ZIP code · Saginaw · Michigan · United States

ZIP code 48638 — Saginaw

ZIP code 48638 serves Saginaw, Michigan.

Postal code
48638
Single source Value from one source, not cross-checked.
City
Saginaw
County
Gladwin FIPS 26145
State
Michigan
Country
United States
Coordinates
43.4343, -84.0091 — precision precise (locality)
View on OpenStreetMap
Population
12,668 (ZCTA, ACS 5-year)
Population density
1,937 / sq mi
Land area
6.5 sq mi (16.9 km²) (ZCTA, ACS 5-year)
Median household income
$63,444
Per-capita income
$42,341
Median age
42.5
Households
5,959
Housing units
6,479
Median home value
$161,200
Median gross rent
$948 / month
Congressional district
MI-8 (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
989
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 83°F), coldest Jan (avg low 16°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F303343566979838274614635
Avg low °F161725354758626052413123
Precip in2.31.92.03.63.63.53.43.52.72.92.62.0

NOAA 1991–2020 climate normals from the nearest station: SAGINAW #3 (3.0 mi) · NOAA NCEI

Places in ZIP 48638

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