Warren County, Illinois

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Warren County, Illinois
Warren County Courthouse in Monmouth.jpg
Warren County Courthouse in Monmouth
Map of Illinois highlighting Warren County
Location in the state of Illinois
Map of the United States highlighting Illinois
Illinois's location in the U.S.
Founded 1825
Named for Joseph Warren
Seat Monmouth
Largest city Monmouth
Area
 • Total 543 sq mi (1,406 km2)
 • Land 542 sq mi (1,404 km2)
 • Water 0.6 sq mi (2 km2), 0.1%
Population
 • (2010) 17,707
 • Density 33/sq mi (13/km²)
Congressional district 17th
Time zone Central: UTC-6/-5
Website www.warrencountyil.com

Warren County is a county located in the U.S. state of Illinois. According to the 2010 census, it had a population of 17,707.[1] Its county seat is Monmouth.[2]

History[edit]

Warren County was organized in 1825 out of Pike County. Pike County, consisted of all portions of state North and West of the Illinois River before 1825. Henderson County was formed in 1841 from the western area of Warren County. Warren County was named for Dr. Joseph Warren, killed at the Battle of Bunker Hill in 1775. He is believed to have been the first officer to fall in the Revolutionary War.

The current courthouse, constructed of red Portage stone, was completed in 1895.

Geography[edit]

According to the U.S. Census Bureau, the county has a total area of 543 square miles (1,410 km2), of which 542 square miles (1,400 km2) is land and 0.6 square miles (1.6 km2) (0.1%) is water.[4]

Climate and weather[edit]

Monmouth, Illinois
Climate chart (explanation)
J F M A M J J A S O N D
 
 
1.6
 
 
31
15
 
 
1.7
 
 
37
21
 
 
2.9
 
 
49
30
 
 
3.8
 
 
63
41
 
 
4.3
 
 
73
51
 
 
4.3
 
 
81
60
 
 
4.3
 
 
85
64
 
 
4
 
 
83
62
 
 
3.5
 
 
77
54
 
 
3
 
 
65
43
 
 
2.7
 
 
49
32
 
 
2.3
 
 
35
20
Average max. and min. temperatures in °F
Precipitation totals in inches
Source: The Weather Channel[5]

In recent years, average temperatures in the county seat of Monmouth have ranged from a low of 15 °F (−9 °C) in January to a high of 85 °F (29 °C) in July, although a record low of −27 °F (−33 °C) was recorded in February 1905 and a record high of 110 °F (43 °C) was recorded in July 1936. Average monthly precipitation ranged from 1.62 inches (41 mm) in January to 4.33 inches (110 mm) in July.[5]

Adjacent counties[edit]

Demographics[edit]

Historical population
Census Pop.
1830 308
1840 6,739 2,088.0%
1850 8,176 21.3%
1860 18,336 124.3%
1870 23,174 26.4%
1880 22,933 −1.0%
1890 21,281 −7.2%
1900 23,163 8.8%
1910 23,313 0.6%
1920 21,488 −7.8%
1930 21,745 1.2%
1940 21,286 −2.1%
1950 21,981 3.3%
1960 21,587 −1.8%
1970 21,595 0.0%
1980 21,943 1.6%
1990 19,181 −12.6%
2000 18,735 −2.3%
2010 17,707 −5.5%
Est. 2013 17,726 0.1%
U.S. Decennial Census[6]
1790-1960[7] 1900-1990[8]
1990-2000[9] 2010-2013[1]

As of the 2010 United States Census, there were 17,707 people, 6,918 households, and 4,617 families residing in the county.[10] The population density was 32.6 inhabitants per square mile (12.6/km2). There were 7,682 housing units at an average density of 14.2 per square mile (5.5/km2).[4] The racial makeup of the county was 91.3% white, 1.7% black or African American, 0.5% Asian, 0.2% American Indian, 0.1% Pacific islander, 4.5% from other races, and 1.6% from two or more races. Those of Hispanic or Latino origin made up 8.4% of the population.[10] In terms of ancestry, 25.2% were German, 14.7% were Irish, 11.3% were English, 10.0% were Swedish, and 5.5% were American.[11]

Of the 6,918 households, 29.6% had children under the age of 18 living with them, 52.2% were married couples living together, 9.7% had a female householder with no husband present, 33.3% were non-families, and 28.2% of all households were made up of individuals. The average household size was 2.40 and the average family size was 2.91. The median age was 39.6 years.[10]

The median income for a household in the county was $41,636 and the median income for a family was $49,623. Males had a median income of $40,289 versus $25,460 for females. The per capita income for the county was $20,047. About 11.0% of families and 13.4% of the population were below the poverty line, including 18.1% of those under age 18 and 10.6% of those age 65 or over.[12]

Transportation[edit]

Airport[edit]

Major highways[edit]

Law enforcement[edit]

State[edit]

County[edit]

  • Warren County Sheriff's Office

Municipal[edit]

  • Alexis Police Department, Alexis
  • Monmouth Police Department, Monmouth

Volunteer[edit]

Warren County/Monmouth Auxiliary Police Corps

Communities[edit]

City[edit]

Villages[edit]

Unincorporated communities[edit]

Townships[edit]

Warren County is divided into these townships:

See also[edit]

References[edit]

  1. ^ a b "State & County QuickFacts". United States Census Bureau. Retrieved July 9, 2014. 
  2. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07. 
  3. ^ White, Jesse. Origin and Evolution of Illinois Counties. State of Illinois, March 2010. [1]
  4. ^ a b "Population, Housing Units, Area, and Density: 2010 - County". United States Census Bureau. Retrieved 2015-07-12. 
  5. ^ a b "Monthly Averages for Monmouth, Illinois". The Weather Channel. Retrieved 2011-01-27. 
  6. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved July 9, 2014. 
  7. ^ "Historical Census Browser". University of Virginia Library. Retrieved July 9, 2014. 
  8. ^ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved July 9, 2014. 
  9. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Retrieved July 9, 2014. 
  10. ^ a b c "DP-1 Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data". United States Census Bureau. Retrieved 2015-07-12. 
  11. ^ "DP02 SELECTED SOCIAL CHARACTERISTICS IN THE UNITED STATES – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Retrieved 2015-07-12. 
  12. ^ "DP03 SELECTED ECONOMIC CHARACTERISTICS – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Retrieved 2015-07-12. 

External links[edit]

Coordinates: 40°51′N 90°37′W / 40.85°N 90.61°W / 40.85; -90.61