Jefferson County Map, Missouria - Where is Located, Cities & Population

Map of Jefferson County - Jefferson County is a county located in the U.S. state of Missouri. 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.

Map of Jefferson County, Missouri

Map of Jefferson County, Missouri

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

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Jefferson County, Missouri

Jefferson County is a county located in the U.S. state of Missouri. It's county seat is Hillsboro. As per 2020 census, the population of Jefferson County is 227771 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 657 sq mi (1,702 km2). Jefferson County was established on 1818.

Jefferson County Facts

County InfoFacts
CountyJefferson County
County SeatHillsboro
CountryUnited States
FIPS code99
Area657 sq mi (1,702 km2)
Formed / OriginSt. Louis and Sainte Genevieve counties

Ctities in Jefferson county

City NameTypePopulation (2020)
Arnold 21,091
Festus 12,036
Byrnes MillCity2,781
Cedar Hill LakesVillage237
Crystal CityCity4,855
De SotoCity6,400
Olympian VillageCity774
Peaceful VillageVillage9