ZIP code · Grand Blanc · Michigan · United States

ZIP code 48439 — Grand Blanc

ZIP code 48439 serves Grand Blanc, Michigan.

Postal code
48439
Single source Value from one source, not cross-checked.
City
Grand Blanc
County
Genesee FIPS 26049
State
Michigan
Country
United States
Coordinates
42.9282, -83.6264 — precision precise (locality)
View on OpenStreetMap
Population
52,071 (ZCTA, ACS 5-year)
Population density
955 / sq mi
Land area
54.5 sq mi (141.2 km²) (ZCTA, ACS 5-year)
Median household income
$88,505
Per-capita income
$46,577
Median age
42.1
Households
21,286
Housing units
22,101
Median home value
$250,800
Median gross rent
$1,035 / month
Congressional districts
MI-8 (also MI-9) (119th Congress)
USDA hardiness zone
6a (-10 to -5 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone
America/Detroit (UTC−5 / UTC−4 DST)
Area code
810
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 82°F), coldest Jan (avg low 15°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F303344566978828074604735
Avg low °F151624344656595851403122
Precip in2.11.52.03.03.73.13.73.23.02.72.31.9

NOAA 1991–2020 climate normals from the nearest station: GOODRICH (6.0 mi) · NOAA NCEI

Places in ZIP 48439

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