Dayton Population 2026

Dayton has a population of 135,512, making it the #207 biggest city in 🇺🇸 United States, located in Ohio. It is about 65× smaller than New York City, the country's biggest city.

WashingtonDayton
Location of Dayton (capital Washington shown for reference). Boundaries: Natural Earth.
Population (city proper)
135,512
Rank in United States
#207
Coordinates
39.76°N, 84.19°W
~225 m elevation · America/New_York
Distance to capital (Washington)
623 km
387 miles, straight line

Other big cities in Ohio

CityPopulationRank in United States
Columbus913,175#14
Cleveland365,379#52
Cincinnati311,097#62
Toledo265,638#77
Akron197,542#127
Parma79,937#458
Canton71,885#530
Youngstown64,628#614

Cities near Dayton

FAQ

What is the population of Dayton?
Dayton has a population of 135,512 (city proper, latest official figure via GeoNames), making it the #207 biggest city in United States.
What state is Dayton in?
Dayton is located in Ohio, United States.
Is Dayton the capital of United States?
No, the capital of United States is Washington D.C., about 623 km away.

Sources & notes

Population refers to the city proper (municipal boundaries), not the metropolitan area. Source: GeoNames (CC BY 4.0), retrieved 2026-07-07. Country data: UN World Population Prospects 2024.

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