In 2020, Winneshiek County, IA had a population of 20.1k people with a median age of 41.9 and a median household income of $63,162. Between 2019 and 2020 the population of Winneshiek County, IA declined from 20,262 to 20,090, a −0.849% decrease and its median household income declined from $65,263 to $63,162, a −3.22% decrease.
The 5 largest ethnic groups in Winneshiek County, IA are White (Non-Hispanic) (94.9%), White (Hispanic) (1.37%), Black or African American (Non-Hispanic) (0.911%), Asian (Non-Hispanic) (0.911%), and Other (Hispanic) (0.672%).
None of the households in Winneshiek 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.
98.7% of the residents in Winneshiek County, IA are U.S. citizens.
In 2020, the median property value in Winneshiek County, IA was $183,300, and the homeownership rate was 78%.
Most people in Winneshiek County, IA drove alone to work, and the average commute time was 18.2 minutes. The average car ownership in Winneshiek County, IA was 2 cars per household.