In 2022, Janesville, IA had a population of 1.06k people with a median age of 38.1 and a median household income of $88,625. Between 2021 and 2022 the population of Janesville, IA grew from 1,059 to 1,063, a 0.378% increase and its median household income declined from $88,750 to $88,625, a −0.141% decrease.
The 5 largest ethnic groups in Janesville, IA are White (Non-Hispanic) (98.3%), White (Hispanic) (1.13%), Two+ (Non-Hispanic) (0.282%), Two+ (Hispanic) (0.188%), and Other (Hispanic) (0.0941%).
None of the households in Janesville, 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.
99.5% of the residents in Janesville, IA are U.S. citizens.
In 2022, the median property value in Janesville, IA was $221,600, and the homeownership rate was 91.6%.
Most people in Janesville, IA drove alone to work, and the average commute time was 20.7 minutes. The average car ownership in Janesville, IA was 2 cars per household.