ZIP code · Hamill · South Dakota · United States

ZIP code 57534 — Hamill

ZIP code 57534 serves Hamill, South Dakota.

Postal code
57534
Single source Value from one source, not cross-checked.
City
Hamill
County
Tripp FIPS 46123
State
South Dakota
Country
United States
Coordinates
43.6439, -99.6918 — precision precise (locality)
View on OpenStreetMap
Population
118 (ZCTA, ACS 5-year)
Population density
1 / sq mi
Land area
215 sq mi (556.9 km²) (ZCTA, ACS 5-year)
Median household income
$33,164
Per-capita income
$27,437
Median age
63.2
Households
67
Housing units
108
Median home value
$116,400
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/Chicago (UTC−6 / UTC−5 DST)
Area code
605 (from the nearest rate centre)
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 90°F), coldest Jan (avg low 15°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F353950607182908779644937
Avg low °F151726364758646253392718
Precip in0.20.30.82.13.43.72.42.51.81.50.40.3

NOAA 1991–2020 climate normals from the nearest station: WINNER WILEY FLD (19.1 mi) · NOAA NCEI

Places in ZIP 57534

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