ZIP code · Columbia · South Dakota · United States

ZIP code 57433 — Columbia

ZIP code 57433 serves Columbia, South Dakota.

Postal code
57433
Single source Value from one source, not cross-checked.
City
Columbia
County
Brown FIPS 46013
State
South Dakota
Country
United States
Coordinates
45.6512, -98.3158 — precision precise (locality)
View on OpenStreetMap
Population
384 (ZCTA, ACS 5-year)
Population density
3 / sq mi
Land area
121.4 sq mi (314.4 km²) (ZCTA, ACS 5-year)
Median household income
$71,215
Per-capita income
$39,654
Median age
40.6
Households
193
Housing units
200
Congressional district
SD At-large (119th Congress)
USDA hardiness zone
4a (-30 to -25 °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
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 83°F), coldest Jan (avg low 0°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F222639556878838173584127
Avg low °F051831455660574733197
Precip in0.50.40.91.83.43.63.62.62.42.10.70.5

NOAA 1991–2020 climate normals from the nearest station: COLUMBIA 8 N (5.0 mi) · NOAA NCEI

Places in ZIP 57433

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