Warren County, Illinois

Warren County, Illinois

Warren County Courthouse in Monmouth
Map of Illinois highlighting Warren County
Location in the U.S. 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 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

Warren County was organized in 1825 out of Pike County which consisted of all portions of the 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 die in the Revolutionary War.

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

Geography

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

Monmouth, Illinois
Climate chart (explanation)
JFMAMJJASOND
 
 
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

Demographics

Historical population
Census Pop. %±
1830308—
18406,7392,088.0%
18508,17621.3%
186018,336124.3%
187023,17426.4%
188022,933−1.0%
189021,281−7.2%
190023,1638.8%
191023,3130.6%
192021,488−7.8%
193021,7451.2%
194021,286−2.1%
195021,9813.3%
196021,587−1.8%
197021,5950.0%
198021,9431.6%
199019,181−12.6%
200018,735−2.3%
201017,707−5.5%
Est. 201517,527[6]−1.0%
U.S. Decennial Census[7]
1790-1960[8] 1900-1990[9]
1990-2000[10] 2010-2013[1]

At the 2010 United States Census, there were 17,707 people, 6,918 households and 4,617 families residing in the county.[11] 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.[11] 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.[12]

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.[11]

The median household income was $41,636 and the median family income was $49,623. Males had a median income of $40,289 and females $25,460. The per capita incomewas $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.[13]

Transportation

Airport

Major highways

Law enforcement

State

County

Municipal

Volunteer

Warren County/Monmouth Auxiliary Police Corps

Communities

City

Villages

Unincorporated communities

Townships

Warren County is divided into these townships:

See also

References

  1. 1 2 "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.
  4. 1 2 "Population, Housing Units, Area, and Density: 2010 - County". United States Census Bureau. Retrieved July 12, 2015.
  5. 1 2 "Monthly Averages for Monmouth, Illinois". The Weather Channel. Retrieved 2011-01-27.
  6. ↑ "County Totals Dataset: Population, Population Change and Estimated Components of Population Change: April 1, 2010 to July 1, 2015". Retrieved July 2, 2016.
  7. ↑ "U.S. Decennial Census". United States Census Bureau. Retrieved July 9, 2014.
  8. ↑ "Historical Census Browser". University of Virginia Library. Retrieved July 9, 2014.
  9. ↑ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved July 9, 2014.
  10. ↑ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Retrieved July 9, 2014.
  11. 1 2 3 "DP-1 Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data". United States Census Bureau. Retrieved July 12, 2015.
  12. ↑ "DP02 SELECTED SOCIAL CHARACTERISTICS IN THE UNITED STATES – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Retrieved July 12, 2015.
  13. ↑ "DP03 SELECTED ECONOMIC CHARACTERISTICS – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Retrieved July 12, 2015.
 Mercer County
Henderson County Knox County
   Warren County, Illinois  
McDonough County Fulton County

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

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