ZIP code · Galena · Maryland · United States
ZIP code 21635 — Galena
ZIP code 21635 serves Galena, Maryland.
- Postal code
- 21635Single source Value from one source, not cross-checked.
- City
- Galena
- County
- Kent FIPS 24029
- State
- Maryland
- Country
- United States
- Coordinates
- 39.3374, -75.8717 — precision precise (locality)
View on OpenStreetMap - Population
- 2,200 (ZCTA, ACS 5-year)
- Population density
- 71 / sq mi
- Land area
- 30.8 sq mi (79.7 km²) (ZCTA, ACS 5-year)
- Median household income
- $97,194
- Per-capita income
- $47,379
- Median age
- 46.8
- Households
- 960
- Housing units
- 1,129
- Median home value
- $387,600
- Median gross rent
- $1,060 / month
- Congressional district
- MD-1 (119th Congress)
- USDA hardiness zone
- 7b (5 to 10 °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 21635 with another ZIP · ZIPs within 25 miles · distance from 21635
Map of ZIP code 21635
Climate — monthly normals
Warmest month Jul (avg high 87°F), coldest Jan (avg low 27°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 41 | 44 | 53 | 64 | 74 | 82 | 87 | 85 | 78 | 67 | 56 | 45 |
| Avg low °F | 27 | 28 | 35 | 45 | 55 | 64 | 69 | 67 | 60 | 48 | 38 | 31 |
| Precip in | 3.3 | 2.9 | 4.3 | 3.7 | 3.9 | 4.4 | 4.3 | 3.6 | 4.9 | 3.7 | 3.2 | 3.8 |
NOAA 1991–2020 climate normals from the nearest station: CHESTERTOWN (12.7 mi) · NOAA NCEI
Places in ZIP 21635
- 3 schools
- 1 pharmacies
- 2 restaurants & cafés
- 2 parks
- 4 playgrounds
- 2 post offices
- 4 places of worship
- 2 banks
- 1 gas 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