ZIP code · Salisbury · Maryland · United States
ZIP code 21804 — Salisbury
ZIP code 21804 serves Salisbury, Maryland.
- Postal code
- 21804Single source Value from one source, not cross-checked.
- City
- Salisbury
- County
- Wicomico FIPS 24045
- State
- Maryland
- Country
- United States
- Coordinates
- 38.3508, -75.5338 — precision precise (locality)
View on OpenStreetMap - Population
- 39,461 (ZCTA, ACS 5-year)
- Population density
- 575 / sq mi
- Land area
- 68.6 sq mi (177.7 km²) (ZCTA, ACS 5-year)
- Median household income
- $68,882
- Per-capita income
- $33,932
- Median age
- 32.2
- Households
- 15,229
- Housing units
- 16,736
- Median home value
- $230,200
- Median gross rent
- $1,343 / 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 21804 with another ZIP · ZIPs within 25 miles · distance from 21804
Map of ZIP code 21804
Climate — monthly normals
Warmest month Jul (avg high 88°F), coldest Jan (avg low 28°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 46 | 48 | 55 | 66 | 74 | 83 | 88 | 85 | 80 | 69 | 59 | 50 |
| Avg low °F | 28 | 29 | 35 | 44 | 53 | 63 | 68 | 66 | 60 | 48 | 38 | 31 |
| Precip in | 3.5 | 3.3 | 4.2 | 3.4 | 3.7 | 4.0 | 4.7 | 5.3 | 4.5 | 4.2 | 3.2 | 3.6 |
NOAA 1991–2020 climate normals from the nearest station: SALISBURY WICOMICO RGNL AP (1.4 mi) · NOAA NCEI
Places in ZIP 21804
- 19 schools
- 1 colleges & universities
- 2 hospitals & clinics
- 5 doctors & dentists
- 2 pharmacies
- 4 supermarkets
- 36 restaurants & cafés
- 15 parks
- 14 playgrounds
- 6 gyms & sports centres
- 1 post offices
- 39 places of worship
- 6 banks
- 10 gas stations
- 1 EV charging stations
- 2 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