In 2021, Grantfork, IL had a population of 460 people with a median age of 39.8 and a median household income of $93,750. Between 2020 and 2021 the population of Grantfork, IL declined from 475 to 460, a −3.16% decrease and its median household income grew from $85,313 to $93,750, a 9.89% increase.
The 5 largest ethnic groups in Grantfork, IL are White (Non-Hispanic) (98%), White (Hispanic) (1.09%), Asian (Non-Hispanic) (0.652%), Two+ (Non-Hispanic) (0.217%), and Black or African American (Non-Hispanic) (0%).
None of the households in Grantfork, 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 Grantfork, IL are U.S. citizens.
In 2021, the median property value in Grantfork, IL was $155,600, and the homeownership rate was 95.6%.
Most people in Grantfork, IL drove alone to work, and the average commute time was 25.9 minutes. The average car ownership in Grantfork, IL was 2 cars per household.