Union County Map, Illinois

Map of Union County - Union County is a county located in the U.S. state of Illinois. Union County Map showing cities, highways, important places and water bodies. Get Where is Union County located in the map, major cities in Union county, population, areas, and places of interest.

Union County Map, Illinois

Union County Map, Illinois

About Union County Map, Illinois: The map showing the county boundary, county seat, major cities, highways, water bodies and neighbouring counties.

Most Viewed Links

Illinois MapIllinois County MapIllinois Cities Map
Illinois Zip codesAirports in IllinoisWhere is Springfield
Illinois Area CodesIllinois Blank MapIllinois River Map
Illinois Physical MapIllinois Road MapWhere is Chicago

Union County, Illinois

Union County is a county located in the U.S. state of Illinois. It's county seat is Jonesboro. As per 2020 census, the population of Union County is 16923 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 413 sq mi (1,070 km2). Union County was established on 1818.

Union County Facts

County InfoFacts
CountyUnion County
County SeatJonesboro
StateIllinois
CountryUnited States
FIPS code181
Established1818
Area413 sq mi (1,070 km2)
Population16923
Density
Formed / OriginJohnson County

Ctities in Union county

City NameTypePopulation (2020)Pop. DensityArea
Alto PassVillage319149.5/sq mi (57.7/km2)2.134 sq mi (5.53 km2)
AnnaCity4,3031,209.4/sq mi (466.9/km2)3.558 sq mi (9.22 km2)
CobdenVillage1,074881.1/sq mi (340.2/km2)1.219 sq mi (3.16 km2)
DongolaVillage661607.5/sq mi (234.6/km2)1.088 sq mi (2.82 km2)
JonesboroCity1,711633.7/sq mi (244.7/km2)2.7 sq mi (6.99 km2)
Mill CreekVillage59156.9/sq mi (60.6/km2)0.376 sq mi (0.97 km2)