Thomas County, Kansas Demographics

Population trends, housing costs, income, commuting, and health, all on one page.

Thomas County, KS Population Density Map and Area Scores

Area Score

Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.

  • B
    Health Around average
    Healthier than 88% of counties in Kansas
  • C
    Income Below average
  • D
    Education Well below average

Source: Map AI Methodology

Thomas County
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Population density, people per sq mi

Population: density and quick facts

Metric Thomas County Kansas Avg U.S. Average
Population 7,885 2,945,842 337,468,954
Population density (per sq mi) 7.3 35.8 86.4
Population growth (%/yr) -0.03% 0.19% 0.59%
Median age 35.4 38.7 37.3
Households 3,139 1,173,585 130,235,071

Population in Thomas County grew by 6.3% from 2009 to 2024, reaching 7,885 in 2024.

Population Growth 2009–2024

Year Thomas County

Race & Ethnicity

Group Share

Age & Sex

The largest generation in Thomas County is Gen Z, aged 13–28, at 25.2% of residents. That is 2.4 points above Kansas as a whole.

Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Kansas, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.

Male and female share

Women are 50.0% of the people living in Thomas County and men 50.0%.

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7,885

100% of everyone living in Thomas County

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Economy

Thomas County has a the economy index of C, which means it is somewhat prosperous.

Metric Thomas County Kansas Avg U.S. Average
Median household income $71,785 $74,287 $80,455
Income growth (%/yr) 4.39% 4.08% 4.80%
Unemployment rate 1.0% 3.8% 5.2%

The median household income in Thomas County is about 3% lower than in Kansas.

Detailed wealth and income breakdown →

Housing

Metric Thomas County Kansas Avg U.S. Average
Median home price $113,368 $104,644 $248,835
Median rent $752 $1,060 $1,407
Homeownership rate 75.2% 67.1% 65.2%

The median home price in Thomas County is about 12.6 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $752 per month for that long.

Full housing market analysis →

Commute Time & Mobility

Commuters in Thomas County spend about 17 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 69 hours, about 2.9 full days, spent commuting.

Metric Thomas County Kansas Avg U.S. Average
One-way commute (min) 8.3 17.2 22.4
Round-trip commute (min) 16.6 34.4 44.8
Yearly time spent (hours) 69 143 187
Estimated yearly cost $2,144 $4,448 $5,790
Work from home 9.6% 11.8% 15.0%
Highway traffic (vehicles/day) 2,418 4,500 8,813
Local road traffic (vehicles/day) 286 662 1,355

Fastest commutes among counties in Kansas: Wichita County (7.0 min), Scott County (7.1 min), Greeley County (7.2 min).
Slowest: Linn County (31.3 min), Miami County (30.8 min), Jefferson County (30.3 min).

The average commute time in Thomas County is 8 minutes, shorter than the 17 minutes in Kansas.

Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.

Commute and transport details →

Education & Households

Thomas County has a education index of D, which means it is barely educated.

Metric Thomas County Kansas Avg U.S. Average
Bachelor's degree or higher 23.8% 31.5% 31.6%
Average household size 2.38 2.44 2.53

Highest education index among counties in Kansas: Johnson County (0.4), Douglas County (0.4), Riley County (0.3).
Lowest: Seward County (0.2), Grant County (0.2), Kearny County (0.2).

Health

Thomas County has a health index of B, which means it is quite healthy.

Metric Thomas County Kansas Avg U.S. Average
Life expectancy (years) 81.8 78.6 78.3
Self-rated poor health 13.7% 15.3% 16.3%
Smokers 17.8% 18.7% 19.0%

Highest health index among counties in Kansas: Johnson County (0.8), Riley County (0.8), Douglas County (0.8).
Lowest: Wyandotte County (0.8), Woodson County (0.8), Chautauqua County (0.8).

Full health data →

Frequently Asked Questions

Common questions about Thomas County, Kansas.

How big is Thomas County, Kansas by population?

About 7,885 people live in Thomas County, Kansas, in 3,139 households of 2.4 people on average. The median age is 35.4, so residents are younger than the U.S. median of 37.3 by about 2 years.

Is Thomas County, Kansas urban or rural?

Averaged over its land area, Thomas County, Kansas has 7 people per square mile, a density typical of rural areas. That is about 8% of the U.S. average of 86.

Is Thomas County, Kansas an affordable place to live?

The median home costs 1.6 times the median household income ($113,368 against $71,785), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $752 a month takes about 13% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.

Is it hard to find a job in Thomas County, Kansas?

Unemployment in Thomas County, Kansas is only 1.0%, well below the U.S. rate of 5.2%, a sign of a tight labor market where employers compete for workers.

What share of adults in Thomas County, Kansas have a college degree?

23.8% of adults in Thomas County, Kansas hold a bachelor's degree or higher (about 1 in 4), well below the U.S. share of 31.6%.

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