ZIP code · Brentford · South Dakota · United States
ZIP code 57429 — Brentford
ZIP code 57429 serves Brentford, South Dakota.
- Postal code
- 57429Single source Value from one source, not cross-checked.
- City
- Brentford
- County
- Spink FIPS 46115
- State
- South Dakota
- Country
- United States
- Coordinates
- 45.1635, -98.3193 — precision precise (locality)
View on OpenStreetMap - Population
- 92 (ZCTA, ACS 5-year)
- Population density
- 7 / sq mi
- Land area
- 14.1 sq mi (36.4 km²) (ZCTA, ACS 5-year)
- Median household income
- $61,250
- Per-capita income
- $41,761
- Median age
- 56.3
- Households
- 47
- Housing units
- 54
- Median home value
- $112,500
- Congressional district
- SD At-large (119th Congress)
- USDA hardiness zone
- 4a (-30 to -25 °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 57429 with another ZIP · ZIPs within 25 miles · distance from 57429
Map of ZIP code 57429
Climate — monthly normals
Warmest month Jul (avg high 84°F), coldest Jan (avg low 2°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 23 | 28 | 40 | 56 | 68 | 78 | 84 | 82 | 74 | 60 | 42 | 29 |
| Avg low °F | 2 | 6 | 19 | 31 | 44 | 55 | 60 | 57 | 48 | 34 | 20 | 8 |
| Precip in | 0.6 | 0.6 | 1.0 | 2.4 | 2.8 | 4.1 | 3.6 | 2.7 | 2.6 | 2.3 | 0.8 | 0.7 |
NOAA 1991–2020 climate normals from the nearest station: CONDE (10.7 mi) · NOAA NCEI
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