In 2022, Oak Grove, IL had a population of 353 people with a median age of 56.4 and a median household income of $40,486. Between 2021 and 2022 the population of Oak Grove, IL declined from 411 to 353, a −14.1% decrease and its median household income grew from $29,375 to $40,486, a 37.8% increase.
The 5 largest ethnic groups in Oak Grove, IL are White (Non-Hispanic) (94.9%), White (Hispanic) (4.25%), American Indian & Alaska Native (Non-Hispanic) (0.567%), Two+ (Non-Hispanic) (0.283%), and Black or African American (Non-Hispanic) (0%).
None of the households in Oak Grove, 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 Oak Grove, IL are U.S. citizens.
In 2021, the median property value in Oak Grove, IL was $9,999, and the homeownership rate was 86.4%.
Most people in Oak Grove, IL drove alone to work, and the average commute time was 28 minutes. The average car ownership in Oak Grove, IL was 2 cars per household.