In 2023, Rochester, IL had a population of 3.78k people with a median age of 39.2 and a median household income of $112,689. Between 2022 and 2023 the population of Rochester, IL grew from 3,752 to 3,784, a 0.853% increase and its median household income grew from $107,800 to $112,689, a 4.54% increase.
The 5 largest ethnic groups in Rochester, IL are White (Non-Hispanic) (93.3%), Asian (Non-Hispanic) (2.56%), Two+ (Non-Hispanic) (2.06%), White (Hispanic) (1.45%), and Black or African American (Non-Hispanic) (0.396%).
None of the households in Rochester, IL 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.
100% of the residents in Rochester, IL are U.S. citizens.
In 2023, the median property value in Rochester, IL was $241,900, and the homeownership rate was 96%.
Most people in Rochester, IL drove alone to work, and the average commute time was 18.7 minutes. The average car ownership in Rochester, IL was 2 cars per household.