In 2021, Gillespie, IL had a population of 2.95k people with a median age of 45.7 and a median household income of $45,817. Between 2020 and 2021 the population of Gillespie, IL declined from 2,977 to 2,945, a −1.07% decrease and its median household income grew from $44,934 to $45,817, a 1.97% increase.
The 5 largest ethnic groups in Gillespie, IL are White (Non-Hispanic) (96.8%), Two+ (Non-Hispanic) (2.68%), American Indian & Alaska Native (Non-Hispanic) (0.475%), White (Hispanic) (0%), and Black or African American (Non-Hispanic) (0%).
None of the households in Gillespie, 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.
99.7% of the residents in Gillespie, IL are U.S. citizens.
In 2021, the median property value in Gillespie, IL was $89,200, and the homeownership rate was 70.9%.
Most people in Gillespie, IL drove alone to work, and the average commute time was 27.6 minutes. The average car ownership in Gillespie, IL was 2 cars per household.