Knox County Flag

Knox County

State:
Ohio
County Seat:
Mount Vernon

Knox County's estimated 2025 population is 63,568 with a growth rate of 0.2% in the past year according to the most recent United States census data. Knox County is the 40th largest county in Ohio. The 2010 population was 61,087 and has seen a growth of 4.06% since that time.

63,568
Total Population
121
Population Density (mi²)
40
Population Rank (State)
124 0.2%
Annual Population Growth

Knox County Population

Demographics

Economics and Income Statistics