In 2020, Clay County, IA had a population of 16.1k people with a median age of 41.6 and a median household income of $51,259. Between 2019 and 2020 the population of Clay County, IA declined from 16,211 to 16,138, a −0.45% decrease and its median household income grew from $50,521 to $51,259, a 1.46% increase.
The 5 largest ethnic groups in Clay County, IA are White (Non-Hispanic) (93%), White (Hispanic) (2.55%), Two+ (Non-Hispanic) (1.99%), Other (Hispanic) (0.7%), and Asian (Non-Hispanic) (0.682%).
None of the households in Clay 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 Clay County, IA are U.S. citizens.
In 2020, the median property value in Clay County, IA was $129,700, and the homeownership rate was 67.5%.
Most people in Clay County, IA drove alone to work, and the average commute time was 17 minutes. The average car ownership in Clay County, IA was 2 cars per household.