Lyon County, Kansas Demographics 2026

Population Overview

Lyon County is located in Kansas with a total population of 32,145. It is the 18th most populous county out of 105 in Kansas. The county encompasses 1 Census-designated place.

Age Demographics

The median age in Lyon County is 33.1 years. This is 11% lower than the state median of 37.2 years.

Economy, Income & Housing

The median household income in Lyon County is $59,078. This is 19% lower than the state median of $72,639. Compared to the national median of $78,538, household income here is 25% lower. The poverty rate stands at 15.2%. This is 32% higher than the state poverty rate of 11.5%. The unemployment rate is 2.5%. This is 36% lower than the state rate of 3.9%. The median home value is $142,200. Housing costs are 30% lower than the state median of $203,400. With a home-value-to-income ratio of just 2.4x, Lyon County is one of the most affordable housing markets in the area. 58.2% of occupied housing units are owner-occupied. This homeownership rate is 13% lower than the state average of 66.9%.

Race & Ethnicity

The largest racial or ethnic group in Lyon County is White (non-Hispanic), making up 69.2% of the population. Hispanic or Latino residents account for 23.4%. The Black or African American population (1.6%) is well below the state average of 5.3%. The Hispanic or Latino population is significantly higher than the state average (23.4% vs 13.3%).

Education

27.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 21% 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 89.2%.