ZIP code · Holt · Michigan · United States

ZIP code 48842 — Holt

ZIP code 48842 serves Holt, Michigan.

Postal code
48842
Single source Value from one source, not cross-checked.
City
Holt
County
Ingham FIPS 26065
State
Michigan
Country
United States
Coordinates
42.6394, -84.5242 — precision precise (locality)
View on OpenStreetMap
Population
21,504 (ZCTA, ACS 5-year)
Population density
1,250 / sq mi
Land area
17.2 sq mi (44.6 km²) (ZCTA, ACS 5-year)
Median household income
$86,830
Per-capita income
$42,265
Median age
39.3
Households
9,012
Housing units
9,573
Median home value
$211,500
Median gross rent
$1,245 / month
Congressional district
MI-7 (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
517
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 °F323445587079838176624837
Avg low °F181927374858616052423224
Precip in2.11.61.73.54.43.83.43.53.23.12.51.6

NOAA 1991–2020 climate normals from the nearest station: EAST LANSING 4 S (3.1 mi) · NOAA NCEI

Places in ZIP 48842

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