In 2023, Third Lake, IL had a population of 1.2k people with a median age of 50.1 and a median household income of $150,893. Between 2022 and 2023 the population of Third Lake, IL declined from 1,214 to 1,203, a −0.906% decrease and its median household income declined from $152,593 to $150,893, a −1.11% decrease.
The 5 largest ethnic groups in Third Lake, IL are White (Non-Hispanic) (82.9%), American Indian & Alaska Native (Hispanic) (5.82%), White (Hispanic) (5.4%), Two+ (Non-Hispanic) (1.91%), and Two+ (Hispanic) (1.75%).
None of the households in Third Lake, 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.
96.6% of the residents in Third Lake, IL are U.S. citizens.
In 2023, the median property value in Third Lake, IL was $329,500, and the homeownership rate was 99.2%.
Most people in Third Lake, IL drove alone to work, and the average commute time was 29.5 minutes. The average car ownership in Third Lake, IL was 2 cars per household.