In 2019, Carroll County, IA had a population of 20.3k people with a median age of 42 and a median household income of $59,212. Between 2018 and 2019 the population of Carroll County, IA declined from 20,344 to 20,281, a −0.31% decrease and its median household income grew from $57,674 to $59,212, a 2.67% increase.
The 5 largest ethnic groups in Carroll County, IA are White (Non-Hispanic) (96.9%), Other (Hispanic) (1.24%), Two+ (Hispanic) (0.473%), White (Hispanic) (0.424%), and American Indian & Alaska Native (Hispanic) (0.36%). 0% of the households in Carroll County, IA speak a non-English language at home as their primary language.
99.2% of the residents in Carroll County, IA are U.S. citizens.
In 2019, the median property value in Carroll County, IA was $138,900, and the homeownership rate was 75.8%. Most people in Carroll County, IA drove alone to work, and the average commute time was 12.9 minutes. The average car ownership in Carroll County, IA was 2 cars per household.