ZIP code · Reliance · South Dakota · United States
ZIP code 57569 — Reliance
ZIP code 57569 serves Reliance, South Dakota.
- Postal code
- 57569Single source Value from one source, not cross-checked.
- City
- Reliance
- County
- Lyman FIPS 46085
- State
- South Dakota
- Country
- United States
- Coordinates
- 43.8789, -99.6032 — precision precise (locality)
View on OpenStreetMap - Population
- 357 (ZCTA, ACS 5-year)
- Population density
- 1 / sq mi
- Land area
- 357.5 sq mi (925.9 km²) (ZCTA, ACS 5-year)
- Median household income
- $59,659
- Per-capita income
- $31,566
- Median age
- 43.6
- Households
- 147
- Housing units
- 176
- Median home value
- $114,000
- 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
- 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 57569 with another ZIP · ZIPs within 25 miles · distance from 57569
Map of ZIP code 57569
Climate — monthly normals
Warmest month Jul (avg high 90°F), coldest Jan (avg low 9°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 32 | 36 | 49 | 62 | 72 | 82 | 90 | 88 | 80 | 64 | 47 | 34 |
| Avg low °F | 9 | 13 | 23 | 33 | 45 | 56 | 61 | 59 | 50 | 36 | 22 | 13 |
| Precip in | 0.5 | 0.6 | 1.0 | 2.3 | 3.3 | 3.5 | 2.8 | 2.3 | 1.7 | 1.6 | 0.7 | 0.5 |
NOAA 1991–2020 climate normals from the nearest station: KENNEBEC (12.8 mi) · NOAA NCEI
Places in ZIP 57569
- 5 schools
- 3 parks
- 1 post offices
- 4 places of worship
- 1 gas 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