In 2021, Spring Bay, IL had a population of 438 people with a median age of 46.7 and a median household income of $39,792. Between 2020 and 2021 the population of Spring Bay, IL declined from 473 to 438, a −7.4% decrease and its median household income grew from $38,571 to $39,792, a 3.17% increase.
The 5 largest ethnic groups in Spring Bay, IL are White (Non-Hispanic) (97.3%), Two+ (Non-Hispanic) (1.37%), Asian (Non-Hispanic) (0.685%), American Indian & Alaska Native (Non-Hispanic) (0.457%), and Black or African American (Non-Hispanic) (0.228%).
None of the households in Spring Bay, 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 Spring Bay, IL are U.S. citizens.
In 2021, the median property value in Spring Bay, IL was $117,100, and the homeownership rate was 70.6%.
Most people in Spring Bay, IL drove alone to work, and the average commute time was 23.6 minutes. The average car ownership in Spring Bay, IL was 2 cars per household.