In 2020, Sioux County, IA had a population of 34.9k people with a median age of 33.6 and a median household income of $73,260. Between 2019 and 2020 the population of Sioux County, IA grew from 34,827 to 34,900, a 0.21% increase and its median household income grew from $69,844 to $73,260, a 4.89% increase.
The 5 largest ethnic groups in Sioux County, IA are White (Non-Hispanic) (86.7%), White (Hispanic) (6.77%), Other (Hispanic) (2.13%), Two+ (Hispanic) (1.81%), and Two+ (Non-Hispanic) (1.15%).
None of the households in Sioux 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.
96.2% of the residents in Sioux County, IA are U.S. citizens.
In 2020, the median property value in Sioux County, IA was $182,500, and the homeownership rate was 80.8%.
Most people in Sioux County, IA drove alone to work, and the average commute time was 13.4 minutes. The average car ownership in Sioux County, IA was 2 cars per household.