ZIP code · Saint Johns · Michigan · United States

ZIP code 48879 — Saint Johns

ZIP code 48879 serves Saint Johns, Michigan.

Postal code
48879
Single source Value from one source, not cross-checked.
City
Saint Johns
County
Clinton FIPS 26037
State
Michigan
Country
United States
Coordinates
43.0059, -84.5719 — precision precise (locality)
View on OpenStreetMap
Population
18,472 (ZCTA, ACS 5-year)
Population density
97 / sq mi
Land area
191.3 sq mi (495.4 km²) (ZCTA, ACS 5-year)
Median household income
$78,845
Per-capita income
$38,598
Median age
43.4
Households
7,081
Housing units
7,521
Median home value
$215,100
Median gross rent
$884 / month
Congressional districts
MI-7 (also MI-2) (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 18°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F313344576979838175624736
Avg low °F181926364859626153433324
Precip in2.11.81.93.63.83.43.23.52.93.32.81.8

NOAA 1991–2020 climate normals from the nearest station: SAINT JOHNS (1.0 mi) · NOAA NCEI

Places in ZIP 48879

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