ZIP code · Buffalo Gap · South Dakota · United States

ZIP code 57722 — Buffalo Gap

ZIP code 57722 serves Buffalo Gap, South Dakota.

Postal code
57722
Single source Value from one source, not cross-checked.
City
Buffalo Gap
County
Custer FIPS 46033
State
South Dakota
Country
United States
Coordinates
43.4958, -103.3157 — precision estimated (postal-area centroid)
View on OpenStreetMap
Population
172 (ZCTA, ACS 5-year)
Population density
0 / sq mi
Land area
544.7 sq mi (1,410.8 km²) (ZCTA, ACS 5-year)
Median household income
$56,786
Per-capita income
$35,857
Median age
57.7
Households
104
Housing units
173
Median home value
$67,500
Congressional district
SD At-large (119th Congress)
USDA hardiness zone
5a (-20 to -15 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone
America/Denver (UTC−7 / UTC−6 DST)
Area code
605
Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.

Climate — monthly normals

Warmest month Jul (avg high 89°F), coldest Jan (avg low 11°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F384152606980898879645040
Avg low °F111321304150565343312113
Precip in0.40.60.92.03.33.02.42.01.41.30.50.4

NOAA 1991–2020 climate normals from the nearest station: ORAL (6.8 mi) · NOAA NCEI

Places in ZIP 57722

Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page