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Census place · GEOID 4644032 · Lawrence County

Mountain Plains, SD ZIP codes

1 ZIP/ZCTA intersecting this Census place (CDP) in Lawrence County.

ACS 2023 population

412

Median household income

$166,641

Median home value

$606,100

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Mountain Plains (GEOID 4644032). Methodology

Combined population of ZIP/ZCTAs intersecting this place: 16,929 (1 ZIPs).

Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology

ZIP/ZCTA overlap with Mountain Plains

Population overlap

Share of each ZIP/ZCTA’s population located within Mountain Plains, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.

ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

ZIP codes intersecting Mountain Plains

ZIPCityCountyPopulationIncome
57783SpearfishLawrence County16,929$64,970