ZIP code · Mc Henry · Maryland · United States
ZIP code 21541 — Mc Henry
ZIP code 21541 serves Mc Henry, Maryland.
- Postal code
- 21541Single source Value from one source, not cross-checked.
- City
- Mc Henry
- County
- Garrett FIPS 24023
- State
- Maryland
- Country
- United States
- Coordinates
- 39.5656, -79.3823 — precision estimated (postal-area centroid)
View on OpenStreetMap - Population
- 1,147 (ZCTA, ACS 5-year)
- Population density
- 50 / sq mi
- Land area
- 23.1 sq mi (59.7 km²) (ZCTA, ACS 5-year)
- Median household income
- $65,347
- Per-capita income
- $63,551
- Median age
- 53.9
- Households
- 643
- Housing units
- 2,014
- Median home value
- $245,900
- Median gross rent
- $691 / month
- Congressional district
- MD-6 (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/New_York (UTC−5 / UTC−4 DST)
Tools: compare 21541 with another ZIP · ZIPs within 25 miles · distance from 21541
Map of ZIP code 21541
Climate — monthly normals
Warmest month Jul (avg high 79°F), coldest Jan (avg low 17°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 34 | 38 | 47 | 59 | 68 | 75 | 79 | 76 | 72 | 61 | 49 | 38 |
| Avg low °F | 17 | 18 | 24 | 34 | 44 | 52 | 56 | 55 | 48 | 39 | 29 | 21 |
NOAA 1991–2020 climate normals from the nearest station: SINES DEEP CREEK (3.4 mi) · NOAA NCEI
Places in ZIP 21541
- 1 colleges & universities
- 1 hospitals & clinics
- 1 supermarkets
- 8 restaurants & cafés
- 3 bars & pubs
- 1 parks
- 1 playgrounds
- 3 gyms & sports centres
- 1 post offices
- 3 places of worship
- 2 banks
- 3 gas stations
- 2 EV charging stations
- 1 police & fire stations
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