• county
  • FIPS 20191
  • Largest town: Wellington

Sumner County, Kansas

Sumner County had 22,336 residents in the Census Vintage 2024 estimate, on 1,181.7 square miles of land. It ranks 25th of 105 in Kansas by population and 4th by land area.

Population
22,336
#25 of 105 in Kansas · #1,706 in US
Area
1,181.7 sq mi
#4 of 105 in Kansas · #518 in US
Density
19 / sq mi
#37 of 105 in Kansas · #2,282 in US
Median household income
$63,049
#50 of 105 in Kansas · #1,559 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Sumner County within Kansas. Pin: Topeka.

Measure from here

Tools and pages that start from Sumner County

Sumner County population, land area and income

Sumner County had 22,336 residents in the Census Vintage 2024 estimate, on 1,181.7 square miles of land. It ranks 25th of 105 in Kansas by population and 4th by land area. That works out to 18.9 people per square mile, below the US average of 96.3, and below the national county median.

The median county-equivalent in Kansas has 6,946 residents, so Sumner County is 3.2 times that size.

Its SAIPE 2023 median household income of $63,049 is above the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

22,336

3144th1st

1706th of 3,144 (US)

Land area

1,182 sq mi

3144th1st

518th of 3,144 (US)

Density

18.9 / sq mi

3144th1st

2282nd of 3,144 (US)

Median household income

$63,049

3143rd1st

1559th of 3,143 (US)

Rank within Kansas (105)

Population

22,336

105th1st

25th of 105 (KS)

Land area

1,182 sq mi

105th1st

4th of 105 (KS)

Density

18.9 / sq mi

105th1st

37th of 105 (KS)

Median household income

$63,049

105th1st

50th of 105 (KS)

How Sumner County's population changed since 2020

Sumner County gained 13 residents between the July 2020 and July 2024 estimates, a rise of 0.1%. That ranks 29th of 105 in Kansas for growth. The median Kansas county changed by -1.0%, and the state as a whole by +1.1%.

Since the April 2020 estimates base, Sumner County recorded 1,054 births and 1,379 deaths, a natural change of -325. Net international migration added +6 and net domestic migration, people moving to or from other US counties, came to +288. The largest single component was natural change, which removed 325 people.

22.3k202022.3k202122.4k202222.4k202322.3k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
1,054
Deaths
1,379
Net international migration
+6
Net domestic migration
+288
Change, July 2023 to July 2024
-57

Where Sumner County is

The Census internal point of Sumner County is at 37.236700, -97.493400. It sits in UTM zone 14N. The map shades Kansas's 105 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Sumner County outlined. Dots are towns of 1,000+ people with residents in it.

Harper County: -1.0%Phillips County: -4.6%Seward County: -2.7%Grant County: -3.1%Pawnee County: -3.8%Haskell County: -4.5%Ness County: -2.3%Logan County: -1.8%Wichita County: -3.6%Greenwood County: -1.7%Stanton County: -0.7%Edwards County: -5.3%Gray County: +1.6%Franklin County: +1.0%Saline County: -1.5%Allen County: -0.9%Lyon County: +1.3%Cloud County: -3.3%Brown County: -3.6%Rice County: -1.1%Lincoln County: -0.6%Osborne County: -4.0%Rooks County: -2.8%Russell County: -0.8%Jefferson County: +0.0%Jewell County: -1.0%Lane County: -5.6%Sheridan County: -1.9%Gove County: -2.1%Trego County: -1.1%Montgomery County: -3.0%Sumner County: +0.1%Graham County: -1.5%Marion County: -1.0%Washington County: +0.8%Stevens County: -4.0%Kiowa County: -0.7%Mitchell County: +0.4%Cheyenne County: +1.3%Ellis County: +0.2%Rush County: -4.6%Scott County: -4.3%Comanche County: +0.7%Wallace County: -2.6%Nemaha County: -2.0%Linn County: +2.6%Ford County: -0.4%Dickinson County: +1.4%Ellsworth County: -0.9%Labette County: -2.3%Cowley County: -1.0%Neosho County: -2.2%Wilson County: -2.2%Thomas County: -1.7%Greeley County: -9.6%Osage County: -0.0%Finney County: +0.1%Kearny County: -3.8%Kingman County: -6.4%Republic County: -1.3%Ottawa County: +2.1%Smith County: -0.5%Crawford County: -0.1%Elk County: -1.5%Miami County: +4.4%Hodgeman County: -3.7%Morris County: -1.7%Morton County: -8.1%Harvey County: -1.0%Meade County: -4.2%Sedgwick County: +2.1%Geary County: -3.6%Woodson County: +0.4%Bourbon County: +0.6%Chase County: -2.6%Pratt County: -0.0%Reno County: -0.8%Chautauqua County: -1.2%Norton County: -2.1%Marshall County: -0.7%Doniphan County: +1.4%Cherokee County: -0.9%Barton County: -2.3%Riley County: +0.8%Butler County: +2.6%Stafford County: -3.7%Anderson County: +0.9%Sherman County: -1.8%Rawlins County: -5.5%Pottawatomie County: +5.7%McPherson County: +0.5%Coffey County: -0.7%Hamilton County: +0.0%Atchison County: -0.5%Shawnee County: -0.4%Leavenworth County: +3.3%Jackson County: +2.2%Clark County: -5.3%Douglas County: +2.7%Clay County: -1.9%Barber County: -3.2%Johnson County: +3.5%Wabaunsee County: +3.2%Decatur County: -1.1%Wyandotte County: +0.3%
Change 2020 to 2024
  1. < -3.6%
  2. < -1.7%
  3. < -0.7%
  4. < +0.6%
  5. ≥ +0.6%
no data

Orange pin: Sumner County internal point. Dark pin: Topeka.

Internal point

Decimal
37.236700, -97.493400
DMS
37°14'12.12"N 97°29'36.24"W
UTM
14N 633638.8E 4122194.1N
Geohash
9ydev6xrr
Plus code
86946GP4+MJ

Towns in Sumner County

6 incorporated places of 1,000+ people have residents in Sumner County, 13,202 people together, or 59% of the county. Each figure counts only the part of the town inside Sumner County; towns marked "part" extend into another county. The largest is Wellington with 7,561.

  1. 01Wellington7,561
  2. 02Belle Plaine1,445
  3. 03Conway Springs1,135
  4. 04Oxford1,036
  5. 05Mulvane (part)1,025
  6. 06Caldwell1,000
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Sumner County

The Census 2024 county adjacency file lists 7 neighbors for Sumner County, including 2 across a state line. The most populous is Sedgwick County, KS, with 536,081 residents. Distances run between Census internal points in a straight line.

Distance to Topeka and the nearest big city

Topeka is 159.3 miles NE of Sumner County's internal point in a straight line. The nearest place of 100,000 or more is Wichita, KS (population 400,991), 32.4 miles away. The nearest place of 10,000 or more is Haysville, KS (population 11,406), 24.0 miles away.

Sumner County FIPS code

The FIPS code of Sumner County is 20191: state code 20 for Kansas plus county code 191. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $63,049.

Questions people ask

What is the population of Sumner County, Kansas?

The Census Vintage 2024 estimate for July 1, 2024 is 22,336. That is up 13 people (0.1%) from the July 2020 estimate of 22,323.

What is the FIPS code of Sumner County?

20191. The first two digits (20) are Kansas; the last three (191) identify the county.

What is the largest town in Sumner County?

Wellington, with 7,561 residents inside Sumner County in 2024.

Which counties border Sumner County?

7 county-equivalents border it in the Census 2024 adjacency file: Sedgwick County, KS; Butler County, KS; Kay County, OK; Cowley County, KS; Kingman County, KS; Harper County, KS; Grant County, OK.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.