County · Kansas

Thomas County, Kansas

Thomas County, Kansas. Thomas County had 7,725 residents in 2025 by the Census Bureau's estimate, down 2.5% since 2020, while Kansas grew 1.3%. It holds 20 places (6 cities, villages and boroughs, 13 towns and townships and 1 census-designated) and 2 census tracts. GEOID 20193.

Residents, July 2025 estimate

7,725

Census Bureau estimate (no margin published)
2020 Census count: 7,930 · ACS 2020-2024: 7,885

Median household income

$71,325

±$9,792 (90% margin)
Kansas: $74,275

Median home value

$172,700

±$16,455 (90% margin)
Kansas: $217,200

Median gross rent

$752

±$90 (90% margin)
Kansas: $1,060

How many people live in Thomas County, and is it growing?

The 2020 Census counted 7,930 residents in Thomas County. The Census Bureau estimates 7,725 for July 1, 2025, down 2.5% since 2020, while Kansas grew 1.3%. The 2020-2024 American Community Survey puts the population at 7,885 over 1,075 square miles of land.

  • July 2020→2021 +16 (7,942)
  • 2021→2022 −72 (7,870)
  • 2022→2023 −61 (7,809)
  • 2023→2024 −57 (7,752)
  • 2024→2025 −27 (7,725)
Thomas County in Kansas. Boundaries: Census Bureau 2024.
Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
MeasureThomas CountyKansasChange since 2015-2019
Total population7,8852,947,197+75
Households3,139±1611,174,060−236
Average household size2.38±0.122.44+0.18
Housing units3,575±331,293,635no clear change

Thomas County's population since 2000

From 8,180 in 2000 to 7,725 in 2025: down 5.6%. 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.

  • 2000 Census 8,180
  • 2005 (estimate) 7,768
  • 2010 Census 7,900
  • 2015 (estimate) 7,908
  • 2020 Census 7,930
  • 2025 (estimate) 7,725

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 Thomas County?

Thomas County holds 20 places: 6 cities, villages and boroughs (incorporated places), 13 towns and townships (county subdivisions with their own government) and 1 census-designated place. The largest is Colby with 5,489 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in Thomas County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.
Colbycity5,5705,387±340$63,494$163,0008.0%100%
Morgan TownshipGEOID 2019348200township618524±182$110,483$426,6000.0%100%
West Hale Townshiptownship361536±206$65,000$127,80010.3%100%
Brewstercity291459±198$63,816$118,80012.0%100%
Smith TownshipGEOID 2019365900township238225±95$85,288not published7.1%100%
South Randall TownshipGEOID 2019366875township224450±228$111,250$339,7000.0%100%
RexfordGEOID 2059125city197146±61$85,769not published4.1%100%
Summers TownshipGEOID 2019368975township16055±54not published$205,4000.0%100%
Lacey TownshipGEOID 2019337425township138116±65$148,333not published0.0%100%
Rovohl TownshipGEOID 2019361525township129123±78$111,576$160,9000.0%100%
Barrett TownshipGEOID 2019304325township10916±18$80,938$156,3000.0%100%
East Hale TownshipGEOID 2019319475township105103±59$56,522$72,6006.8%100%
GemGEOID 2026050city9898±57not published$56,5000.0%100%
Kingery TownshipGEOID 2019336925township98163±107$130,625$235,0000.6%100%
Menlo TownshipGEOID 2019345775township8240±25$80,781$166,10020.0%100%
LevantGEOID 2039700CDP6863±52$55,652$72,6000.0%100%
North Randall TownshipGEOID 2019351300township5066±73not publishednot published0.0%100%
Oakleycity2,0462,009±128$77,065$120,00016.2%2%
Wendell TownshipGEOID 2019376650township4881±49$250,000 or morenot published0.0%100%
MenloGEOID 2045750city3324±18not published$256,30033.3%100%

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 Thomas County?

The median resident of Thomas County is 35.3 years old; 24.6% are under 18 and 18.6% are 65 or older. The largest group is non-Hispanic white residents at 86.6%, then Hispanic or Latino residents (of any race) at 8.4%. 4.1% of residents were born outside the United States.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureThomas CountyKansasChange since 2015-2019
Median age35.3±2.137.4no clear change
Under 18 years24.6%±1.4 pts23.8%–
65 years and over18.6%±0.7 pts17.0%–
Hispanic or Latino (any race)8.4%13.6%+1.9 pts
White alone, not Hispanic86.6%±1.4 pts72.7%−3.4 pts
Black or African American alone, not Hispanic0.4%±0.4 pts5.2%–
Asian alone, not Hispanic0.1%±0.2 pts2.9%–
American Indian and Alaska Native alone, not Hispanic0.0%±0.1 pts0.4%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.0%±0.4 pts0.1%–
Two or more races, not Hispanic4.2%±1.3 pts4.8%–
Some other race alone, not Hispanic0.2%±0.3 pts0.4%–
Born outside the United States4.1%±1.5 pts7.4%no clear change
Speak a language other than English at home (age 5+)5.6%±2.0 pts12.1%–
Civilian veterans (age 18+)2.8%±1.3 pts6.8%–
With a disability12.9%±2.4 pts13.5%–
No health insurance coverage10.4%±3.0 pts8.8%no clear change
High school graduate or higher (age 25+)95.3%±1.9 pts92.0%–
Bachelor's degree or higher (age 25+)34.6%±5.8 pts35.6%+12.0 pts
Graduate or professional degree (age 25+)8.7%±3.3 pts13.4%–
Moved from another state in the past year2.6%±1.3 pts3.0%–

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 Thomas County earn?

Half of Thomas County's 3,139 households earn less than $71,325 a year (±$9,792), against $74,275 in Kansas. In 2015-2019 it was $73,994 in 2024 dollars; the margins of error cannot tell the two periods apart. 6.5% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
MeasureThomas CountyKansasChange since 2015-2019
Median household income$71,325±$9,792$74,275no clear change
Mean household income$93,106±$10,901$100,417–
Per capita income$39,446±$4,575$40,978no clear change
People below the poverty line6.5%±2.9 pts11.3%−5.5 pts
Children under 18 below the poverty line7.3%±5.6 pts13.1%–
Households receiving SNAP3.8%±2.2 pts6.8%–
Households with a broadband subscription88.3%±4.2 pts90.7%–

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 Thomas County?

Owners occupy 75.2% of Thomas County's occupied homes and renters 24.8%. The median owner-occupied home is valued at $172,700 by its owner (±$16,455). The median renter pays $752 a month including utilities, and 42.0% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
MeasureThomas CountyKansasChange since 2015-2019
Median home value (owner-occupied)$172,700±$16,455$217,200no clear change
Median gross rent$752±$90$1,060no clear change
Renters paying 35% or more of income on rent42.0%±14.2 pts34.5%no clear change
Median monthly owner costs, with a mortgage$1,274±$115$1,689–
Owner-occupied homes75.2%±4.2 pts67.2%+7.6 pts
Housing units3,575±331,293,635no clear change
Homeowner vacancy rate0.0%±1.3 pts0.9%–
Rental vacancy rate15.1%±13.9 pts6.2%–
Single-family detached homes79.8%±4.6 pts71.8%–
Mobile homes6.3%±3.3 pts4.0%–
Built 2020 or later0.0%±0.8 pts1.4%–
Built 1939 or earlier18.2%±4.2 pts15.4%–

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 Thomas County building?

Builders took permits for 1 new housing units across Thomas County in 2025 (1 single-family), 0.1 per 1,000 residents.

  • 2019 3 units
  • 2020 1 units
  • 2021 16 units
  • 2022 12 units
  • 2023 5 units
  • 2024 5 units
  • 2025 1 units

Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Thomas County get to work?

82.4% of Thomas County's workers drive alone and 9.6% work from home. The average trip to work takes 11.7 minutes.

Work and commuting, ACS 2020-2024 5-year estimates
MeasureThomas CountyKansasChange since 2015-2019
In the labor force (age 16+)71.4%±3.7 pts66.1%–
Unemployment rate0.6%±0.6 pts3.9%–
Drove alone to work82.4%±3.9 pts75.4%–
Carpooled4.4%±1.7 pts8.7%–
Public transportation0.0%±0.7 pts0.4%–
Walked2.9%±1.6 pts2.3%–
Worked from home9.6%±3.1 pts11.8%no clear change
Mean travel time to work11.7 min±1.519.7 minno 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 Thomas County's census tracts?

Thomas County is divided into 2 census tracts. Among those with a reliable estimate, median household income runs from $68,303 (Tract 9531) to $83,529 (Tract 9534).

Census tracts of Thomas County, ACS 2020-2024 5-year estimates; sort by any column
Tract 953120193953100Colby (82%)6,0785,671±303$68,303$170,900$7507.6%
Tract 953420193953400Brewster (3%)1,8522,214±303$83,529$184,200$7663.9%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

How does Thomas County compare with Kansas's other counties?

Thomas County's rank among Kansas's counties with a reliable estimate (1 = highest)
MeasureRank
Population48th of 105
Growth 2020-202568th of 105
Residents per square mile59th of 105
Median household income27th of 105
Median home value23rd of 105
Median gross rent62nd of 104
Poverty rate93rd of 102
Bachelor's degree or higher7th of 105
Median age93rd of 105

Every county in Kansas

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 Thomas 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.