Hamilton County, Kansas Demographics 2026

Population Overview

Hamilton County is located in Kansas with a total population of 2,485. It is the 93rd most populous county out of 105 in Kansas.

Age Demographics

The median age in Hamilton County is 36.4 years. This is 2% lower than the state median of 37.2 years. With 31.4% of the population under 18, Hamilton County has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Hamilton County is $61,929. This is 15% lower than the state median of $72,639. Compared to the national median of $78,538, household income here is 21% lower. The poverty rate stands at 3.7%. This is 68% lower than the state poverty rate of 11.5%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 0.9%. This is 78% lower than the state rate of 3.9%. The median home value is $119,700. Housing costs are 41% lower than the state median of $203,400. With a home-value-to-income ratio of just 1.9x, Hamilton County is one of the most affordable housing markets in the area. 81.2% of occupied housing units are owner-occupied. This homeownership rate is 21% higher than the state average of 66.9%.

Race & Ethnicity

The largest racial or ethnic group in Hamilton County is White (non-Hispanic), making up 57.3% of the population. Hispanic or Latino residents account for 41.6%. The Black or African American population (0.0%) is well below the state average of 5.3%. The Hispanic or Latino population is significantly higher than the state average (41.6% vs 13.3%).

Education

20.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 41% 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 85.8%.