In 2023, Jefferson County, IA had a population of 15.7k people with a median age of 43.5 and a median household income of $56,824. Between 2022 and 2023 the population of Jefferson County, IA declined from 15,785 to 15,676, a −0.691% decrease and its median household income grew from $52,210 to $56,824, a 8.84% increase.
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None of the households in Jefferson 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.
The largest universities in Jefferson County, IA are Maharishi International University (768 degrees awarded in 2022).
In 2023, the median property value in Jefferson County, IA was $161,200, and the homeownership rate was 65.1%.
Most people in Jefferson County, IA drove alone to work, and the average commute time was 15.2 minutes. The average car ownership in Jefferson County, IA was 2 cars per household.
Jefferson County, IA borders Davis County, IA, Henry County, IA, Keokuk County, IA, Van Buren County, IA, Wapello County, IA, and Washington County, IA.