City profile · United States · North America
Dayton
City population
135,512
#211
in United States
#6
in Ohio
#4,202
worldwide
39.759, -84.192 · 623 km from Washington
About Dayton
Dayton is a city in Ohio, United States with a population of 135,512. It is the 211th largest of the 3,112 cities of 15,000 or more listed in United States, and the 4,202nd largest worldwide. It lies 623 km from Washington.
Key Facts
Country
Region
Rank in region
#6of 127
Coordinates
39.759, -84.192
Record updated
15 April 2025
Entry edited, not measured
City population, GeoNames. GeoNames publishes no year for its population figures, so “record updated” is when the entry was last edited — not the date the population was measured.
Nearby Cities
All 3,112 in United StatesClosest listed cities by great-circle distance from the city centre.