Washington County, Illinois facts for kids

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Washington County, Illinois
Seal of Washington County, Illinois
Map

Location in the state of Illinois
Map of the USA highlighting Illinois
Illinois's location in the U.S.
Statistics
Founded January 2, 1818
Seat Nashville
Largest City Nashville
Area
 - Total
 - Land
 - Water

564 sq mi (1,461 km²)
563 sq mi (1,458 km²)
1.3 sq mi (3 km²), 0.2%
Population
 - (2010)
 - Density

14,716
26/sq mi (10/km²)
Time zone Central: UTC-6/-5
Website: www.washingtonco.illinois.gov/
Named for: George Washington
County flag Flag of Washington County, Illinois

Washington County is a county located in the U.S. state of Illinois. According to the 2010 census, it had a population of 14,716. Its county seat is Nashville. It is located in the southern portion of Illinois known locally as "Little Egypt".

History

Washington County was formed on January 2, 1818 out of St. Clair County. It was named for George Washington. Despite its relative proximity to the Illinois suburbs of St. Louis, Missouri, the county is not considered part of the St. Louis metropolitan area, also known as the Metro-East.

Geography

According to the U.S. Census Bureau, the county has a total area of 564 square miles (1,460 km2), of which 563 square miles (1,460 km2) is land and 1.3 square miles (3.4 km2) (0.2%) is water. There are many lakes, rivers, streams, and creeks in this area, including the Kaskaskia River, which is the county's northern border.

Climate and weather

Weather chart for Nashville, Illinois
J F M A M J J A S O N D
 
 
2.2
 
38
22
 
 
2.3
 
44
27
 
 
3.5
 
56
35
 
 
3.9
 
67
45
 
 
4.1
 
76
55
 
 
3.7
 
85
64
 
 
3.7
 
88
68
 
 
2.7
 
87
65
 
 
3.2
 
80
58
 
 
3
 
69
47
 
 
3.8
 
54
37
 
 
3
 
42
26
temperatures in °F
precipitation totals in inches
source: The Weather Channel

In recent years, average temperatures in Nashville have ranged from a low of 22 °F (−6 °C) in January to a high of 88 °F (31 °C) in July, although a record low of −21 °F (−29 °C) was recorded in December 1989 and a record high of 106 °F (41 °C) was recorded in July 1980. Average monthly precipitation ranged from 2.18 inches (55 mm) in January to 4.10 inches (104 mm) in May. On November 17, 2013, an EF4 tornado swept through the area, destroying homes and causing two fatalities.

Major highways

  • I-64.svg Interstate 64
  • US 51.svg U.S. Highway 51
  • Illinois 4.svg Illinois Route 4
  • Illinois 13.svg Illinois Route 13
  • Illinois 15.svg Illinois Route 15
  • Illinois 127.svg Illinois Route 127
  • Illinois 153.svg Illinois Route 153
  • Illinois 177.svg Illinois Route 177
  • Illinois 160.svg Illinois Route 160

Adjacent counties

Demographics

Historical population
Census Pop.
1820 1,517
1830 1,675 10.4%
1840 4,810 187.2%
1850 6,953 44.6%
1860 13,731 97.5%
1870 17,599 28.2%
1880 21,112 20.0%
1890 19,262 −8.8%
1900 19,526 1.4%
1910 18,759 −3.9%
1920 18,035 −3.9%
1930 16,286 −9.7%
1940 15,801 −3.0%
1950 14,460 −8.5%
1960 13,569 −6.2%
1970 13,780 1.6%
1980 15,472 12.3%
1990 14,965 −3.3%
2000 15,148 1.2%
2010 14,716 −2.9%
Est. 2015 14,270 −3.0%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010-2013

As of the 2010 United States Census, there were 14,716 people, 5,926 households, and 4,112 families residing in the county. The population density was 26.2 inhabitants per square mile (10.1/km2). There were 6,534 housing units at an average density of 11.6 per square mile (4.5/km2). The racial makeup of the county was 97.7% white, 0.7% black or African American, 0.3% Asian, 0.1% American Indian, 0.4% from other races, and 0.8% from two or more races. Those of Hispanic or Latino origin made up 1.3% of the population. In terms of ancestry, 53.6% were German, 14.0% were Polish, 13.1% were Irish, 7.7% were English, and 6.1% were American.

Of the 5,926 households, 30.1% had children under the age of 18 living with them, 57.6% were married couples living together, 7.3% had a female householder with no husband present, 30.6% were non-families, and 25.9% of all households were made up of individuals. The average household size was 2.44 and the average family size was 2.93. The median age was 42.3 years.

The median income for a household in the county was $51,440 and the median income for a family was $64,171. Males had a median income of $44,272 versus $30,683 for females. The per capita income for the county was $24,846. About 5.5% of families and 9.1% of the population were below the poverty line, including 13.2% of those under age 18 and 8.9% of those age 65 or over.

Communities

Cities

Villages

Unincorporated communities

Townships

Washington County is divided into these townships:

  • Ashley
  • Beaucoup
  • Bolo
  • Covington
  • DuBois
  • Hoyleton
  • Irvington
  • Johannisburg
  • Lively Grove
  • Nashville
  • Oakdale
  • Okawville
  • Pilot Knob
  • Plum Hill
  • Richview
  • Venedy

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