ZIP code · Tyndall · South Dakota · United States
ZIP code 57066 — Tyndall
ZIP code 57066 serves Tyndall, South Dakota.
- Postal code
- 57066Single source Value from one source, not cross-checked.
- City
- Tyndall
- County
- Bon Homme FIPS 46009
- State
- South Dakota
- Country
- United States
- Coordinates
- 42.9900, -97.8633 — precision precise (locality)
View on OpenStreetMap - Population
- 1,401 (ZCTA, ACS 5-year)
- Population density
- 12 / sq mi
- Land area
- 114.2 sq mi (295.8 km²) (ZCTA, ACS 5-year)
- Median household income
- $53,125
- Per-capita income
- $30,144
- Median age
- 49.5
- Households
- 601
- Housing units
- 751
- Median home value
- $101,900
- Median gross rent
- $805 / month
- 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 57066 with another ZIP · ZIPs within 25 miles · distance from 57066
Map of ZIP code 57066
Climate — monthly normals
Warmest month Jul (avg high 86°F), coldest Jan (avg low 9°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 29 | 34 | 46 | 58 | 70 | 81 | 86 | 83 | 76 | 62 | 46 | 33 |
| Avg low °F | 9 | 13 | 23 | 34 | 47 | 58 | 63 | 60 | 51 | 37 | 24 | 14 |
| Precip in | 0.6 | 0.8 | 1.4 | 2.9 | 4.0 | 3.4 | 3.3 | 3.3 | 2.7 | 2.2 | 1.0 | 0.8 |
NOAA 1991–2020 climate normals from the nearest station: TYNDALL (0.4 mi) · NOAA NCEI
Places in ZIP 57066
- 3 schools
- 1 hospitals & clinics
- 1 restaurants & cafés
- 3 parks
- 1 playgrounds
- 1 gyms & sports centres
- 1 libraries
- 1 post offices
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