Sumner County, Kansas

Sumner County: County in Kansas, United States

About

Sumner County is a county located in the U.S. state of Kansas. As of the 2010 census, the population was 24,132 and a population density of 8 people per km². After 10 years in 2020 county had an estimated population of 22,578 inhabitants. Its county seat is Wellington. The county was created 151 years ago in 1872.

Sumner County locator map
Location of Sumner County on Kansas map.

Quick Facts about Sumner County

Population : 22,578 (2020)
Country : United States of America
State : Kansas (United States)
Different from : Sumter County, Sumter County, Sumter County, Sumner County, Sumter County
Area : 3069 km2
Water as percent of area : 0.3%
Land as percent of area : 99.7%
Named for : Charles Sumner
Capital : Wellington
Establishment : January 01, 1873
Time Zone : Central Time Zone
Local time : 08:22:25 (24th April 2024)
Density : 7 Pop. per km² as of 2020
Population growth : -6.88% (2010-2020)
Oxford Mill - front image
Oxford Mill - front
Oxford Mill - front image
Oxford Mill - front image

Geography

Sumner County is located at 37°14'14"N 97°28'36"W (37.2372800, -97.4765500). It has 6 neighbors: Butler County, Cowley County, Kingman County, Sedgwick County, Grant County and Kay County.

Sumner County map

Click "full screen" full screen map icon to open full mode. View satellite images

The largest city of Sumner County is Mulvane with a population of 6,566. Other cities include, Conway Springs population 1,214, Oxford population 988, Argonia population 462 and Wellington population 336. See all Sumner County cities & populated places.

Sumner County Populated Places

Cities, towns, neighborhoods & other populated places in Sumner County.

City Name Population Title
Mulvane 6,566 City in Kansas, United States of America
Belle Plaine 1,538 Township in Sumner County, Kansas
Conway Springs 1,214 City in Sumner County, Kansas, United States of America
Oxford 988 City in Sumner County, Kansas, United States
Milton 480 Census-designated place in Sumner County, Kansas
Argonia 462 Human settlement in Sumner County, Kansas, United States of America
South Haven 348 Township in Sumner County, Kansas
Wellington 336 County seat of Sumner County, Kansas, United States
Geuda Springs 176 Human settlement in Kansas, United States of America
Caldwell 145 City in Sumner County, Kansas, United States
Mayfield 104 City in Sumner County, Kansas, United States
Milan 77 City in Kansas, USA
Hunnewell 59 City in Sumner County, Kansas

Sumner County has 6 neighbours.

  • Wellington

Demographics

According to census records, the population of Sumner County decreased by 6.88% in 10 years.

Year Population % Change Method
2010 24,132 - census
2011 23,787 -1.45% estimation process
2012 23,635 -0.64% estimation process
2013 23,537 -0.42% estimation process
2014 23,384 -0.65% estimation process
2015 23,417 0.14% estimation process
2016 23,183 -1.01% estimation process
2017 23,117 -0.29% estimation process
2018 23,019 -0.43% estimation process
2019 22,836 -0.8% estimation process
2020 22,578 -1.14% estimation process

Comitatul Sumner, Comte de Sumner, Comté de Sumner, Condado de Sumner, Condado han Sumner, Contea di Sumner, Hrabstwo Sumner, Okrug Samner, Quan Sumner, Quận Sumner, Samner, Samner srjan, Sumner, Sumner Comitatus, Sumner Kun, Sumner Kūn, Sumner konderria, Sumner megye, Sumneri maakond, Sumnur, mqatʿt swmnr, samanara ka'unti, samuna jun, shhrstan samnr kanzas, suo mu nai xian, Округ Самнер, Самнер, Съмнър, Սամներ շրջան, سمنر کاؤنٹی، کنساس, شهرستان سامنر، کانزاس, مقاطعة سومنر, সামনর কাউন্টি, サムナー郡, 索姆奈縣

People born in Sumner County (1)

(1894-1970) Emerson Dunham, Sr. was born in Sumner County

Other places with the same name (2)

Kansas Other Counties (more counties)

County Name Population Title
Johnson County 607,220 County in Wyoming, United States
Sedgwick County 519,907 County in Kansas, United States
Wichita 391,731 The largest city in Kansas and the center of the Wichita metropolitan area.
Overland Park 197,381 The second most populous city in Johnson County, Kansas.
Shawnee County 175,999 County in Kansas, United States
Wyandotte County 165,265 County in Kansas, United States
Kansas City 152,960 The second most populous city in Kansas.
Douglas County 122,530 County in Kansas, United States
Leavenworth County 82,246 County in Kansas, United States
Riley County 73,202 County in Kansas, United States
Butler County 66,992 County in Kansas, United States of America
Shawnee 66,298 The most populous city in Johnson County, Kansas.
Reno County 61,793 County in Kansas, United States
Lenexa 56,156 The most populous city in Johnson County, Kansas.
Saline County 53,926 County in Kansas, United States
Salina 46,274 The most populous city in Saline County, Kansas.