Warren County
Warren County Courthouse in Monmouth
Warren County Courthouse in Monmouth
Map of Illinois highlighting Warren County
Location within the U.S. state of Illinois
Map of the United States highlighting Illinois
Illinois's location within the U.S.
Coordinates: 40°51′N 90°37′W / 40.85°N 90.61°W / 40.85; -90.61
Country United States
State Illinois
Founded1825
Named forJoseph Warren
SeatMonmouth
Largest cityMonmouth
Area
 • Total543 sq mi (1,410 km2)
 • Land542 sq mi (1,400 km2)
 • Water0.6 sq mi (2 km2)  0.1%
Population
 (2010)
 • Total17,707
 • Estimate 
(2018)
17,032
 • Density33/sq mi (13/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district17th
Websitewww.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)
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

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%
2018 (est.)17,032[6]−3.8%
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]

Politics

Warren County is located in Illinois's 17th Congressional District and is currently represented by Democrat Cheri Bustos. For the Illinois House of Representatives, the county is split between the 93rd district, currently represented by Republican Norine Hammond, and the 94th district, currently represented by Randy Frese. The county is located in the 47th district of the Illinois Senate, and is currently represented by Republican Jil Tracy.

In presidential elections, Warren County voted for the Republican Party's candidate in every election from 1936 through 1988, often by a wide margin. From 1992 to 2012, the contest in Warren County was more competitive, with the Democratic Party's candidate winning four out of six times.

United States presidential election results for Warren County, Illinois[14]
Year Republican Democratic Third party
No.  % No.  % No.  %
2020 4,676 59.01% 3,090 39.00% 158 1.99%
2016 4,275 54.76% 2,987 38.26% 545 6.98%
2012 3,618 46.28% 4,044 51.73% 156 2.00%
2008 3,637 45.12% 4,286 53.17% 138 1.71%
2004 4,474 52.90% 3,938 46.56% 45 0.53%
2000 3,899 51.09% 3,524 46.18% 208 2.73%
1996 2,974 41.02% 3,500 48.28% 776 10.70%
1992 3,325 39.37% 3,661 43.35% 1,460 17.29%
1988 4,584 55.54% 3,617 43.82% 53 0.64%
1984 5,846 63.59% 3,318 36.09% 29 0.32%
1980 5,667 62.47% 2,756 30.38% 648 7.14%
1976 5,822 59.25% 3,808 38.75% 196 1.99%
1972 7,021 70.15% 2,969 29.67% 18 0.18%
1968 5,877 60.00% 3,085 31.50% 833 8.50%
1964 5,258 52.95% 4,670 47.02% 3 0.03%
1960 7,221 65.25% 3,835 34.66% 10 0.09%
1956 7,580 71.63% 2,996 28.31% 6 0.06%
1952 8,020 72.88% 2,973 27.02% 11 0.10%
1948 6,738 66.20% 3,367 33.08% 74 0.73%
1944 7,085 64.12% 3,926 35.53% 39 0.35%
1940 7,790 61.17% 4,878 38.30% 67 0.53%
1936 6,919 55.51% 5,409 43.39% 137 1.10%
1932 5,498 48.84% 5,610 49.83% 150 1.33%
1928 7,915 73.61% 2,681 24.93% 157 1.46%
1924 6,912 65.07% 2,440 22.97% 1,271 11.96%
1920 6,309 69.41% 2,236 24.60% 545 6.00%
1916 6,294 56.44% 4,498 40.33% 360 3.23%
1912 2,627 44.03% 2,080 34.86% 1,259 21.10%
1908 3,283 54.12% 2,327 38.36% 456 7.52%
1904 3,563 61.35% 1,559 26.84% 686 11.81%
1900 3,618 56.97% 2,501 39.38% 232 3.65%
1896 3,394 55.24% 2,604 42.38% 146 2.38%
1892 2,725 50.69% 2,294 42.67% 357 6.64%


Transportation

Airport

Major highways

Law enforcement

State

County

In a scene in the 2018 film "Halloween", the local sheriff drives a car that says Warren County Sheriff's Department. Confirming that the fictional town of Haddonfield is located in Warren 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. ^ a b "State & County QuickFacts". United States Census Bureau. Archived from the original on July 22, 2011. Retrieved July 9, 2014.
  2. ^ "Find a County". National Association of Counties. Retrieved June 7, 2011.
  3. ^ White, Jesse. Origin and Evolution of Illinois Counties. State of Illinois, March 2010.
  4. ^ a b "Population, Housing Units, Area, and Density: 2010 - County". United States Census Bureau. Archived from the original on February 12, 2020. Retrieved July 12, 2015.
  5. ^ a b "Monthly Averages for Monmouth, Illinois". The Weather Channel. Retrieved January 27, 2011.
  6. ^ "Population and Housing Unit Estimates". Retrieved November 2, 2019.
  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. ^ a b c "DP-1 Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data". United States Census Bureau. Archived from the original on February 13, 2020. 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. Archived from the original on February 13, 2020. Retrieved July 12, 2015.
  13. ^ "DP03 SELECTED ECONOMIC CHARACTERISTICS – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Archived from the original on February 13, 2020. Retrieved July 12, 2015.
  14. ^ Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections". uselectionatlas.org. Retrieved November 13, 2018.

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