Ortonville, Minnesota

Ortonville, Minnesota
Ortonville's historic downtown
Location of Ortonville
within Big Stone County, Minnesota
Coordinates: 45°18′06″N 96°26′29″W / 45.30167°N 96.44139°W / 45.30167; -96.44139
CountryUnited States
StateMinnesota
CountiesBig Stone
Founded1872
Incorporated1881
Area
  Total
4.90 sq mi (12.68 km2)
  Land4.19 sq mi (10.86 km2)
  Water0.70 sq mi (1.82 km2)
Elevation
1,056 ft (322 m)
Population
 (2020)
  Total
2,021
  Estimate 
(2021)
2,011
  Density481.99/sq mi (186.12/km2)
Time zoneUTC-6 (CST)
  Summer (DST)UTC-5 (CDT)
ZIP code
56278
Area code320
FIPS code27-48706
GNIS feature ID2396087
Websitemnortonville.com

Ortonville is a city in and the county seat of Big Stone County in the U.S. state of Minnesota at the southern tip of Big Stone Lake, along the South Dakota border. The population was 2,021 at the 2020 census. Big Stone Lake State Park is nearby.