ZIP code · Fairfax · South Dakota · United States

ZIP code 57335 — Fairfax

ZIP code 57335 serves Fairfax, South Dakota.

Postal code
57335
Single source Value from one source, not cross-checked.
City
Fairfax
County
Gregory FIPS 46053
State
South Dakota
Country
United States
Coordinates
43.0351, -98.8308 — precision precise (locality)
View on OpenStreetMap
Population
313 (ZCTA, ACS 5-year)
Population density
3 / sq mi
Land area
102.8 sq mi (266.1 km²) (ZCTA, ACS 5-year)
Median household income
$85,000
Per-capita income
$36,744
Median age
43.5
Households
138
Housing units
166
Median home value
$121,300
Median gross rent
$750 / 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
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.

Climate — monthly normals

Warmest month Jul (avg high 87°F), coldest Jan (avg low 11°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F313647586980878576624734
Avg low °F111423344557626051372415
Precip in0.40.71.43.14.33.93.22.82.92.00.90.3

NOAA 1991–2020 climate normals from the nearest station: BONESTEEL (6.7 mi) · NOAA NCEI

Places in ZIP 57335

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