Jo Daviess County, Illinois

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This article is about the county in Illinois. For other counties with similar names, see Daviess County (disambiguation).
Jo Daviess County, Illinois
Jo Daviess County IL U.S. 20 terrain1.JPG
Rugged terrain in the county, part of the Driftless Area
Map of Illinois highlighting Jo Daviess County
Location in the state of Illinois
Map of the United States highlighting Illinois
Illinois's location in the U.S.
Founded 1827
Named for Joseph Hamilton Daveiss
Seat Galena
Largest city Galena
Area
 • Total 619 sq mi (1,603 km2)
 • Land 601 sq mi (1,557 km2)
 • Water 18 sq mi (47 km2), 2.9%
Population
 • (2010) 22,691
 • Density 38/sq mi (15/km²)
Congressional district 17th
Time zone Central: UTC-6/-5
Website www.jodaviess.org

Jo Daviess County is a county located in the northwest corner of U.S. state of Illinois. According to the 2010 census, it had a population of 22,678.[1] Its county seat is Galena.[2]

Jo Daviess County is part of the Tri-State Area and is located near Dubuque, Iowa and Platteville, Wisconsin. As part of the Driftless Area, Jo Daviess County is known for its scenic stretches of road and valley views. Within Jo Daviess County lies Charles Mound, the highest natural point in Illinois.

History[edit]

Jo Daviess County was formed in 1827 out of Henry and Putnam Counties. It is named for Maj. Joseph Hamilton Daveiss, United States District Attorney for Kentucky, who was killed in 1811 at the Battle of Tippecanoe. Maj. Daveiss' name is universally misspelled, as in the name of this and other counties. The local pronunciation is "Davis".

A proposed wind farm would be located near the town of Nora in the northeastern corner of the county.

County border changes[edit]

  • 1830- The northern border of Illinois and Wisconsin was formally established. Until that time, several Wisconsin towns actually were under the jurisdiction of Jo Daviess County.[3]
  • 1831- Rock Island County was formed from a part of the county, along with a new northern extension of Henry County and Putnam County.
  • 1836- Whiteside, Ogle, and Winnebago counties were formed from the southern and eastern sections of the county.
  • 1837- Stephenson County was formed from the eastern section of the county.
  • 1839- Carroll County was formed from the southern section of the county.

Geography[edit]

Charles Mound, the highest natural point in Illinois at 1235 feet, is located near Scales Mound in Jo Daviess County.

According to the U.S. Census Bureau, the county has a total area of 619 square miles (1,600 km2), of which 601 square miles (1,560 km2) is land and 18 square miles (47 km2) (2.9%) is water.[5]

Climate and weather[edit]

Galena, Illinois
Climate chart (explanation)
J F M A M J J A S O N D
 
 
1.1
 
27
9
 
 
1.3
 
33
14
 
 
2.3
 
45
25
 
 
3.3
 
59
36
 
 
3.7
 
71
47
 
 
4.6
 
81
57
 
 
3.3
 
84
62
 
 
4.4
 
82
60
 
 
3.6
 
74
51
 
 
2.5
 
62
39
 
 
2.6
 
45
27
 
 
1.6
 
32
16
Average max. and min. temperatures in °F
Precipitation totals in inches
Source: The Weather Channel[6]

In recent years, average temperatures in the county seat of Galena have ranged from a low of 9 °F (−13 °C) in January to a high of 84 °F (29 °C) in July, although a record low of −34 °F (−37 °C) was recorded in February 1996 and a record high of 103 °F (39 °C) was recorded in August 1988. Average monthly precipitation ranged from 1.14 inches (29 mm) in January to 4.58 inches (116 mm) in June.[6]

Major highways[edit]

Adjacent counties[edit]

National protected area[edit]

Government[edit]

  • Ron Smith (R), Distrct 9 (Council Hill & East Galena), Chairman
  • Brandon Behlke (R), District 11 (West Galena II & Rawlins)
  • Gerald Bennett (D), District 6 (Apple River & Warren I)
  • Merri Belage (R), District 13 (Elizabeth & Rice), Vice-Chair
  • Bill Bingham (R), District 4 (Vinegar Hill & Menominee)
  • Jody Covert (R), District 14 (Hanover & Rice)
  • Rick Dittmar (R), District 15 (Berreman, Derinda, Pleasant Valley, & Woodbine)
  • Robert Heuerman (R), District 16 (Stockton I & Wards Grove)
  • Dan Hughes (R), District 7 (Nora, Warren II, & Rush)
  • Randy Jobgen (D), District 10 (West Galena I)
  • Steve McIntyre (R), District 8 (Thompson & Guilford)
  • Margie Montelius (D), District 1 (Dunlieth I)
  • John O'Boyle (R), District 17 (Stockton II & Rush)
  • Steve Rutz (R), District 3 (Dunlieth III)
  • Terry Stoffregen (R), District 12 (West Galena III & Rawlins)
  • R.J. Winkelhake (R), District 5 (Scales Mound & Guilford)
  • Don Zillig (D), District 2 (Dunlieth II)

Demographics[edit]

2000 census age pyramid for Jo Daviess County
Historical population
Census Pop.
1830 2,111
1840 6,180 192.8%
1850 18,604 201.0%
1860 27,325 46.9%
1870 27,820 1.8%
1880 27,528 −1.0%
1890 25,101 −8.8%
1900 24,533 −2.3%
1910 22,657 −7.6%
1920 21,917 −3.3%
1930 20,235 −7.7%
1940 19,989 −1.2%
1950 21,459 7.4%
1960 21,821 1.7%
1970 21,766 −0.3%
1980 23,520 8.1%
1990 21,821 −7.2%
2000 22,289 2.1%
2010 22,691 1.8%
Est. 2013 22,407 −1.3%
U.S. Decennial Census[7]
1790-1960[8] 1900-1990[9]
1990-2000[10] 2010-2013[1]

As of the census[11] of 2010, there were 22,691 people, 9,524 households, and 6,436 families residing in the county. The population density was 36.67 people per square mile (14/km²). There were 13,587 housing units at an average density of 21.96 per square mile (8/km²). The racial makeup of the county was 96.9% White, 0.70% Black or African American, 0.10% Native American, 0.40% Asian, 1.0% from other races, and 0.9% from two or more races. 2.70% of the population were Hispanic or Latino of any race. 47.4% were of German, 18.2% Irish, 11.2% American and 8.1% English ancestry according to Census 2010.

There were 9,524 households out of which 23.0% had children under the age of 18 living with them, 55.30% were married couples living together, 6.50% had a female householder with no husband present, and 32.40% were non-families. 26.80% of all households were made up of individuals and 12.50% had someone living alone who was 65 years of age or older. The average household size was 2.36 and the average family size was 2.85.

In the county the population was spread out with 22.40% under the age of 19, 4.30% from 20 to 24, 20.30% from 25 to 44, 31.30% from 45 to 64, and 21.50% who were 65 years of age or older. The median age was 42 years. For every 100 females there were 101.60 males. For every 100 females age 18 and over, there were 99.90 males.

The median income for a household in the county was $49,992, and the median income for a family was $60,185. Males had a median income of $40,935 versus $30,585 for females. The per capita income for the county was $28,839. About 5.90% of families and 8.80% of the population were below the poverty line, including 12.10% of those under age 18 and 7.10% of those age 65 or over.

Communities[edit]

Downtown Galena (the county seat) viewed from the U.S. Grant Home

Cities[edit]

Villages[edit]

Townships[edit]

Jo Daviess County is divided into twenty-three townships:

See also[edit]

References[edit]

  1. ^ a b "State & County QuickFacts". United States Census Bureau. Retrieved July 6, 2014. 
  2. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07. 
  3. ^ http://www.galenahistorymuseum.org/courthouse.htm Jo Daviess County Courthouse: History Highlights
  4. ^ White, Jesse. Origin and Evolution of Illinois Counties. State of Illinois, March 2010. [1]
  5. ^ "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23. 
  6. ^ a b "Monthly Averages for Galena, Illinois". The Weather Channel. Retrieved 2011-01-27. 
  7. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved July 6, 2014. 
  8. ^ "Historical Census Browser". University of Virginia Library. Retrieved July 6, 2014. 
  9. ^ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved July 6, 2014. 
  10. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000". United States Census Bureau. Retrieved July 6, 2014. 
  11. ^ "American FactFinder". United States Census Bureau. Retrieved 2008-01-31. 

External links[edit]

Coordinates: 42°22′N 90°13′W / 42.36°N 90.21°W / 42.36; -90.21