Greenville, Ohio

Greenville
Nickname: 
"The Treaty City"
Interactive map of Greenville
Greenville
Greenville
Coordinates: 40°07′10″N 84°37′33″W / 40.11944°N 84.62583°W / 40.11944; -84.62583
CountryUnited States
StateOhio
CountyDarke
Government
 • MayorJeff Whitaker
Area
 • Total
6.71 sq mi (17.39 km2)
 • Land6.65 sq mi (17.23 km2)
 • Water0.062 sq mi (0.16 km2)
Elevation
1,004 ft (306 m)
Population
 (2020)
 • Total
12,786
 • Estimate 
(2023)
12,696
 • Density1,922.0/sq mi (742.09/km2)
Time zoneUTC-5 (Eastern (EST))
 • Summer (DST)UTC-4 (EDT)
ZIP code
45331
Area codes937, 326
FIPS code39-32340
GNIS feature ID2394994
Websitehttp://www.cityofgreenville.org/

Greenville is a city in Darke County, Ohio, United States, and its county seat. It is near Ohio's western edge, about 33 miles (53 km) northwest of Dayton. The population was 12,786 at the 2020 census.