Map of Jefferson County, Kansas - Where is Located, Cities & Towns

Written and Fact-checked by | Last Updated: May 05, 2026 | 06:30 ET

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

Map of Jefferson County, Kansas

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

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Map of Jefferson County, Kansas

Jefferson County is a county located in the U.S. state of Kansas. It's county seat is Oskaloosa. As per 2020 census, the population of Jefferson County is 18411 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 536 sq mi (1,388 km2). Jefferson County was established on 1855.

Jefferson County Facts

ContinentNorth America
CountryUnited States
StateKansas
County SeatOskaloosa
Largest City/TownValley Falls
Established1855
Total Area556 sq mi (1,440 sq km)
Land Area533 sq mi (1,380 sq km)
Water Area23 sq mi (60 sq km)
Population18,368 (Census 2020)
Population Density34 people per sq mi
Time ZoneCentral Time Zone (CT)
Major HighwaysUS-24, US-59, K-4, K-16, K-92
Major RiversKansas River (Kaw River), Delaware River
Neighboring CountiesAtchison County, Leavenworth County, Wyandotte County, Douglas County, Shawnee County, Jackson County
Famous ForPerry Lake, outdoor recreation, historic communities
Top AttractionsPerry Lake, Perry State Park, Jefferson County Historical Society Museum, Rock Creek Lake
Official WebsiteOfficial Website

About Jefferson County, Kansas

Jefferson County is located in the northeastern part of Kansas, in the United States, and was established in 1855. The county seat is Oskaloosa, while Valley Falls is the largest city. The county lies along the Kansas River and is known for its scenic landscapes, outdoor recreation areas such as Perry Lake, and its proximity to the Topeka and Kansas City regions.

Cities and Towns in Jefferson County, Kansas

City/TownPopulation (Census 2020)Latitude & Longitude
Valley Falls1,100+39.3500°N, 95.4600°W
Oskaloosa (county seat)1,100+39.2100°N, 95.3100°W
McLouth850+39.2000°N, 95.2100°W
Ozawkie650+39.1900°N, 95.4300°W
Perry850+39.0800°N, 95.3800°W
Meriden800+39.2000°N, 95.5700°W
Winchester500+39.3300°N, 95.2600°W

Golf Courses in Jefferson County, Kansas

Golf CourseLocationLatitude & Longitude
Lake Shawnee Golf Course (nearby region)Near county border39.0800°N, 95.3800°W
Local small courses and recreation areasVarious

Roads and Highways in Jefferson County, Kansas

Jefferson County is connected by major highways serving northeastern Kansas.

  • US-24 – major east–west route through the county
  • US-59 – north–south highway connecting regional areas
  • K-4 – key route linking Topeka and surrounding communities
  • K-16 – east–west route across northern Kansas
  • K-92 – regional highway serving local areas

Neighboring Counties of Jefferson County

  • Atchison County (north)
  • Leavenworth County (northeast)
  • Wyandotte County (east)
  • Douglas County (south)
  • Shawnee County (southwest)
  • Jackson County (west)

Top Attractions in Jefferson County, Kansas

The county offers lakes, parks, and outdoor recreation opportunities.

  • Perry Lake – boating, fishing, camping, and hiking
  • Perry State Park – outdoor recreation and scenic views
  • Rock Creek Lake – fishing and nature activities
  • Jefferson County Historical Society Museum – local history exhibits
  • Kansas River – outdoor recreation
  • Local parks and trails – community activities

Distance from Jefferson County to Nearby Cities

  • Oskaloosa to Topeka – 20 mi (32 km)
  • Oskaloosa to Lawrence – 25 mi (40 km)
  • Oskaloosa to Kansas City – 60 mi (97 km)
  • Oskaloosa to Manhattan – 90 mi (145 km)
  • Oskaloosa to Wichita – 160 mi (257 km)

FAQs about Jefferson County

Where is Jefferson County located?

Jefferson County is located in northeastern Kansas along the Kansas River.

What is the population of Jefferson County?

The population of Jefferson County is 18,368 according to the 2020 Census.

What is Jefferson County known for?

Jefferson County is known for Perry Lake, outdoor recreation, and historic communities.

What are the major highways in Jefferson County?

Major highways include US-24, US-59, K-4, K-16, and K-92.

Are there golf courses in Jefferson County?

Yes, Jefferson County has nearby and local golf courses and recreation areas.