Washington County, Illinois
Washington County: County in Illinois, United States
About
Washington County is a county located in the U.S. state of Illinois. As of the 2010 census, the population was 14,716 and a population density of 10 people per km². After 10 years in 2020 county had an estimated population of 13,764 inhabitants. Its county seat is Nashville. The county was created 206 years ago in 1817.
Quick Facts about Washington County
| Population : | 13,764 (2020) |
| Country : | United States of America |
| State : | Illinois (United States) |
| Different from : | Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington Parish, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County |
| Area : | 1461 km2 |
| Water as percent of area : | 0.2% |
| Land as percent of area : | 99.8% |
| Named for : | George Washington |
| Capital : | Nashville |
| Establishment : | January 01, 1818 |
| Time Zone : | America/Chicago |
| Local time : | 11:30:28 (3rd December 2024) |
| Density : | 9 Pop. per km² as of 2020 |
| Population growth : | -6.92% (2010-2020) |
Geography
Washington County is located at 38°21'8"N 89°24'38"W (38.3521700, -89.4104500). It has 6 neighbors: Clinton County, Jefferson County, Marion County, Perry County, Randolph County and Saint Clair County.
Washington County map
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The largest city of Washington County is Nashville with a population of 2,984. Other cities include, Okawville population 1,349, Lively Grove population 654, Ashley population 484 and Addieville population 236. See all Washington County cities & populated places.
Washington County Populated Places (more)
Cities, towns, neighborhoods & other populated places in Washington County.
| City Name | Population | Title |
|---|---|---|
| Posen | 5,794 | Village in United States of America |
| Nashville | 2,984 | City in Illinois, United States |
| Okawville | 1,349 | Human settlement in United States of America |
| Lively Grove | 654 | Unincorporated community in Illinois |
| Irvington | 609 | Township in Washington County, Illinois |
| Beaucoup | 528 | Township in Washington County, Illinois |
| Plum Hill | 507 | Township in Washington County, Illinois |
| Ashley | 484 | City in Illinois |
| Johannisburg | 478 | Township in Washington County, Illinois |
| Hoyleton | 456 | Township in Washington County, Illinois |
| Covington | 389 | Township in Washington County, Illinois |
| Richview | 236 | Township in Washington County, Illinois |
| Addieville | 236 | Human settlement in United States of America |
| Radom | 209 | Human settlement in Illinois, United States of America |
| New Minden | 204 | Human settlement in Illinois, United States of America |
| Oakdale | 201 | City in Washington County, Minnesota |
- Official Website
Official website of Washington County
Washington County has 6 neighbours.
- Clinton County county in Illinois, United States
- Jefferson County county in Illinois, United States
- Marion County county in Illinois, United States
- Perry County county in Illinois, United States
- Randolph County county in Illinois, United States
- Saint Clair County The County of St. Clair is the oldest county in the U. S. Illinois state; the Mississippi River, bordering the U, forms its western boundary. S. Missouri State. In southern Illinois, it is part of the Metro East. It had a population of 270,056 according to the 2010 United States Census, making it the eighth-most populous county in Illinois and the most populous in the state's southern part. Its seat in the county is Belleville.
Demographics
According to census records, the population of Washington County decreased by 6.92% in 10 years.
| Year | Population | % Change | Method |
| 2010 | 14,716 | - | census |
| 2011 | 14,576 | -0.96% | estimation process |
| 2012 | 14,599 | 0.16% | estimation process |
| 2013 | 14,414 | -1.28% | estimation process |
| 2014 | 14,392 | -0.15% | estimation process |
| 2015 | 14,262 | -0.91% | estimation process |
| 2016 | 14,179 | -0.59% | estimation process |
| 2017 | 13,963 | -1.55% | estimation process |
| 2018 | 13,999 | 0.26% | estimation process |
| 2019 | 13,887 | -0.81% | estimation process |
| 2020 | 13,764 | -0.89% | estimation process |
Comitatul Washington, Comte de Washington, Comté de Washington, Condado de Washington, Condado han Washington, Contea di Washington, Hrabstwo Washington, Okrug Vashington, Quan Washington, Quận Washington, Vashington, Vasington srjan, Washington, Washington Comitatus, Washington Kun, Washington Kūn, Washington konderria, Washington megye, Washingtoni maakond, hua sheng dun xian, mqatʿt washnghtwn, raasintana ka'unti, shhrstan washyngtn aylynwy, washinton jun, Вашингтон, Округ Вашингтон, Վաշինգտոն շրջան, شهرستان واشینگتن، ایلینوی, مقاطعة واشنغطون, واشنگٹن کاؤنٹی، الینوائے, واشنگٹن کاؤنٹی، الینوۓ, ৱাশিংটন কাউন্টি, ワシントン郡, 華盛頓縣
People born in Washington County (2)
People born in Washington County, including judge: justice on the Illinois Supreme Court Lloyd A. Karmeier, Illinois politician Charles Meier, .
List
Other places with the same name (30)
- Washington County , Oregon county in Oregon, United States with a population of 603,514 people.
- Washington County , Minnesota county in Minnesota, United States with a population of 265,476 people.
- Washington County , Arkansas county in Arkansas, United States with a population of 243,216 people.
- Washington County , Pennsylvania county in Pennsylvania, United States with a population of 206,803 people.
- Washington County , Utah county in southwestern Utah, United States with a population of 184,913 people.
- Washington County , Maryland county in Maryland, United States with a population of 151,146 people.
- Washington County , Wisconsin county in Wisconsin, United States with a population of 136,445 people.
- Washington County , Tennessee county in Tennessee, United States with a population of 130,367 people.
- Washington County , Rhode Island county in Rhode Island, United States with a population of 125,746 people.
- Washington County , New York county in New York, United States with a population of 60,606 people.
- Washington County , Ohio county in Ohio, United States with a population of 59,652 people.
- Washington County , Vermont county in Vermont, United States with a population of 58,328 people.
- Washington County , Virginia county in Virginia, United States with a population of 53,695 people.
- Washington County , Oklahoma county in Oklahoma, United States with a population of 52,222 people.
- Washington County , Mississippi county in Mississippi, United States with a population of 42,837 people.
- Washington County , Texas county in Texas, United States with a population of 35,771 people.
- Washington County , Maine county in Maine, United States with a population of 31,473 people.
- Washington County , Indiana county in Indiana, United States with a population of 28,213 people.
- Washington County , Florida county in Florida, United States with a population of 25,932 people.
- Washington County , Missouri county in Missouri, United States with a population of 24,604 people.
- Washington County , Iowa county in Iowa, United States with a population of 21,992 people.
- Washington County , Nebraska county in Nebraska, United States with a population of 20,901 people.
- Washington County , Georgia county in Georgia, United States with a population of 20,150 people.
- Washington County , Alabama county in Alabama, United States with a population of 15,976 people.
- Washington County , Kentucky county in Kentucky, United States with a population of 12,147 people.
- Washington County , North Carolina county in North Carolina, United States with a population of 11,485 people.
- Washington County , Idaho county in Idaho, United States with a population of 10,194 people.
- Washington County , Kansas county in Kansas, United States with a population of 5,427 people.
- Washington County , Colorado county in Colorado, United States with a population of 4,875 people.
Illinois Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| Cook County | 5,108,284 | County in Illinois, United States |
| Chicago | 2,677,643 | The third most populous city in the United States and the center of the Chicago metropolitan area. |
| DuPage County | 917,481 | County in Illinois, United States |
| Lake County | 693,593 | County in Oregon, United States |
| Will County | 688,726 | County in Illinois, United States |
| Kane County | 531,010 | County in southern Utah, United States |
| McHenry County | 305,888 | County in Illinois, United States |
| Winnebago County | 281,295 | County in Illinois, United States |
| Madison County | 262,635 | County in Montana, United States |
| Saint Clair County | 258,046 | The County of St. |
| Champaign County | 209,192 | County in Illinois, United States |
| Aurora | 196,383 | The second most populous city in Illinois. |
| Sangamon County | 193,882 | County in Illinois, United States |
| Peoria County | 177,652 | County in Illinois, United States of America |
| McLean County | 171,256 | County in North Dakota, United States |
| Naperville | 147,986 | The second most populous city in Illinois. |
