ZIP code · Quinn · South Dakota · United States

ZIP code 57775 — Quinn

ZIP code 57775 serves Quinn, South Dakota.

Postal code
57775
Single source Value from one source, not cross-checked.
City
Quinn
County
Pennington FIPS 46103
State
South Dakota
Country
United States
Coordinates
44.1035, -102.0159 — precision precise (locality)
View on OpenStreetMap
Population
396 (ZCTA, ACS 5-year)
Population density
1 / sq mi
Land area
291.3 sq mi (754.5 km²) (ZCTA, ACS 5-year)
Median household income
$95,341
Per-capita income
$37,627
Median age
32.3
Households
97
Housing units
133
Median home value
$179,200
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 88°F), coldest Jan (avg low 8°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F333748586879888878624736
Avg low °F81120304253595645311910
Precip in0.40.61.02.02.93.12.11.61.21.50.50.5

NOAA 1991–2020 climate normals from the nearest station: COTTONWOOD 2 E (12.5 mi) · NOAA NCEI

Places in ZIP 57775

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