Rank

752of 3,144

Mercer, Ohio

Score 6.75 / 10· population 42,439

About 42,400 people live in Mercer, Ohio. It ranks #752 of 3,144 counties for liberty, and #4 of 88 in Ohio. The combined sales tax is 7.25%, higher than in 71% of counties. Property tax takes about 0.98% of a home's value each year, more than in 69% of counties. Local government employs a larger share of working residents than in 59% of counties. The homicide rate is lower than in 66% of counties. Life expectancy is about 78.4 years, longer than in 78% of counties. Air quality is worse than in 71% of counties (a typical day's air quality index is 45), and flood and hurricane risk is lower than in 70% of counties. On this site's state scores, Ohio gets 6.08 of 10 for economic freedom, based on the Fraser Institute's ranking, and 10 of 10 for gun rights.

v4 — beta, 30 October 2026, sourced values

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Eleven factors

Government behavior

  1. Fraser Institute state ranking (state)6.1
  2. 2A (state)10.0
  3. GOP + LP vote for President8.3
  4. Sales tax3.4
  5. Property tax5.1

Environment

  1. Air quality5.5
  2. Floods / hurricanes5.8

Private behavior

  1. Homicide rate9.2
  2. Life expectancy8.4
  3. Government employees3.9
  4. Single-parent households9.6

Neighbors