Greenville, Ohio

Greenville
Nickname: 
"The Treaty City"
Location in Darke County and the state of Ohio.
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
6.72 sq mi (17.39 km2)
  Land6.65 sq mi (17.23 km2)
  Water0.06 sq mi (0.16 km2)
Elevation
1,004 ft (306 m)
Population
 (2020)
  Total
12,786
  Estimate 
(2023)
12,696
  Density1,922.13/sq mi (742.09/km2)
Time zoneUTC-5 (Eastern (EST))
  Summer (DST)UTC-4 (EDT)
ZIP code
45331
Area code(s)937, 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.