In 2021, Third Lake, IL had a population of 1.14k people with a median age of 50.3 and a median household income of $141,000. Between 2020 and 2021 the population of Third Lake, IL declined from 1,160 to 1,137, a −1.98% decrease and its median household income grew from $135,021 to $141,000, a 4.43% increase.
The 5 largest ethnic groups in Third Lake, IL are White (Non-Hispanic) (88.8%), White (Hispanic) (5.1%), American Indian & Alaska Native (Hispanic) (4.49%), Other (Hispanic) (0.704%), and Two+ (Non-Hispanic) (0.528%).
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.
95.8% of the residents in Third Lake, IL are U.S. citizens.
In 2021, the median property value in Third Lake, IL was $274,800, and the homeownership rate was 97.9%.
Most people in Third Lake, IL drove alone to work, and the average commute time was 28.5 minutes. The average car ownership in Third Lake, IL was 2 cars per household.