ZIP code · Wall · South Dakota · United States

ZIP code 57790 — Wall

ZIP code 57790 serves Wall, South Dakota.

Postal code
57790
Single source Value from one source, not cross-checked.
City
Wall
County
Pennington FIPS 46103
State
South Dakota
Country
United States
Coordinates
43.9812, -102.2245 — precision precise (locality)
View on OpenStreetMap
Population
1,074 (ZCTA, ACS 5-year)
Population density
1 / sq mi
Land area
735.9 sq mi (1,906 km²) (ZCTA, ACS 5-year)
Median household income
$73,077
Per-capita income
$39,964
Median age
41.1
Households
384
Housing units
512
Median home value
$187,500
Median gross rent
$532 / month
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 9°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F353950607080898879634937
Avg low °F91322334454605847342112
Precip in0.30.50.91.93.52.72.31.61.21.80.60.3

NOAA 1991–2020 climate normals from the nearest station: WASTA (12.7 mi) · NOAA NCEI

Places in ZIP 57790

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