles/counties/state.cfm&state.cfm&statecode=VA. Retrieved on 2007-04-26.
- ^ "Illinois County Biographies". Genealogy Trails.com. Genealogy Trails. 2000. http://genealogytrails.com/ill/cobiosad.htm. Retrieved on 2008-09-21.
- ^ "The Origin of Illinois County Names". Genealogy Trails.com. Genealogy Trails. 2000. http://genealogytrails.com/ill/ilcohx.htm. Retrieved on 2008-09-21.
[edit] External links
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Wikimedia Commons has media related to: Counties in Illinois |
- Census 2000 Gazetteer
- Illinois Association of County Board Members and Commissioners
- Illinois City/County Management Association
- National Association of Counties
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