County · Kansas
Sumner County, Kansas
Sumner County, Kansas. Sumner County had 22,312 residents in 2025 by the Census Bureau's estimate, down 0.3% since 2020, while Kansas grew 1.3%. It holds 44 places (12 cities, villages and boroughs, 30 towns and townships and 2 census-designated) and 6 census tracts. GEOID 20191.
Sumner County is one of the 4 counties of the Wichita, KS metropolitan statistical area (the Census Bureau's July 2023 delineation).
Residents, July 2025 estimate
22,312
Census Bureau estimate (no margin published)
2020 Census count: 22,382 · ACS 2020-2024: 22,353
Median household income
$63,951
±$4,642 (90% margin)
Kansas: $74,275
Median home value
$135,100
±$14,398 (90% margin)
Kansas: $217,200
Median gross rent
$825
±$129 (90% margin)
Kansas: $1,060
How many people live in Sumner County, and is it growing?
The 2020 Census counted 22,382 residents in Sumner County. The Census Bureau estimates 22,312 for July 1, 2025, down 0.3% since 2020, while Kansas grew 1.3%. The 2020-2024 American Community Survey puts the population at 22,353 over 1,182 square miles of land.
| Measure | Sumner County | Kansas | Change since 2015-2019 |
|---|---|---|---|
| Total population | 22,353 | 2,947,197 | −761 |
| Households | 8,970±203 | 1,174,060 | −446 |
| Average household size | 2.45±0.06 | 2.44 | no clear change |
| Housing units | 10,414±47 | 1,293,635 | −579 |
Sumner County's population since 2000
From 25,946 in 2000 to 22,312 in 2025: down 14.0%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in Sumner County?
Sumner County holds 44 places: 12 cities, villages and boroughs (incorporated places), 30 towns and townships (county subdivisions with their own government) and 2 census-designated places. The largest is Wellington with 7,541 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Wellington | 7,715 | $50,333 |
|---|---|---|
| Belle Plaine Township | 3,082 | $91,250 |
| Gore Township | 1,837 | $70,078 |
| Belle Plaine | 1,467 | $63,214 |
| Oxford Township, Sumner County | 1,259 | $63,750 |
| Conway Springs | 1,086 | $73,320 |
| Conway Township | 1,081 | $73,771 |
| Oxford | 1,048 | $59,167 |
| Caldwell | 1,025 | $44,286 |
| Mulvane | 6,286 | $74,039 |
| London TownshipGEOID 2019142400 | 694 | $54,606 |
| Springdale Township | 669 | $121,250 |
| Dixon Township | 606 | $68,594 |
| South Haven Township | 524 | $69,063 |
| ArgoniaGEOID 2002250 | 456 | $79,531 |
| Eden Township, Sumner CountyGEOID 2019119800 | 420 | $62,778 |
| South Haven | 324 | $78,750 |
| Walton Township, Sumner CountyGEOID 2019175300 | 306 | $77,938 |
| Wellington TownshipGEOID 2019176500 | 284 | $192,765 |
| Avon Township, Sumner CountyGEOID 2019103575 | 274 | $122,528 |
| Seventy-Six TownshipGEOID 2019164000 | 274 | not published |
| Harmon TownshipGEOID 2019130125 | 235 | $61,103 |
| Osborne TownshipGEOID 2019153335 | 226 | $59,063 |
| Palestine TownshipGEOID 2019154175 | 209 | not published |
| Creek TownshipGEOID 2019116300 | 181 | $128,500 |
| Illinois Township, Sumner CountyGEOID 2019133800 | 171 | $135,313 |
| Falls Township, Sumner CountyGEOID 2019122875 | 157 | $97,917 |
| MiltonGEOID 2046925 | 155 | $40,000 |
| Guelph TownshipGEOID 2019129175 | 151 | $46,563 |
| Geuda SpringsGEOID 2026200 | 158 | $51,528 |
| Ryan TownshipGEOID 2019161950 | 143 | $60,000 |
| Downs TownshipGEOID 2019118525 | 139 | $79,000 |
| Sumner Township, Sumner CountyGEOID 2019169225 | 132 | $81,250 |
| Caldwell TownshipGEOID 2019109925 | 129 | $65,417 |
| Valverde TownshipGEOID 2019173350 | 118 | $74,375 |
| Jackson Township, Sumner CountyGEOID 2019134925 | 117 | $75,278 |
| PeckGEOID 2055175 | 162 | not published |
| Greene TownshipGEOID 2019128525 | 79 | not published |
| MayfieldGEOID 2045275 | 75 | $52,750 |
| Bluff TownshipGEOID 2019107750 | 59 | not published |
| MilanGEOID 2046450 | 56 | not published |
| Chikaskia Township, Sumner CountyGEOID 2019113150 | 47 | not published |
| HunnewellGEOID 2033500 | 44 | $42,045 |
| Morris TownshipGEOID 2019148375 | 39 | $141,875 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in Sumner County?
The median resident of Sumner County is 41.3 years old; 24.1% are under 18 and 19.5% are 65 or older. The largest group is non-Hispanic white residents at 86.5%, then Hispanic or Latino residents (of any race) at 6.1%. 1.3% of residents were born outside the United States.
| Measure | Sumner County | Kansas | Change since 2015-2019 |
|---|---|---|---|
| Median age | 41.3±0.6 | 37.4 | no clear change |
| Under 18 years | 24.1%±0.1 pts | 23.8% | – |
| 65 years and over | 19.5%±0.5 pts | 17.0% | – |
| Hispanic or Latino (any race) | 6.1% | 13.6% | +0.7 pts |
| White alone, not Hispanic | 86.5%±0.7 pts | 72.7% | −3.1 pts |
| Black or African American alone, not Hispanic | 1.1%±0.3 pts | 5.2% | no clear change |
| Asian alone, not Hispanic | 0.4%±0.2 pts | 2.9% | no clear change |
| American Indian and Alaska Native alone, not Hispanic | 0.5%±0.2 pts | 0.4% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.1 pts | 0.1% | – |
| Two or more races, not Hispanic | 4.7%±0.6 pts | 4.8% | – |
| Some other race alone, not Hispanic | 0.7%±0.5 pts | 0.4% | – |
| Born outside the United States | 1.3%±0.4 pts | 7.4% | no clear change |
| Speak a language other than English at home (age 5+) | 1.8%±0.5 pts | 12.1% | – |
| Civilian veterans (age 18+) | 8.8%±1.2 pts | 6.8% | – |
| With a disability | 17.7%±1.8 pts | 13.5% | – |
| No health insurance coverage | 8.7%±1.7 pts | 8.8% | no clear change |
| High school graduate or higher (age 25+) | 94.7%±1.3 pts | 92.0% | – |
| Bachelor's degree or higher (age 25+) | 25.9%±2.7 pts | 35.6% | no clear change |
| Graduate or professional degree (age 25+) | 7.8%±1.3 pts | 13.4% | – |
| Moved from another state in the past year | 1.6%±1.3 pts | 3.0% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Sumner County earn?
Half of Sumner County's 8,970 households earn less than $63,951 a year (±$4,642), against $74,275 in Kansas. In 2015-2019 it was $67,688 in 2024 dollars; the margins of error cannot tell the two periods apart. 10.6% of residents live below the poverty line.
| Measure | Sumner County | Kansas | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $63,951±$4,642 | $74,275 | no clear change |
| Mean household income | $83,070±$4,894 | $100,417 | – |
| Per capita income | $34,307±$1,719 | $40,978 | no clear change |
| People below the poverty line | 10.6%±1.8 pts | 11.3% | no clear change |
| Children under 18 below the poverty line | 12.0%±4.2 pts | 13.1% | no clear change |
| Households receiving SNAP | 9.9%±2.0 pts | 6.8% | – |
| Households with a broadband subscription | 84.9%±2.6 pts | 90.7% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Sumner County?
Owners occupy 75.1% of Sumner County's occupied homes and renters 24.9%. The median owner-occupied home is valued at $135,100 by its owner (±$14,398). The median renter pays $825 a month including utilities, and 29.9% of renters pay 35% or more of their income on rent.
| Measure | Sumner County | Kansas | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $135,100±$14,398 | $217,200 | +$24,584 |
| Median gross rent | $825±$129 | $1,060 | no clear change |
| Renters paying 35% or more of income on rent | 29.9%±7.0 pts | 34.5% | no clear change |
| Median monthly owner costs, with a mortgage | $1,473±$88 | $1,689 | – |
| Owner-occupied homes | 75.1%±3.0 pts | 67.2% | no clear change |
| Housing units | 10,414±47 | 1,293,635 | −579 |
| Homeowner vacancy rate | 1.3%±1.3 pts | 0.9% | – |
| Rental vacancy rate | 10.4%±3.7 pts | 6.2% | – |
| Single-family detached homes | 81.4%±2.5 pts | 71.8% | – |
| Mobile homes | 8.0%±1.7 pts | 4.0% | – |
| Built 2020 or later | 0.4%±0.2 pts | 1.4% | – |
| Built 1939 or earlier | 27.4%±2.5 pts | 15.4% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Sumner County building?
Builders took permits for 25 new housing units across Sumner County in 2025 (25 single-family), 1.1 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Sumner County get to work?
84.1% of Sumner County's workers drive alone and 7.1% work from home. The average trip to work takes 24.3 minutes. The unemployment rate in 2020-2024 averaged 5.9%.
| Measure | Sumner County | Kansas | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 59.7%±1.8 pts | 66.1% | – |
| Unemployment rate | 5.9%±1.6 pts | 3.9% | +2.2 pts |
| Drove alone to work | 84.1%±2.0 pts | 75.4% | – |
| Carpooled | 6.6%±1.5 pts | 8.7% | – |
| Public transportation | 0.4%±0.6 pts | 0.4% | – |
| Walked | 0.9%±0.4 pts | 2.3% | – |
| Worked from home | 7.1%±1.7 pts | 11.8% | no clear change |
| Mean travel time to work | 24.3 min±1.4 | 19.7 min | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What are Sumner County's census tracts?
Sumner County is divided into 6 census tracts. Among those with a reliable estimate, median household income runs from $41,525 (Tract 9625) to $79,958 (Tract 9621).
| Tract 962120191962100 | 4,775±330 | $79,958 |
|---|---|---|
| Tract 962220191962200 | 4,915±396 | $74,577 |
| Tract 962320191962300 | 2,267±206 | $63,897 |
| Tract 962420191962400 | 4,284±429 | $71,107 |
| Tract 962520191962500 | 3,865±404 | $41,525 |
| Tract 962620191962600 | 2,247±296 | $61,513 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Sumner County compare with Kansas's other counties?
| Measure | Rank |
|---|---|
| Population | 25th of 105 |
| Growth 2020-2025 | 29th of 105 |
| Residents per square mile | 37th of 105 |
| Median household income | 54th of 105 |
| Median home value | 43rd of 105 |
| Median gross rent | 37th of 104 |
| Poverty rate | 54th of 102 |
| Bachelor's degree or higher | 35th of 105 |
| Median age | 51st of 105 |
Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Sumner County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.