Cities and Towns in Sumner County, Kansas
Founded in 1867, Sumner County is one of 105 counties in the state of Kansas. Historically, Sumner County was formed from Butler County. The city of Wellington is the county seat. With FIPS code of 191, Sumner County has a population of 22,385 and area of 1,182 square miles (3,061 km²).
List of all cities in Sumner County, KS alphabetically
| City/Town | Postal Code | Area Code |
| Argonia, KS | 67004 | 620 |
| Ashton, KS | 67051 | 620 |
| Belle Plaine, KS | 67013 | 620 |
| Caldwell, KS | 67022 | 620 |
| Conway Springs, KS | 67031 | 620 |
| Corbin, KS | 67022 | 620 |
| Geuda Springs, KS | 67051 | 620 |
| Hunnewell, KS | 67140 | 620 |
| Mayfield, KS | 67103 | 620 |
| Milan, KS | 67105 | 620 |
| Milton, KS | 67106 | 620 |
| Oxford, KS | 67119 | 620 |
| Peck, KS | 67120 | 316 |
| Riverdale, KS | 67152 | 620 |
| Sieboldt, KS | 67119 | 620 |
| South Haven, KS | 67140 | 620 |
| Wellington, KS | 67152 | 620 |
Major Cities and Towns in Sumner County, Kansas
Wellington
Area, Population, Zip Codes, Latitude and Longitude
- Area: 8.19 square miles
- Population: Approximately 7,700 (2023 estimate)
- Zip Code: 67152
- Latitude: 37.2653° N
- Longitude: 97.4006° W
City Location and History
Wellington, the county seat of Sumner County, is located in south-central Kansas, about 30 miles south of Wichita. The city was founded in 1871 and was named after the Duke of Wellington, the famous British general who defeated Napoleon at the Battle of Waterloo. As the railroad expanded westward, Wellington became a key stop along the Atchison, Topeka, and Santa Fe Railway, helping it grow rapidly. Known as the “Wheat Capital of the World,” Wellington’s economy has long been tied to agriculture, particularly wheat farming. Over the years, the city has modernized with new industries, but agriculture remains a significant part of its identity. Its location near major highways, including Interstate 35, makes it an important transportation hub for the region.
Major Schools and Landmarks
Wellington is served by Wellington Unified School District 353, which includes Wellington High School and several elementary and middle schools. The city is home to historic landmarks such as the Sumner County Courthouse, a beautiful example of Classical Revival architecture built in 1929. Another prominent landmark is the Chisholm Trail Museum, which highlights the area’s role in cattle drives during the late 19th century. Wellington also features recreational spots like Wellington Lake and Century Park, offering residents outdoor activities. The Kansas Wheat Festival, held annually, celebrates the city’s rich agricultural history.
Belle Plaine
Area, Population, Zip Codes, Latitude and Longitude
- Area: 0.90 square miles
- Population: Approximately 1,600 (2023 estimate)
- Zip Code: 67013
- Latitude: 37.3931° N
- Longitude: 97.2786° W
City Location and History
Belle Plaine is located in the northeastern part of Sumner County, about 20 miles south of Wichita. The town was established in 1871 and its name, which means “beautiful plain” in French, reflects the area’s expansive prairie landscape. Belle Plaine originally developed as a farming community, with settlers attracted by the rich soil and the opportunity to grow wheat, corn, and other crops. The railroad further spurred growth in the late 1800s, making Belle Plaine a trading hub for local farmers. Over the years, the town has maintained its agricultural roots, though it also benefits from its proximity to larger cities like Wichita, allowing for a mix of rural charm and suburban growth.
Major Schools and Landmarks
Belle Plaine is served by the Belle Plaine Unified School District 357, with Belle Plaine High School being the main educational institution in the area. Notable landmarks in the town include the Bartlett Arboretum, a historic 100-year-old arboretum and garden that draws visitors for its natural beauty. The Belle Plaine Historical Museum showcases artifacts from the town’s past, including its role in early Kansas railroads and agriculture. The town also hosts the annual Tulip Time Festival, a celebration of spring that draws visitors from across the region to admire thousands of blooming tulips and enjoy local festivities.
Conway Springs
Area, Population, Zip Codes, Latitude and Longitude
- Area: 0.93 square miles
- Population: Approximately 1,200 (2023 estimate)
- Zip Code: 67031
- Latitude: 37.3942° N
- Longitude: 97.6448° W
City Location and History
Conway Springs is located in the western part of Sumner County, about 35 miles southwest of Wichita. The town was founded in the early 1880s and named after Conway Township and the natural springs that were discovered nearby. These springs initially attracted settlers, as the fresh water was a rare commodity on the Kansas plains. The arrival of the railroad further boosted the town’s growth, allowing it to become a key agricultural center in the region. Wheat, corn, and livestock have long been the mainstays of Conway Springs’ economy. The town has retained its small-town atmosphere, with a focus on agriculture and community events.
Major Schools and Landmarks
Conway Springs is served by the Conway Springs Unified School District 356, which includes Conway Springs High School. The town is known for its athletic teams, particularly in football, where the high school has achieved significant success. The natural springs that gave the town its name no longer flow, but the town commemorates them with the Conway Springs Heritage Park. Other landmarks include St. Joseph’s Catholic Church, a striking Gothic Revival structure that serves as a spiritual and community hub. The annual Fall Festival is a major event in the town, featuring a parade, local crafts, and various family-friendly activities.
Caldwell
Area, Population, Zip Codes, Latitude and Longitude
- Area: 0.75 square miles
- Population: Approximately 1,000 (2023 estimate)
- Zip Code: 67022
- Latitude: 37.0333° N
- Longitude: 97.6064° W
City Location and History
Caldwell is located in southern Sumner County, just a few miles north of the Oklahoma border. It was established in 1871 as a cattle town at the northern end of the Chisholm Trail. During its early years, Caldwell was a rough-and-tumble frontier town, known for its saloons and outlaws, earning it the nickname “The Border Queen.” Cattle drives from Texas ended in Caldwell, making it a major center for the cattle trade. With the decline of the cattle drives in the late 19th century, Caldwell shifted its focus to farming and became a quieter, more settled community. Today, Caldwell retains its rich historical legacy while also embracing modern agriculture.
Major Schools and Landmarks
Caldwell is part of Caldwell Unified School District 360, with Caldwell High School serving the local students. The town celebrates its Old West heritage with several landmarks, including the Caldwell Historical Museum, which showcases artifacts from the days of the Chisholm Trail. The Border Queen Saloon and Opera House, a restored building from the 19th century, serves as a reminder of the town’s lively past. The town also features the annual Chisholm Trail Festival, which draws visitors from around the region to celebrate its cowboy history with reenactments, parades, and rodeos.
Oxford
Area, Population, Zip Codes, Latitude and Longitude
- Area: 0.71 square miles
- Population: Approximately 1,000 (2023 estimate)
- Zip Code: 67119
- Latitude: 37.2781° N
- Longitude: 97.1698° W
City Location and History
Oxford is situated in the northeastern part of Sumner County, along the banks of the Arkansas River. Founded in 1871, the town was named after Oxford University in England, reflecting the ambitions of its early settlers. The town developed primarily as an agricultural community, with rich farmland surrounding it, supported by the Arkansas River for irrigation. Oxford thrived in the late 19th and early 20th centuries as a center for wheat farming and milling. The town’s location along the river also made it a popular site for early settlers. While its population has remained small, Oxford continues to be an important part of the county’s agricultural economy.
Major Schools and Landmarks
Oxford is served by Oxford Unified School District 358, with Oxford Junior-Senior High School as its main educational institution. The town’s historical landmarks include the Old Oxford Mill, built in 1874, which was once a key wheat processing facility. The mill is now a historic site and event venue, drawing visitors interested in the town’s milling history. Oxford also features the nearby Oxford Lake, a popular spot for fishing, boating, and outdoor recreation. The town holds the annual Oxford Roundup, which includes rodeos, parades, and local celebrations, highlighting the town’s agricultural roots and community spirit.