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

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

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

Map of Sumner County, Kansas

Map of Sumner County, Kansas

About Sumner 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 Sumner County, Kansas

Sumner County is a county located in the U.S. state of Kansas. It's county seat is Wellington. As per 2020 census, the population of Sumner County is 22385 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 1,182 sq mi (3,061 km2). Sumner County was established on 1867.

Sumner County Facts

ContinentNorth America
CountryUnited States
StateKansas
County SeatWellington
Largest City/TownWellington
Established1867
Total Area1,185 sq mi (3,069 sq km)
Land Area1,182 sq mi (3,061 sq km)
Water Area3 sq mi (8 sq km)
Population22,382 (Census 2020)
Population Density19 people per sq mi
Time ZoneCentral Time Zone (CT)
Major HighwaysI-35, US-160, US-81, K-49, K-55
Major RiversArkansas River, Chikaskia River
Neighboring CountiesSedgwick County, KS; Cowley County, KS; Harper County, KS; Kingman County, KS; Butler County, KS; Kay County, OK
Famous ForAgriculture, aviation history, Wellington community events
Top AttractionsChisholm Trail Museum, Wellington Lake, Slate Creek, Sumner County Historical Museum
Official WebsiteOfficial Website

About Sumner County, Kansas

Sumner County is located in the south-central part of Kansas, in the state of the United States, and was established in 1867. The county seat is Wellington, which is also the largest city. The county lies along the Arkansas River and near the Oklahoma border, and is known for its agricultural economy, historical significance along the Chisholm Trail, and small-town communities.

Cities and Towns in Sumner County, Kansas

City/TownPopulation (Census 2020)Latitude & Longitude
Wellington (county seat)7,71537.2653°N, 97.3717°W
Mulvane (partly)6,28637.4761°N, 97.2439°W
Conway Springs1,08637.3917°N, 97.6431°W
Caldwell1,00537.0336°N, 97.6064°W
Argonia50137.2672°N, 97.7661°W
Oxford1,04837.2747°N, 97.1686°W
Belle Plaine1,68137.3936°N, 97.2797°W

Golf Courses in Sumner County, Kansas

Golf CourseLocationLatitude & Longitude
Wellington Golf ClubWellington37.2675°N, 97.3735°W
Belle Plaine Golf CourseBelle Plaine37.3955°N, 97.2815°W
Conway Springs Golf CourseConway Springs37.3935°N, 97.6455°W

Roads and Highways in Sumner County, Kansas

The county is well connected by major highways and interstates.

  • Interstate 35 (I-35) – major north-south corridor connecting Wellington to Wichita and Oklahoma City
  • US-160 – east-west route across southern Kansas
  • US-81 – north-south highway linking the county to Nebraska and Oklahoma
  • K-49 and K-55 – provide regional connectivity within the county

Neighboring Counties of Sumner County

  • Sedgwick County, Kansas (north)
  • Butler County, Kansas (northeast)
  • Cowley County, Kansas (east)
  • Kay County, Oklahoma (south)
  • Harper County, Kansas (west)
  • Kingman County, Kansas (northwest)

Top Attractions in Sumner County, Kansas

The county offers historical sites and outdoor recreation.

  • Chisholm Trail Museum – museum highlighting cattle trail history
  • Wellington Lake – popular spot for fishing and outdoor activities
  • Slate Creek – scenic natural area for recreation
  • Sumner County Historical Museum – exhibits on local heritage
  • Wellington Downtown – shops, dining, and events
  • Argonia Historic Sites – small-town history and landmarks
  • Local Festivals and Community Events – annual celebrations

Distance from Sumner County to Nearby Cities

  • Wellington to Wichita – 35 mi (56 km)
  • Wellington to Oklahoma City – 140 mi (225 km)
  • Wellington to Salina – 120 mi (193 km)
  • Wellington to Kansas City – 200 mi (322 km)
  • Wellington to Tulsa – 130 mi (209 km)

FAQs about Sumner County

Where is Sumner County located?

Sumner County is located in south-central Kansas near the Oklahoma border in the United States.

What is the population of Sumner County?

The population of Sumner County was 22,382 according to the 2020 Census.

What is Sumner County known for?

The county is known for agriculture, its connection to the Chisholm Trail, and community events in Wellington.

What are the major highways in Sumner County?

Major highways include I-35, US-160, US-81, K-49, and K-55.

Are there golf courses in Sumner County?

Yes, Sumner County has golf courses such as Wellington Golf Club, Belle Plaine Golf Course, and Conway Springs Golf Course.