Demographics · OH
Dayton, OH demographics: 136,579 residents, with a median age of 34.1 years, from the U.S. Census Bureau's American Community Survey 2020–2024 (5-year estimates).
136,579people are estimated in Dayton, at a median age of 34.1 years (American Community Survey 2020–2024 period estimate)
Median age 34.1 years — younger than the U.S. median of 38.9.
ACS 2020–2024 5-year · ACS 5-Year Estimates 2020-2024 (released 2026-01-29)
In Dayton, the largest race group is White (51.0%); 5.7% of residents are Hispanic or Latino (of any race); 5.3% were born outside the United States.
ACS 2020–2024 · B01001 / B01002
The estimated median age in Dayton is 34.1 years (±1.0), compared with the U.S. estimate of 38.9 ± 0.1 years. These are descriptive comparisons, not significance tests. The population is 49.5% ± 1.0 percentage points male and 50.5% ± 1.0 percentage points female. The largest age band is 25 to 34 at 15.4%.
| Age band | People | Share | ± margin |
|---|---|---|---|
| Under 5 | 8,637 | 6.3% ± 0.6 percentage points | ±766 |
| 5 to 17 | 20,522 | 15.0% ± 0.8 percentage points | ±1,158 |
| 18 to 24 | 19,767 | 14.5% ± 0.9 percentage points | ±1,258 |
| 25 to 34 | 20,980 | 15.4% ± 0.8 percentage points | ±1,103 |
| 35 to 44 | 16,567 | 12.1% ± 0.7 percentage points | ±995 |
| 45 to 54 | 13,875 | 10.2% ± 0.6 percentage points | ±831 |
| 55 to 64 | 16,995 | 12.4% ± 0.8 percentage points | ±1,083 |
| 65 to 74 | 11,754 | 8.6% ± 0.6 percentage points | ±802 |
| 75 and over | 7,482 | 5.5% ± 0.5 percentage points | ±645 |
Median age by sex: 33.5 (male) · 34.7 (female).
Shares may not sum to 100% due to rounding. Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B01001 sex by age, B01002 median age) · place-grain · margins of error at the 90% confidence level · methodology →
ACS 2020–2024 · B02001 / B03003
The largest race group in Dayton is White at 51.0% of the population. Separately, 5.7% of residents are Hispanic or Latino of any race.Race and Hispanic origin are two different questions on the census form, so their shares are reported separately and are not additive.
| Race (alone, or two or more) | People | Share | ± margin |
|---|---|---|---|
| White alone | 69,675 | 51.0% ± 1.4 percentage points | ±1,928 |
| Black or African American alone | 51,560 | 37.8% ± 1.3 percentage points | ±1,802 |
| American Indian & Alaska Native alone | 260 | 0.2% ± 0.1 percentage points | ±139 · low precision |
| Asian alone | 1,920 | 1.4% ± 0.3 percentage points | ±371 |
| Native Hawaiian & Pacific Islander alone | 39 | 0.0% ± 0.0 percentage points | ±57 · low precision |
| Some other race alone | 3,263 | 2.4% ± 0.6 percentage points | ±761 |
| Two or more races | 9,862 | 7.2% ± 0.9 percentage points | ±1,187 |
| Hispanic or Latino (of any race) | 7,759 | 5.7% ± 0.7 percentage points | ±907 |
Race shares may not sum to 100% due to rounding; race and Hispanic origin are separate questions and are not additive. Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B02001 race, B03003 Hispanic or Latino origin) · place-grain · margins of error at the 90% confidence level · methodology →
ACS 2020–2024 · B11001 / B25010
Dayton has 58,477 households. 48.3% are family households and 42.9% are people living alone. The average household holds 2.12 people.
Total households
58,477
ACS 2020–2024 5-yr · B11001
Avg household size
2.12
ACS 2020–2024 5-yr · B25010 · ±0.05
Family households
48.3% ± 1.0 percentage points
Share of all households · B11001
Living alone
42.9% ± 1.9 percentage points
Share of all households · B11001
| Household type | Households | ± margin |
|---|---|---|
| Total households | 58,477 | ±1,345 |
| Family households | 28,243 | ±868 |
| Nonfamily households | 30,234 | ±1,362 |
| Householder living alone | 25,075 | ±1,234 |
Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B11001 household type, B25010 average household size) · place-grain · methodology →
ACS 2020–2024 · B05002 / C16001
5.3% of Dayton residents were born outside the United States. 92.0% of residents age 5 and over speak only English at home. The most-spoken non-English language at home is Spanish (4.2%).
| Measure | Value | Source / grain |
|---|---|---|
| Foreign-born share | 5.3% ± 0.7 percentage points | 7,290 people · B05002 |
| Speak only English at home (age 5+) | 92.0% ± 1.0 percentage points | C16001 |
| Top non-English language at home | 4.2% ± 0.6 percentage points | Spanish · 5,315 speakers · C16001 |
Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B05002 place of birth, C16001 language spoken at home) · place-grain · methodology →
ACS 2020–2024 · B15003
21.6% ± 1.3 percentage points of adults age 25 and over in Dayton hold a bachelor's degree or higher. The U.S. estimate is 35.7%.
| Measure | Value | Source / grain |
|---|---|---|
| Bachelor's degree or higher (age 25+) | 21.6% | B15003 lines 22–25 over line 1 · place-grain |
Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B15003 educational attainment, population 25+) · place-grain · methodology →
Sources · provenance
The GEOID for Dayton is 3921000. Every figure on this page is a place-grain American Community Survey 5-Year 2020–2024 estimate (ACS 5-Year Estimates 2020-2024 (released 2026-01-29)) shown with its margin of error. Full per-dataset detail: /sources/.