Thomas County, Kansas Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 48th-largest in Kansas
The population of Thomas County, Kansas is 7,913 as of the 2023 American Community Survey, making it the 48th-largest county in Kansas. The median household income is $73,575, the median home value is $165,900, and the median age is 35.3.
The population of Thomas County has declined 1.6% since 2010 (7,932 → 7,802), a -0.12% annualized rate.
7,913
Population
-0.12%
Annual growth
7
People / sq mi
$73,575
Median Income
$165,900
Median Home Value
Thomas County covers 1,075 sq mi of land at 7.4 people per square mile.
About Thomas County, KS
Thomas County skews on age — the median resident is 35.3, younger than the national median. Thomas County is a county in Kansas with a population of 7,913. It ranks #48 among counties in Kansas by population.
The typical household earns $73,575 a year, below the US median of $78,538. Poverty is among the lowest of comparable US counties, at 4.6% — below the national 12.4%. The typical home is valued at $165,900, with typical rent around $753.
College attainment is above the local norm at 30.2%, below the national 35.0%. Around 8.3% of workers work from home, below the national 14.0%, and the average commute runs about 11 minutes each way.
Thomas County Population History (2010-2024)
The county of Thomas County had a population of 7,932 in 2010 and 7,802 in 2024, a -1.6% growth over 14 years. The peak was 7,950 in 2021. Average annual growth rate: -0.11%.
7,802
Population (2024)
7,932
Population (2010)
7,950
Peak (2021)
-0.11%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 7,932 |
| 2011 | 7,948 |
| 2012 | 7,942 |
| 2013 | 7,944 |
| 2014 | 7,849 |
| 2015 | 7,908 |
| 2016 | 7,838 |
| 2017 | 7,824 |
| 2018 | 7,673 |
| 2019 | 7,704 |
| 2020 | 7,933 |
| 2021 | 7,950 |
| 2022 | 7,882 |
| 2023 | 7,858 |
| 2024 | 7,802 |
Race & Ethnicity
| White | 92.5% |
| Black or African American | 1.3% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.4% |
| Two or More Races | 0.0% |
Age & Sex
35.3
Median Age
49.2%
Female
50.8%
Male
17.9%
Age 65+
Age Distribution
Children (under 15): 20.4% · Seniors (65+): 17.9%
Income & Poverty
| Median household income | $73,575+$936 vs state |
| Mean household income | $96,561 |
| Per-capita income | $39,637 |
| Poverty rate | 4.6%-3.1% vs state |
| Unemployment rate | 0.1% |
| Employment-to-population | 68.3% |
Top Industries by Employment
The largest employment sector in Thomas County is professional & business services, accounting for 27.5% of workers.
How residents commute
0.0%
Drive alone
3.3%
Carpool
81.8%
Public transit
8.3%
Work from home
11.4 min
Avg commute
Housing
$165,900$-37,500 vs state
Median home value
$753
Median rent
76.5%
Homeownership rate
3,580
Total housing units
86.6%
Occupied
13.4%
Vacant
23.5%
Renter-occupied
Social & access
87.6%
With health insurance
94.5%
With broadband internet
25.2%
Foreign-born
5.5%
Veterans (18+)
12.0%
With a disability
93.6%
Speak language other than English at home
Education
93.5%
High School+
30.2%
Bachelor's+
Largest cities in Kansas
Other counties in Kansas
Part of Kansas
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County rankings
Frequently Asked Questions
Thomas County, Kansas has a population of 7,913 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 48th-largest county in Kansas. Population density is 7 people per square mile.
The population of Thomas County has declined 1.6% since 2010 (7,932 → 7,802), a -0.12% annualized rate.
The median household income in Thomas County, Kansas is $73,575, with mean (average) household income of $96,561 and per-capita income of $39,637. 4.6% of residents live below the federal poverty level.
In Thomas County, the largest racial and ethnic groups are White (92.5%), Black or African American (1.3%), Hispanic or Latino (0.4%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Thomas County, Kansas is 35.3 years. Residents are 49.2% female and 50.8% male.
The median home value in Thomas County is $165,900 and median monthly rent is $753. 76.5% of occupied housing units are owner-occupied. The county has 3,580 total housing units, 13.4% of which are vacant.
The largest employment sector in Thomas County, Kansas is professional, scientific, and management services, employing 27.5% of workers. The unemployment rate is 0.1%.
Wichita is among the largest cities associated with Thomas County, Kansas, with a population of 396,488.
Thomas County, KS Climate
Thomas County, KS has an average annual temperature of 10.6°C (51°F) and receives about 484 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
10.6°C
Avg Temp
484
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -3° / 27° | 8 mm |
| February | 0° / 32° | 9 mm |
| March | 4° / 40° | 31 mm |
| April | 10° / 50° | 40 mm |
| May | 15° / 60° | 92 mm |
| June | 21° / 70° | 80 mm |
| July | 24° / 76° | 75 mm |
| August | 23° / 74° | 54 mm |
| September | 18° / 65° | 42 mm |
| October | 11° / 52° | 28 mm |
| November | 3° / 38° | 16 mm |
| December | -1° / 30° | 9 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Thomas County, KS
The most comfortable months to visit Thomas County, KS are typically June, September and August, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 32°C high). The coldest is January (near -10°C low). May is usually the wettest month.
Where to stay near Thomas County
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Population, race, income, age, and trends across Kansas
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.