Map of Eureka city, South Dakota

Eureka is a city in western McPherson County, South Dakota, United States, near the North Dakota state line. The population was 813 at the 2020 census.

Eureka city overview:
Name:	Eureka city
LSAD Code:	25
LSAD Description:	city (suffix)
State:	South Dakota
County:	McPherson County
Incorporated:	1892
Elevation:	1,890 ft (576 m)
Total Area:	1.00 sq mi (2.59 km²)
Land Area:	0.93 sq mi (2.42 km²)
Water Area:	0.07 sq mi (0.17 km²)
Total Population:	813
Population Density:	871.38/sq mi (336.45/km²)
ZIP code:	57437
Area code:	605
FIPS code:	4620180
GNISfeature ID:	1265640
Website:	www.eurekasd.com

Online Interactive Map

Eureka online map. Source: Basemap layers from Google Map, Open Street Map (OSM), Arcgisonline, Wmflabs. Boundary Data from Database of Global Administrative Areas.

Eureka location map. Where is Eureka city?

Eureka location on the U.S. Map. Where is Eureka city. — Eureka location on the U.S. Map.

Eureka location on the South Dakota map. Where is Eureka city. — Location of Eureka in South Dakota.

History

Eureka was laid out in 1887, and named “Eureka”, a Greek exclamation meaning “I have found it!”

Eureka Road Map

Eureka city Satellite Map

Geography

Eureka is located at 45°46′9″N 99°37′19″W / 45.76917°N 99.62194°W / 45.76917; -99.62194 (45.769069, -99.621953).

According to the United States Census Bureau, the city has a total area of 1.00 square mile (2.59 km), of which 0.93 square miles (2.41 km) is land and 0.07 square miles (0.18 km) is water.

Eureka has been assigned the ZIP code 57437 and the FIPS place code 20180.