In 2023, Jefferson, IA had a population of 4.16k people with a median age of 51.5 and a median household income of $54,286. Between 2022 and 2023 the population of Jefferson, IA declined from 4,190 to 4,164, a −0.621% decrease and its median household income grew from $48,868 to $54,286, a 11.1% increase.
The 5 largest ethnic groups in Jefferson, IA are White (Non-Hispanic) (91.9%), Two+ (Non-Hispanic) (3.03%), Two+ (Hispanic) (2.21%), White (Hispanic) (1.85%), and Other (Hispanic) (0.72%).
None of the households in Jefferson, 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.
98.8% of the residents in Jefferson, IA are U.S. citizens.
In 2023, the median property value in Jefferson, IA was $126,900, and the homeownership rate was 70.4%.
Most people in Jefferson, IA drove alone to work, and the average commute time was 23.6 minutes. The average car ownership in Jefferson, IA was 2 cars per household.