In 2019, Lyon County, KS had a population of 33.3k people with a median age of 33.4 and a median household income of $46,338. Between 2018 and 2019 the population of Lyon County, KS declined from 33,299 to 33,251, a −0.144% decrease and its median household income grew from $44,191 to $46,338, a 4.86% increase.
The 5 largest ethnic groups in Lyon County, KS are White (Non-Hispanic) (71.1%), White (Hispanic) (18.1%), Two+ (Non-Hispanic) (2.85%), Black or African American (Non-Hispanic) (2.23%), and Asian (Non-Hispanic) (2.07%). 0% of the households in Lyon County, KS speak a non-English language at home as their primary language, and 92.7% of the residents in Lyon County, KS are U.S. citizens.
In 2019, the median property value in Lyon County, KS was $106,800, and the homeownership rate was 60%. Most people in Lyon County, KS drove alone to work, and the average commute time was 15.3 minutes. The average car ownership in Lyon County, KS was 2 cars per household.