ZIP code · Ramona · South Dakota · United States
ZIP code 57054 — Ramona
ZIP code 57054 serves Ramona, South Dakota.
- Postal code
- 57054Single source Value from one source, not cross-checked.
- City
- Ramona
- County
- Lake FIPS 46079
- State
- South Dakota
- Country
- United States
- Coordinates
- 44.1229, -97.2349 — precision precise (locality)
View on OpenStreetMap - Population
- 698 (ZCTA, ACS 5-year)
- Population density
- 6 / sq mi
- Land area
- 116.2 sq mi (301 km²) (ZCTA, ACS 5-year)
- Median household income
- $88,839
- Per-capita income
- $46,106
- Median age
- 33.5
- Households
- 269
- Housing units
- 315
- Median home value
- $108,700
- 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/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.
Tools: compare 57054 with another ZIP · ZIPs within 25 miles · distance from 57054
Map of ZIP code 57054
Climate — monthly normals
Warmest month Jul (avg high 83°F), coldest Jan (avg low 5°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 24 | 29 | 41 | 56 | 68 | 78 | 83 | 81 | 73 | 59 | 42 | 29 |
| Avg low °F | 5 | 10 | 22 | 33 | 46 | 57 | 61 | 58 | 50 | 36 | 23 | 11 |
| Precip in | 0.5 | 0.7 | 1.0 | 2.7 | 3.7 | 4.2 | 3.3 | 3.4 | 3.2 | 2.2 | 0.8 | 0.6 |
NOAA 1991–2020 climate normals from the nearest station: MADISON 2SE (11.6 mi) · NOAA NCEI
Places in ZIP 57054
- 1 restaurants & cafés
- 1 bars & pubs
- 1 post offices
- 4 places of worship
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