Dayton Population

1810–2026

136.39K

2026 projection

0.9% since 2020 (decrease)

050K100K150K200K250K300K1850190019502000

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Dayton. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026136,392-2960.22%
2025136,688+4640.34%
2024136,224+2350.17%
2023135,989+120.01%
2022135,977-8080.59%
2021136,785-8590.62%
2020137,644-5430.39%
2019138,187-2550.18%
2018138,442-2120.15%
2017138,654-7140.51%

Showing 10 of 37 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

Dayton has a population change lower than Montgomery County, Ohio, and the U.S.

  • United States+3.1%
  • Ohio+0.9%
  • Montgomery County+0.5%
  • Dayton−0.5%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

Dayton Demographics

34.1median age

Median age

Female34.7 yrs
Male33.5 yrs

Adults

107,420
19,236 seniors (65+) · 18% of adults88,184 other adults

Sex

Female 50.5% · 69,006Male 49.5% · 67,573

Population by age

MaleFemale85+ years, male: 51485+ years, female: 1,52080–84 years, male: 1,03280–84 years, female: 1,13275–79 years, male: 1,62175–79 years, female: 1,66370–74 years, male: 2,31570–74 years, female: 2,98665–69 years, male: 3,19165–69 years, female: 3,26260–64 years, male: 4,42960–64 years, female: 4,53155–59 years, male: 4,13555–59 years, female: 3,90050–54 years, male: 3,47850–54 years, female: 3,25445–49 years, male: 3,45545–49 years, female: 3,68840–44 years, male: 3,81240–44 years, female: 3,63435–39 years, male: 4,46735–39 years, female: 4,65430–34 years, male: 5,07330–34 years, female: 5,19925–29 years, male: 4,77025–29 years, female: 5,93820–24 years, male: 6,69020–24 years, female: 6,12315–19 years, male: 5,93115–19 years, female: 6,19110–14 years, male: 3,95610–14 years, female: 3,8915–9 years, male: 4,3835–9 years, female: 3,1240–4 years, male: 4,3210–4 years, female: 4,31685+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–42K2K4K4K6K6K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 1,366 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Dayton Income

$45,247median household income

Median household income

$45,247

Half of households earn more, half earn less

Median earnings

$39,646

Typical yearly pay for a worker 25 or older.

Poverty rate

26.9%

About 1 in 4 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Dayton Marital Status

26% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married26%27%26%
Never married51%52%49%
Divorced15%15%15%
Widowed5%3%7%
Separated3%2%3%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201

Sources

14 sources

Population

American Community Survey, 2024 5-year

Additional sources