In 2023, Lanark, IL had a population of 1.51k people with a median age of 36.9 and a median household income of $66,250. Between 2022 and 2023 the population of Lanark, IL declined from 1,553 to 1,510, a −2.77% decrease and its median household income declined from $67,031 to $66,250, a −1.17% decrease.
The 5 largest ethnic groups in Lanark, IL are White (Non-Hispanic) (93%), Two+ (Non-Hispanic) (2.12%), White (Hispanic) (1.72%), Two+ (Hispanic) (1.66%), and Other (Hispanic) (0.596%).
None of the households in Lanark, 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 Lanark, IL are U.S. citizens.
Most people in Lanark, IL drove alone to work, and the average commute time was 24.8 minutes. The average car ownership in Lanark, IL was 2 cars per household.