ZIP code · Little Orleans · Maryland · United States
ZIP code 21766 — Little Orleans
ZIP code 21766 serves Little Orleans, Maryland.
- Postal code
- 21766Single source Value from one source, not cross-checked.
- City
- Little Orleans
- County
- Allegany FIPS 24001
- State
- Maryland
- Country
- United States
- Coordinates
- 39.6876, -78.3781 — precision precise (locality)
View on OpenStreetMap - Population
- 509 (ZCTA, ACS 5-year)
- Population density
- 12 / sq mi
- Land area
- 40.9 sq mi (106 km²) (ZCTA, ACS 5-year)
- Median household income
- $54,821
- Per-capita income
- $29,872
- Median age
- 59.6
- Households
- 279
- Housing units
- 503
- Median home value
- $192,400
- Median gross rent
- $780 / month
- Congressional district
- MD-6 (119th Congress)
- USDA hardiness zone
- 7a (0 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 21766 with another ZIP · ZIPs within 25 miles · distance from 21766
Map of ZIP code 21766
Climate — monthly normals
Warmest month Jul (avg high 85°F), coldest Jan (avg low 21°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 40 | 43 | 52 | 64 | 73 | 81 | 85 | 83 | 77 | 66 | 54 | 44 |
| Avg low °F | 21 | 23 | 30 | 40 | 49 | 58 | 62 | 60 | 53 | 42 | 32 | 25 |
| Precip in | 3.6 | 2.2 | 3.0 | 3.5 | 4.4 | 4.9 | 4.3 | 3.1 | 4.4 | 3.4 | 2.6 | 3.3 |
NOAA 1991–2020 climate normals from the nearest station: CACAPON ST PK #2 (13.0 mi) · NOAA NCEI
Places in ZIP 21766
- 1 schools
- 2 restaurants & cafés
- 3 places of worship
- 2 gas 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