ZIP Code 20640 - Indian Head Maryland

ZIP Code 20640 is located in Indian Head Maryland. Portions of 20640 are also in Bryans Road and Potomac Heights. 20640 is entirely within Charles County. Regionally, 20640 is located in Metro DC.

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ZIP Code 20640 Quick Stats

ZIP Code NameIndian Head
Primary CountyCharles County
ZIP Code TypeStandard
Population (2022)10,629
Area Code(s)240 / 301 / 571 / 703
Current Time

ZIP Code 20640 Map

20640 Demographics

20640 can be classified socioeconomically as Middle Class class compared to other ZIP Codes in Maryland based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 20640 is African American. The majority race/ethnicity attending public schools in 20640 is African American. The current unemployment level in 20640 is 2.7%.

Population Growth Rate2.28%
Population Density175 People per Square Mile
Total Households3,426
Percentage High Income Households4.9%
Median Household Income (2021)$80,375
Average Adjusted Gross Income (2021)$340,680
Current Unemployment Rate (July 2024)2.7%
Majority Race/EthnictyAfrican American - 53.04%
Public School Majority Race/EthnictyAfrican American - 59.05%

20640 Race/Ethnicty Breakdown

Native American470.43%
Hawaiian/Pac. Islander90.08%

20640 Public School Race/Ethnicty Breakdown

Native American130.43%
Hawaiian/Pac. Islander80.26%

20640 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College65911.55%
Bachelor Degree70012.27%
High School Diploma1,82932.07%
No High School Diploma881.54%
GED or Alternate3185.58%
1 or More Years of College1,49926.28%
Associates Degree3826.7%
Masters Degree1943.4%
Professional Degree170.3%
Doctorate Degree180.32%

20640 Geography

Adjacent ZIP Codes
Cities/Towns in 20640
RegionMetro DC
Metropolitan/Micropolitan Stat AreaWashington-Arlington-Alexandria, DC-VA-MD-WV
Time ZoneEastern Daylight Time
IANA TimezoneAmerica/New_York
Area61 Square Miles

20640 Politics

US Congressional Districts in 20640
Maryland State Senate Districts in 20640
Maryland State House of Delegates Districts in 20640

20640 Weather and Climate Data

Plant Hardiness ZoneZone 7b: 5F to 10F
Average First Frost DateOctober 21 - 31
Average Last Frost DateApril 11 - 20
Koppen-Geiger Climate ZoneCfa - Humid Subtropical Climate
Ecoregion65n - Chesapeake Rolling Coastal Plain

20640 Annual Climate Data

Avg Min Temp (°F)26283543536267665946383046
Avg Max Temp (°F)44485768768487867969584867
Avg Precip (In.)3.462.873.913.184.123.724.

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