ZIP code · Ludlow · South Dakota · United States

ZIP code 57755 — Ludlow

ZIP code 57755 serves Ludlow, South Dakota.

Postal code
57755
Single source Value from one source, not cross-checked.
City
Ludlow
County
Harding FIPS 46063
State
South Dakota
Country
United States
Coordinates
45.8366, -103.3491 — precision precise (locality)
View on OpenStreetMap
Population
127 (ZCTA, ACS 5-year)
Population density
0 / sq mi
Land area
254.7 sq mi (659.6 km²) (ZCTA, ACS 5-year)
Median household income
$66,000
Per-capita income
$49,952
Median age
31.9
Households
54
Housing units
69
Median home value
$155,900
Congressional district
SD At-large (119th Congress)
USDA hardiness zone
4b (-25 to -20 °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 (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 84°F), coldest Jan (avg low 9°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F303244556575848473584332
Avg low °F91121304150575545332112
Precip in0.30.30.52.13.03.42.31.41.41.60.50.3

NOAA 1991–2020 climate normals from the nearest station: LUDLOW 3 SSE (3.7 mi) · NOAA NCEI

Places in ZIP 57755

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