ZIP code · Leonardtown · Maryland · United States
ZIP code 20650 — Leonardtown
ZIP code 20650 serves Leonardtown, Maryland.
- Postal code
- 20650Single source Value from one source, not cross-checked.
- City
- Leonardtown
- County
- St. Mary's FIPS 24037
- State
- Maryland
- Country
- United States
- Coordinates
- 38.2774, -76.6380 — precision precise (locality)
View on OpenStreetMap - Population
- 15,979 (ZCTA, ACS 5-year)
- Population density
- 260 / sq mi
- Land area
- 61.4 sq mi (159.1 km²) (ZCTA, ACS 5-year)
- Median household income
- $139,688
- Per-capita income
- $54,721
- Median age
- 38.3
- Households
- 5,644
- Housing units
- 6,158
- Median home value
- $464,000
- Median gross rent
- $1,726 / month
- Congressional district
- MD-5 (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 20650 with another ZIP · ZIPs within 25 miles · distance from 20650
Map of ZIP code 20650
Climate — monthly normals
Warmest month Jul (avg high 88°F), coldest Jan (avg low 30°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 45 | 48 | 55 | 65 | 74 | 84 | 88 | 86 | 80 | 69 | 59 | 50 |
| Avg low °F | 30 | 31 | 38 | 47 | 58 | 68 | 73 | 71 | 65 | 53 | 43 | 35 |
NOAA 1991–2020 climate normals from the nearest station: SOLOMONS (10.5 mi) · NOAA NCEI
Places in ZIP 20650
- 21 schools
- 1 colleges & universities
- 1 hospitals & clinics
- 1 doctors & dentists
- 3 pharmacies
- 2 supermarkets
- 22 restaurants & cafés
- 4 bars & pubs
- 16 parks
- 12 playgrounds
- 3 gyms & sports centres
- 2 libraries
- 5 post offices
- 10 places of worship
- 3 banks
- 5 gas stations
- 4 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