Source: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer. Rankings among the 50 states.
Historical data
Pick an indicator to see its long-run evolution.
Population
1850–2024U.S. Census (decennial), 1850–2020 + estimates.
Population pyramid
Ohio's civilian population by sex and five-year age group. Choose a year to see how the age structure has changed.
Tap an age group in the pyramid to see its detail.
Under 15
2,104,479 (17.7%)
15 to 64
7,502,858 (63.2%)
65 and older
2,269,539 (19.1%)
Source: U.S. Census Bureau, SC-EST2020 and SC-EST2024 age and sex estimates (civilian population, July 1).
Age, sex and longevity
The main indicators describing Ohio's age structure, sex distribution and life expectancy.
| Median age | 39.6 years | |
| Female | 50.7% | |
| Male | 49.3% | |
| Under 18 | 21.6% | |
| 65 and older | 18.2% | |
| Life expectancy | 75.9 years |
Population, households and density
How many people and households live in Ohio, how concentrated they are and how the population is changing.
| Total population | 11.88 M | 7th in the U.S. |
| Density | 102 /km² | 10th in the U.S. |
| Households | 4.8 M | |
| Urban population | 77.9% | |
| Largest metro | Columbus (2.18 M) | |
| Growth | +0.2%/yr | 2020–2024 |
Race, ethnicity and origin
Ohio remains majority White non-Hispanic, with a large Black population in its three biggest metros and a small but fast-growing Hispanic and Asian presence.
| White (non-Hispanic) | 76.0% | |
| Black or African American | 13.1% | |
| Hispanic or Latino | 4.6% | ≈ 545,000 |
| Asian | 2.7% | |
| Two or more races | 3.2% | |
| Native American | 0.2% | |
| Pacific Islander | 0.1% | |
| German ancestry | ≈ 26% | Largest ancestry group |
| Irish ancestry | ≈ 12% | |
| Mexican origin | ≈ 2.4% | Largest Hispanic subgroup |