In 2023, Lyon County, IA had a population of 12.1k people with a median age of 38.1 and a median household income of $72,881. Between 2022 and 2023 the population of Lyon County, IA grew from 12,023 to 12,087, a 0.532% increase and its median household income declined from $73,735 to $72,881, a −1.16% decrease.
The 5 largest ethnic groups in Lyon County, IA are White (Non-Hispanic) (94%), Two+ (Hispanic) (1.93%), Two+ (Non-Hispanic) (1.63%), Other (Hispanic) (0.96%), and White (Hispanic) (0.563%).
None of the households in Lyon County, IA reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
99.1% of the residents in Lyon County, IA are U.S. citizens.
Most people in Lyon County, IA drove alone to work, and the average commute time was 20.1 minutes. The average car ownership in Lyon County, IA was 2 cars per household.
Lyon County, IA borders O'Brien County, IA, Osceola County, IA, Sioux County, IA, Nobles County, MN, Rock County, MN, Lincoln County, SD, and Minnehaha County, SD.