ZIP code · Black River · Michigan · United States
ZIP code 48721 — Black River
ZIP code 48721 serves Black River, Michigan.
- Postal code
- 48721Single source Value from one source, not cross-checked.
- City
- Black River
- County
- Alcona FIPS 26001
- State
- Michigan
- Country
- United States
- Coordinates
- 44.8138, -83.3407 — precision precise (locality)
View on OpenStreetMap - Population
- 398 (ZCTA, ACS 5-year)
- Population density
- 14 / sq mi
- Land area
- 28 sq mi (72.5 km²) (ZCTA, ACS 5-year)
- Median household income
- $59,063
- Per-capita income
- $38,009
- Median age
- 61.4
- Households
- 211
- Housing units
- 422
- Median home value
- $186,300
- Congressional district
- MI-1 (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 (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.
Tools: compare 48721 with another ZIP · ZIPs within 25 miles · distance from 48721
Map of ZIP code 48721
Climate — monthly normals
Warmest month Aug (avg high 74°F), coldest Feb (avg low 13°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 26 | 28 | 35 | 46 | 57 | 67 | 74 | 74 | 67 | 54 | 42 | 32 |
| Avg low °F | 14 | 13 | 21 | 31 | 42 | 52 | 58 | 58 | 50 | 39 | 30 | 21 |
| Precip in | 1.4 | 1.1 | 1.6 | 3.1 | 3.2 | 3.1 | 3.4 | 3.2 | 2.8 | 2.7 | 1.9 | 1.7 |
NOAA 1991–2020 climate normals from the nearest station: HARRISVILLE 2NNE (9.6 mi) · NOAA NCEI
Places in ZIP 48721
- 1 schools
- 1 restaurants & cafés
- 2 parks
- 1 post offices
- 1 places of worship
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