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County · GEOID 24037

St. Mary's County, MD ZIP codes

27 ZIP/ZCTAs intersecting this county.

ACS 2023 population

114,372

Median household income

$114,580

Median home value

$390,900

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: County St. Mary's County (GEOID 24037). Methodology

Combined population of ZIP/ZCTAs intersecting this county: 118,020 (27 ZIPs).

Combined population of ZIP/ZCTAs intersecting this county. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census county ACS headline above. Methodology

ZIP/ZCTA overlap with St. Mary's County

Population overlap

Share of each ZIP/ZCTA’s population located within St. Mary's County, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.

  • 20606100.0%

    Directory county

  • 20609100.0%

    Directory county

  • 20618100.0%

    Directory county

  • 20619100.0%

    Directory county

  • 20620100.0%

    Directory county

  • 20621100.0%

    Directory county

  • 2062238.6%
  • 20624100.0%

    Directory county

  • 20626100.0%

    Directory county

  • 20628100.0%

    Directory county

  • 20630100.0%

    Directory county

  • 20634100.0%

    Directory county

  • 20636100.0%

    Directory county

  • 20650100.0%

    Directory county

  • 20653100.0%

    Directory county

  • 20656100.0%

    Directory county

  • 2065998.4%

    Directory county

  • 20660100.0%

    Directory county

  • 20667100.0%

    Directory county

  • 20670100.0%

    Directory county

  • 20674100.0%

    Directory county

  • 20680100.0%

    Directory county

  • 20684100.0%

    Directory county

  • 20686100.0%

    Directory county

  • 20687100.0%

    Directory county

  • 20690100.0%

    Directory county

  • 20692100.0%

    Directory county

ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

ZIP codes intersecting St. Mary's County

ZIPCityCountyPopulationIncome
20606AbellSt. Mary's County204$86,406
20609AvenueSt. Mary's County976$114,181
20618BushwoodSt. Mary's County1,513$103,115
20619CaliforniaSt. Mary's County14,743$114,848
20620CallawaySt. Mary's County1,160$154,188
20621ChapticoSt. Mary's County902—
20622Charlotte HallCharles County5,259$118,938
20624ClementsSt. Mary's County1,157$99,638
20626Coltons PointSt. Mary's County198$53,143
20628DameronSt. Mary's County791$160,043
20630DraydenSt. Mary's County346$227,581
20634Great MillsSt. Mary's County6,976$117,431
20636HollywoodSt. Mary's County10,357$159,800
20650LeonardtownSt. Mary's County15,979$139,688
20653Lexington ParkSt. Mary's County26,799$97,923
20656LovevilleSt. Mary's County122—
20659MechanicsvilleSt. Mary's County23,918$117,571
20660MorganzaSt. Mary's County16—
20667Park HallSt. Mary's County98—
20670Patuxent RiverSt. Mary's County1,577$70,945
20674Piney PointSt. Mary's County638$126,029
20680RidgeSt. Mary's County702$81,125
20684Saint InigoesSt. Mary's County825$176,938
20686Saint Marys CitySt. Mary's County949—
20687ScotlandSt. Mary's County331—
20690Tall TimbersSt. Mary's County1,046$129,236
20692Valley LeeSt. Mary's County438$120,491

USPS associates these ZIPs with St. Mary's County

These codes list St. Mary's County as a primary or acceptable city. They are not used for the ACS headline.

ZIPCityCountyPopulationIncome
20627ComptonSt. Mary's County241—
20635HelenSt Mary's County25—