In 2019, Sioux County, IA had a population of 34.8k people with a median age of 33.4 and a median household income of $69,844. Between 2018 and 2019 the population of Sioux County, IA grew from 34,825 to 34,827, a 0.00574% increase and its median household income grew from $67,178 to $69,844, a 3.97% increase.
The 5 largest ethnic groups in Sioux County, IA are White (Non-Hispanic) (86.9%), White (Hispanic) (7.65%), Other (Hispanic) (2.29%), Two+ (Non-Hispanic) (1.09%), and Asian (Non-Hispanic) (0.738%). 0% of the households in Sioux County, IA speak a non-English language at home as their primary language, and 95.7% of the residents in Sioux County, IA are U.S. citizens.
In 2019, the median property value in Sioux County, IA was $167,500, and the homeownership rate was 80.3%. Most people in Sioux County, IA drove alone to work, and the average commute time was 11.6 minutes. The average car ownership in Sioux County, IA was 2 cars per household.