In 2021, Allen County, KY had a population of 20.6k people with a median age of 40.5 and a median household income of $47,495. Between 2020 and 2021 the population of Allen County, KY declined from 21,065 to 20,604, a −2.19% decrease and its median household income grew from $44,180 to $47,495, a 7.5% increase.
The 5 largest ethnic groups in Allen County, KY are White (Non-Hispanic) (94.6%), Two+ (Non-Hispanic) (2.28%), White (Hispanic) (1.73%), Black or African American (Non-Hispanic) (0.529%), and Two+ (Hispanic) (0.408%).
None of the households in Allen County, KY 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.
98.8% of the residents in Allen County, KY are U.S. citizens.
In 2021, the median property value in Allen County, KY was $132,900, and the homeownership rate was 75.6%.
Most people in Allen County, KY drove alone to work, and the average commute time was 26.6 minutes. The average car ownership in Allen County, KY was 2 cars per household.
Allen County, KY borders Barren County, KY, Monroe County, KY, Simpson County, KY, Warren County, KY, Macon County, TN, and Sumner County, TN.