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ZIP CODE TABULATION AREA

20645

Maryland · 814 residents · 1.377 sq mi
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ZIP 20645 is significantly wealthier than the US average, with a median household income of $191,429. Population has held roughly steady since 2024. 46% of adults hold a bachelor's degree or higher. Median home value is $531,500. With a median age of 50.9, the population is older than the US median of 38.9. Households here earn about 56% more than the Charles County median. Among the 19 ZIP codes in Charles County, 20645 ranks 1st by median household income.

$191,429
US average: $82,259
$531,500
US average: $376,019
46.1%
US average: 35.6%
Age, sex & households
Under 18
22.7%
Age 65+
23.3%
51.4%
48.6%
2.73 people
Race & ethnicity · 2024
2024
White, non-Hispanic85.1%(693)
Black0.9%(7)
Hispanic / Latino0%(0)
Asian0%(0)
Other14%(114)
Diversity Score31.9%(260)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Charles County
Income rank vs other ZIPs
LOWEST1ST OF 19HIGHEST
Adjacent ZIPs
20601$117,480
20602$107,360
20603$137,946
20611$151,607
Frequently asked

How many people live in ZIP code 20645?

ZIP code 20645 has about 814 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 20645?

The typical household in ZIP code 20645 earns about $191,429 a year. Half of households make more than that, and half make less.

Is ZIP code 20645 expensive?

In ZIP code 20645, the median home is worth about $531,500.

How educated are people in ZIP code 20645?

About 46.1% of adults age 25 and over in ZIP code 20645 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 20645?

About 0.0% of people in ZIP code 20645 live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR · ZCTA · UPDATED 2024