Cities & Towns in Jefferson County, MO
Jefferson County, county in Missouri, United States. As of 2020 county had an estimated population of 226,543 inhabitants. The county was created 206 years ago in 1818. Its county seat is Hillsboro.
There are 16 city/town in Jefferson County, MO. The largest city of Jefferson County is Arnold with a population of 21,145. Other cities include, Festus population 12,114, De Soto population 6,340, Pevely population 6,001, Barnhart population 5,682
Arnold
Arnold, City in Missouri
Festus
Festus, City in Missouri
De Soto
De Soto, City in Jefferson County, Missouri
Bordered by the Meramec River southwest of St. Louis, Jefferson County provides a mix of historic river towns and growing suburbs. The county seat, Hillsboro, offers antique shops, restaurants, and historic architecture in its quaint downtown district. Hillsboro holds community events like the annual Homecoming Festival and Farmers Market.
Further north, the major suburb of Arnold contains award-winning schools, parks, and local attractions like Simpson Park. Neighboring Imperial provides small town living and access to recreation at Mastodon State Historic Site.
Along the Meramec River lies the city of Kimmswick, a charming 19th century Mississippi River town that hosts festivals and offers shopping in historic buildings. Further south, visitors will find family-friendly recreation and campgrounds around the Byrnes Mill area.
Blending natural splendor along the Meramec with community charm, the cities of Jefferson County encapsulate the appeal of Missouri’s scenic wine country and life outside metro St. Louis. Each town boasts its own unique heritage and allure.
All Jefferson County Cities (Aphebetical)
List of cities, towns, neighborhoods & other populated places in Jefferson County.
| City Name | Title | Population |
|---|---|---|
| Arnold | City in Missouri | 21,145 |
| Barnhart | Census designated place | 5,682 |
| Byrnes Mill | City in Jefferson County, Missouri, United States | 3,015 |
| Cedar Hill Lakes | Village in Jefferson County, Missouri, United States | 227 |
| Crystal City | City in Jefferson County, Missouri, United States | 4,700 |
| De Soto | City in Jefferson County, Missouri | 6,340 |
| Festus | City in Missouri | 12,114 |
| Herculaneum | Roman town | 4,261 |
| High Ridge | Census designated place | 4,305 |
| Hillsboro | City in Missouri, United States | 3,355 |
| Kimmswick | City in Jefferson County, Missouri, United States | 140 |
| Olympian Village | City in Jefferson County, Missouri, United States | 752 |
| Parkdale | Human settlement in Jefferson County, Missouri, United States of America | 162 |
| Pevely | City in Jefferson County, Missouri, United States | 6,001 |
| Riverside | City in Platte County, Missouri, United States | 3,528 |
| Scotsdale | Human settlement in Jefferson County, Missouri, United States of America | 216 |
