In 2018, Lyon County, IA had a population of 11.8k people with a median age of 38.1 and a median household income of $64,352. Between 2017 and 2018 the population of Lyon County, IA grew from 11,745 to 11,769, a 0.204% increase and its median household income grew from $62,012 to $64,352, a 3.77% increase.
The 5 largest ethnic groups in Lyon County, IA are White (Non-Hispanic) (95.8%), White (Hispanic) (1.07%), Other (Hispanic) (0.85%), Two+ (Non-Hispanic) (0.765%), and American Indian & Alaska Native (Hispanic) (0.408%). 0% of the households in Lyon County, IA speak a non-English language at home as their primary language, and 98.9% of the residents in Lyon County, IA are U.S. citizens.
In 2018, the median property value in Lyon County, IA was $132,400, and the homeownership rate was 83.4%. Most people in Lyon County, IA drove alone to work, and the average commute time was 15.6 minutes. The average car ownership in Lyon County, IA was 2 cars per household.