ZIP code · Edgemont · South Dakota · United States
ZIP code 57735 — Edgemont
ZIP code 57735 serves Edgemont, South Dakota.
- Postal code
- 57735Single source Value from one source, not cross-checked.
- City
- Edgemont
- County
- Fall River FIPS 46047
- State
- South Dakota
- Country
- United States
- Coordinates
- 43.2874, -103.8110 — precision precise (locality)
View on OpenStreetMap - Population
- 1,715 (ZCTA, ACS 5-year)
- Population density
- 2 / sq mi
- Land area
- 904.5 sq mi (2,342.8 km²) (ZCTA, ACS 5-year)
- Median household income
- $59,485
- Per-capita income
- $31,082
- Median age
- 42.3
- Households
- 677
- Housing units
- 915
- Median home value
- $118,100
- Median gross rent
- $1,011 / month
- 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
- 605Telephone 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.
Tools: compare 57735 with another ZIP · ZIPs within 25 miles · distance from 57735
Map of ZIP code 57735
Climate — monthly normals
Warmest month Jul (avg high 89°F), coldest Jan (avg low 4°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 34 | 38 | 50 | 59 | 69 | 80 | 89 | 87 | 78 | 62 | 47 | 35 |
| Avg low °F | 4 | 8 | 18 | 27 | 38 | 48 | 55 | 52 | 42 | 27 | 15 | 5 |
| Precip in | 0.4 | 0.5 | 0.9 | 1.8 | 2.6 | 2.6 | 2.2 | 1.5 | 1.2 | 1.3 | 0.6 | 0.4 |
NOAA 1991–2020 climate normals from the nearest station: EDGEMONT (1.9 mi) · NOAA NCEI
Places in ZIP 57735
- 9 schools
- 3 parks
- 1 playgrounds
- 1 libraries
- 1 post offices
- 2 gas stations
- 2 police & fire stations
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