Largest by population in Ohio
Ohio counties and cities ranked by population.
This page ranks the counties and cities of Ohio by population — which have the most people, according to the US Census Bureau's American Community Survey 5-year estimates.
Among counties, Franklin County leads at 1,321,635.
Among cities & places, Columbus leads at 906,480.
Counties
Cities & places
Top 100.Nationwide
1Other rankings in Ohio
20- Most densely populated in Ohio
- Highest median household income in Ohio
- Highest median home value in Ohio
- Most affordable home values in Ohio
- Highest median gross rent in Ohio
- Cheapest median gross rent in Ohio
- Oldest by median age in Ohio
- Youngest by median age in Ohio
- Most college-educated in Ohio
- Highest poverty rate in Ohio
- Lowest poverty rate in Ohio
- Highest homeownership rate in Ohio
- Lowest homeownership rate in Ohio
- Longest commutes in Ohio
- Shortest commutes in Ohio
- Largest households in Ohio
- Newest housing in Ohio
- Oldest housing in Ohio
- Fastest-growing (2019–2023) in Ohio
- Fastest-shrinking (2019–2023) in Ohio