ZIP code · Galesville · Maryland · United States

ZIP code 20765 — Galesville

ZIP code 20765 serves Galesville, Maryland.

Postal code
20765
Single source Value from one source, not cross-checked.
City
Galesville
County
Anne Arundel FIPS 24003
State
Maryland
Country
United States
Coordinates
38.8446, -76.5456 — precision precise (locality)
View on OpenStreetMap
Population
631 (ZCTA, ACS 5-year)
Population density
1,340 / sq mi
Land area
0.5 sq mi (1.2 km²) (ZCTA, ACS 5-year)
Median household income
$131,023
Per-capita income
$57,926
Median age
54
Households
237
Housing units
260
Median home value
$480,600
Congressional district
MD-5 (119th Congress)
Time zone
America/New_York (UTC−5 / UTC−4 DST)
Area codes
443, 410, 667 (from the nearest rate centre)
Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.

Climate — monthly normals

Warmest month Jul (avg high 86°F), coldest Jan (avg low 30°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F434553647382868477675647
Avg low °F303238475768727165524234
Precip in2.82.43.83.43.14.04.94.35.14.03.03.0

NOAA 1991–2020 climate normals from the nearest station: ANNAPOLIS NAF (10.5 mi) · NOAA NCEI

Places in ZIP 20765

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. Data generated on 2026-08-21. Methodology · Report an error on this page