Mountain Plains, South Dakota

Mountain Plains is an unincorporated area and census-designated place (CDP) in Lawrence County, South Dakota, United States. The population was 327 at the 2020 census.^[4] It was first listed as a CDP prior to the 2020 census.^[2]

Mountain Plains, South Dakota
Census-designated place
Mountain Plains Show map of South Dakota Mountain Plains Show map of the United States
Coordinates: 44°28′13″N 103°51′57″W
Country	United States
State	South Dakota
County	Lawrence
Area [1]
• Total	1.59 sq mi (4.13 km2)
• Land	1.59 sq mi (4.13 km2)
• Water	0.00 sq mi (0.00 km2)
Elevation [2]	4,278 ft (1,304 m)
Population  (2020)[3]
• Total	327
• Density	205.02/sq mi (79.18/km2)
Time zone	UTC-7 (Mountain (MST))
• Summer (DST)	UTC-6 (MDT)
ZIP Code	57783 (Spearfish)
Area code	605
FIPS code	46-44032
GNIS feature ID	2804706[2]

It is in the northern part of the county, on the northern edge of the Black Hills. It is bordered to the north by the city of Spearfish. U.S. Route 14A forms the eastern edge of the CDP, following the canyon of Spearfish Creek.

Demographics

Historical population

Census	Pop.	Note	%±
2020	327		—
U.S. Decennial Census[5]

Education

It is in the Spearfish School District 40-2.^[6]