ZIP code · Indian Head · Maryland · United States

ZIP code 20640 — Indian Head

ZIP code 20640 serves Indian Head, Maryland.

Postal code
20640
Single source Value from one source, not cross-checked.
City
Indian Head
County
Charles FIPS 24017
State
Maryland
Country
United States
Coordinates
38.6001, -77.1622 — precision precise (locality)
View on OpenStreetMap
Population
10,254 (ZCTA, ACS 5-year)
Population density
246 / sq mi
Land area
41.7 sq mi (108.1 km²) (ZCTA, ACS 5-year)
Median household income
$95,560
Per-capita income
$47,075
Median age
38.5
Households
3,972
Housing units
4,272
Median home value
$307,900
Median gross rent
$1,752 / 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)
Area codes
240, 301
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 88°F), coldest Jan (avg low 28°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F454856687684888680695849
Avg low °F283037475766716962503932
Precip in2.72.43.63.23.63.54.64.23.43.33.13.3

NOAA 1991–2020 climate normals from the nearest station: QUANTICO MCAS (10.2 mi) · NOAA NCEI

Places in ZIP 20640

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