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Thomas County, Kansas Demographics 2026

Thomas County, Kansas has a population of 7,913, the 48th most populous county in Kansas. The median household income is $73,575 and the median home value is $165,900. The poverty rate is 6.9%.

Thomas County Quick Facts

Population 7,913
Median Household Income $73,575
Median Home Value $165,900
Poverty Rate 6.9%
Unemployment Rate 0.1%
Median Age 35.3 years
Homeownership Rate 76.5%
Affordability Ratio 2.3x
Bachelor's Degree+ 30.3%
High School Graduation 93.5%
Cities/Places 1
Population 7,913 48th of 105
Median Income $73,575 1% higher state
Poverty Rate 6.9%
Unemployment 0.1%

Economy & Housing

Employment

0.1% Unemployment Rate State: 3.9% | National: 5.2%
68.4% Labor Force Participation

Housing Overview

Owner 76.5%
Renter 23.5%
Affordability Index Very Affordable
2.3x home value to income ratio

People & Demographics

Diversity Index

18out of 100
Very Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 44 | National average: 60

Education

Cities & Places in Thomas County

CityPopulationMedian IncomePovertyHome Value
Colby city5,389$66,7318.2%$150,700

Population Overview

Thomas County is located in Kansas with a total population of 7,913. It is the 48th most populous county out of 105 in Kansas. The county encompasses 1 Census-designated place.

Age Demographics

The median age in Thomas County is 35.3 years. This is 5% lower than the state median of 37.2 years.

Economy, Income & Housing

The median household income in Thomas County is $73,575. This is 1% higher than the state median of $72,639. Compared to the national median of $78,538, household income here is 6% lower. The poverty rate stands at 6.9%. This is 40% lower than the state poverty rate of 11.5%. The unemployment rate is 0.1%. This is 96% lower than the state rate of 3.9%. The median home value is $165,900. Housing costs are 18% lower than the state median of $203,400. With a home-value-to-income ratio of just 2.3x, Thomas County is one of the most affordable housing markets in the area. 76.5% of occupied housing units are owner-occupied. This homeownership rate is 14% higher than the state average of 66.9%.

Race & Ethnicity

Thomas County has a predominantly White (non-Hispanic) population, comprising 90.1% of all residents. Hispanic or Latino residents account for 8.1%. The Black or African American population (0.3%) is well below the state average of 5.3%. The Asian population (0.2%) is well below the state average of 2.9%.

Education

30.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 14% lower than the state rate of 35.2%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 93.5%.

Frequently Asked Questions

What is the population of Thomas County, Kansas?

Thomas County has a population of 7,913, making it the 48th most populous county in Kansas.

What is the median income in Thomas County?

The median household income in Thomas County is $73,575 with a poverty rate of 6.9%.

How many cities are in Thomas County, Kansas?

Thomas County contains 1 Census-designated place.