Rank

2742of 3,144

Mercer, Illinois

Score 5.12 / 10· population 15,487

About 15,500 people live in Mercer, Illinois. It ranks #2,742 of 3,144 counties for liberty, and #33 of 102 in Illinois. The combined sales tax is 7.25%, higher than in 71% of counties. Property tax takes about 1.77% of a home's value each year, more than in 96% of counties. Local government employs a larger share of working residents than in 62% of counties. The homicide rate is lower than in 77% of counties. Life expectancy is about 77.4 years, longer than in 69% of counties. Air quality is worse than in 83% of counties (a typical day's air quality index is 47), and flood and hurricane risk is lower than in 92% of counties. On this site's state scores, Illinois gets 5.58 of 10 for economic freedom, based on the Fraser Institute's ranking, and 0 of 10 for gun rights.

v4 — beta, 30 October 2026, sourced values