Browse / United States / South Dakota / Mountain Plains
Mountain Plains
South DakotaCDP
Total population
350
Median home value
$613,200
Bachelor's+
Median income
$248,558
Air quality index
Demographic figures from US Census Bureau · ACS 5-year estimates. Overview below cites Wikipedia and may reference a different year.
City facts
Overview
Mountain Plains is a small census-designated community located in South Dakota, United States. Public datasets list a population of roughly 350. On the world map it falls within the Western Hemisphere, specifically at 44.467°, -103.864°. Total area is recorded as a compact 4.1 km². Climatically, locations at this latitude tend to experience four distinct seasons with warm summers and cold winters. Open solar datasets indicate about 1,551 kWh/m² of solar irradiance per year, combined with sunshine for roughly 61% of daylight hours. That works out to roughly 85 residents per square kilometre — a sparse settlement pattern. Read on for charts and tables covering demographics, climate, hazards, schools, wildlife and other open-data indicators for Mountain Plains.
Summary composed automatically from structured open data on this page. See our Terms for details.
History & geography
Demographics & economy
Race & ethnicity
Source: US Census Bureau — American Community Survey, 5-year estimates.
Geography
Coordinates & boundaries from the US Census TIGER/Line shapefiles.
Climate
Current forecast
Forecast for Mountain Plains, SD from NOAA NWS API.
Air quality
Current readings from Open-Meteo Air Quality API (Copernicus CAMS European reanalysis).
Industrial & pollution facilities
Natural hazard risk
Health (adults)
Walkability
Amenities nearby
Wildlife & biodiversity
Most-observed species
- American RobinTurdus migratorius Linnaeus, 1766 · Aves1,522
- Black-capped ChickadeePoecile atricapillus (Linnaeus, 1766) · Aves1,208
- Turkey VultureCathartes aura (Linnaeus, 1758) · Aves1,123
- Blue JayCyanocitta cristata (Linnaeus, 1758) · Aves911
- Song SparrowMelospiza melodia (A.Wilson, 1810) · Aves805
- American RedstartSetophaga ruticilla (Linnaeus, 1758) · Aves738
- Red-breasted NuthatchSitta canadensis Linnaeus, 1766 · Aves731
- Black-headed GrosbeakPheucticus melanocephalus (Swainson, 1827) · Aves637
Citizen-science & research observations from the Global Biodiversity Information Facility (GBIF).
Schools
Earthquake history
Most recent
- M 3.6 — 2025-03-097 km W of Fairburn, South Dakota
- M 3 — 2024-06-2922 km ESE of Hill View Heights, Wyoming
- M 3.5 — 2019-03-1110 km WSW of Upton, Wyoming
- M 3.5 — 2013-12-1210 km WSW of Hermosa, South Dakota
- M 2.6 — 2012-06-2121 km NNW of Moorcroft, Wyoming
- M 2.9 — 2012-01-2619 km WSW of Osage, Wyoming
Events from the USGS Earthquake Catalog (global) (FDSN Event Web Service).
Photos
Sights & places nearby
Notable people from here



People born within ~10 km, from Wikidata (CC0). Click any name for their Wikipedia article.
Nearby places in South Dakota
- Spearfish2.8 mi away
- North Spearfish3.6 mi away
- St. Onge8.9 mi away · pop. 40
- Deadwood9 mi away · pop. 1,209
- Crook City11 mi away · pop. 279
- Belle Fourche13.6 mi away · pop. 5,804
- Sturgis18.3 mi away · pop. 7,086
- Nisland20.9 mi away
- Blucksberg Mountain21.5 mi away · pop. 692
- Vale25.2 mi away · pop. 73
- Colonial Pine Hills41.5 mi away
- Box Elder45.9 mi away · pop. 12,902
Geography & sun
Elevation, sunrise/sunset and daylight from Open-Meteo. Solar climatology from NASA POWER.
Nearby airports
Public attention
Pageview totals from the Wikimedia Pageviews API.
Books about Mountain Plains





Search results from Open Library.
Recent natural events nearby
- Wildfire Fairpoint, Meade, South DakotaWildfires · 2026-07-27 · 54 mi
- Wildfire Kohns, Campbell, WyomingWildfires · 2026-07-27 · 61 mi
- Wildfire Duhamel, Pennington, South DakotaWildfires · 2026-07-29 · 79 mi
- Wildfire XU Hill, Oglala Lakota, South DakotaWildfires · 2026-08-11 · 92 mi
- Wildfire Montgomery Draw, Campbell, WyomingWildfires · 2026-08-06 · 99 mi
- Wildfire Potato Creek, Jackson, South DakotaWildfires · 2026-08-01 · 109 mi
- Wildfire Potato Creek, Jackson, South DakotaWildfires · 2026-07-27 · 109 mi
- Wildfire Rancher fire, Oglala Lakota, South DakotaWildfires · 2026-08-11 · 110 mi
Wildfires, storms and other events from NASA EONET (last 12 months, within 250 mi).
Ground air-quality sensors
Recently spotted species
Nearest stream gauge
Events
Gallery
Sources
- • US Census Bureau (ACS 5-year estimates)
- • NOAA National Weather Service
- • Wikidata
- • Open-Meteo Air Quality (CAMS)
- • USGS Earthquake Catalog (global feed)
- • GBIF (Global Biodiversity Information Facility)
- • Open-Meteo / sunrise-sunset.org
- • Wikipedia Pageviews API
- • Open Library
- • NASA EONET