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 is a county in Kansas with a population of 7,913. It ranks #48 among counties in Kansas by population. The median age is 35.3, younger than the national median. The population is 50.8% male and 49.2% female.
The median household income in Thomas County is $73,575, near the US median of $74,580. 4.6% of residents live below the federal poverty level. Home values sit at a median of $165,900, with monthly rent averaging $753. The homeownership rate of 76.5% is higher than the national rate of 64.8%.
Educational attainment in Thomas County reflects 30.2% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 8.3% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 11.4 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+
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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.
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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.