Map of Jefferson County - Jefferson County is a county located in the U.S. state of Illinois. Jefferson County Map showing cities, highways, important places and water bodies. Get Where is Jefferson County located in the map, major cities in Jefferson county, population, areas, and places of interest.
Jefferson County Map, Illinois
About Jefferson County Map, Illinois: The map showing the county boundary, county seat, major cities, highways, water bodies and neighbouring counties.
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Jefferson County, Illinois
Jefferson County is a county located in the U.S. state of Illinois. It's county seat is Mount Vernon. As per 2020 census, the population of Jefferson County is 36877 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 571 sq mi (1,479 km2). Jefferson County was established on 1819.
Jefferson County Facts
| County Info | Facts |
|---|---|
| County | Jefferson County |
| County Seat | Mount Vernon |
| State | Illinois |
| Country | United States |
| FIPS code | 81 |
| Established | 1819 |
| Area | 571 sq mi (1,479 km2) |
| Population | 36877 |
| Density | |
| Formed / Origin | Edwards and White County |
Ctities in Jefferson county
| City Name | Type | Population (2020) | Pop. Density | Area |
|---|---|---|---|---|
| Belle Rive | Village | 309 | 301.2/sq mi (116.3/km2) | 1.026 sq mi (2.66 km2) |
| Bluford | Village | 630 | 403.6/sq mi (155.8/km2) | 1.561 sq mi (4.04 km2) |
| Bonnie | Village | 374 | 293.3/sq mi (113.3/km2) | 1.275 sq mi (3.3 km2) |
| Dix | Village | 469 | 226.1/sq mi (87.3/km2) | 2.074 sq mi (5.37 km2) |
| Ina | Village | 1,641 | 682.3/sq mi (263.4/km2) | 2.405 sq mi (6.23 km2) |
| Mount Vernon | City | 14,600 | 1,001.2/sq mi (386.6/km2) | 14.583 sq mi (37.77 km2) |
| Nason | City | 199 | 218.4/sq mi (84.3/km2) | 0.911 sq mi (2.36 km2) |
| Waltonville | Village | 408 | 329.0/sq mi (127.0/km2) | 1.24 sq mi (3.21 km2) |
| Woodlawn | Village | 617 | 724.2/sq mi (279.6/km2) | 0.852 sq mi (2.21 km2) |
| Centralia | City | 12,182 | 1,485.6/sq mi (573.6/km2) | 8.2 sq mi (21.24 km2) |
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