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ZIP CODE TABULATION AREA

20646

Maryland · 21,400 residents · 79.8 sq mi
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With 21,400 people, ZIP 20646 is a ZIP code in Charles County. 86% of homes are owner-occupied. Households take in $131,974 a year at the median, 60% more than the country as a whole. Getting to work takes 39 minutes on average. The median age is 42.9, about 4 years above the US median. The foreign-born share is 6%. Among the 19 ZIP codes in Charles County, 20646 ranks 7th by median household income.

$131,974
US average: $82,259
$55,317
US average: $44,673
$450,200
US average: $376,019
34.9%
US average: 35.6%
Land area
79.8 sq mi
Age, sex & households
Under 18
21.5%
Age 65+
18.0%
49.6%
50.4%
2.68 people
Race & ethnicity · 2024
2024
White, non-Hispanic60.9%(13,035)
Black24.5%(5,236)
Hispanic / Latino4.1%(885)
Asian2.9%(625)
Other7.6%(1,619)
70
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
3.4
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Within Charles County
Income rank vs other ZIPs
LOWEST7TH 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 20646?

ZIP code 20646 has about 21,400 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 20646?

The typical household in ZIP code 20646 earns about $131,974 a year. Half of households make more than that, and half make less.

Is ZIP code 20646 expensive?

In ZIP code 20646, the median home is worth about $450,200, and the typical rent is about $1,541 a month.

How educated are people in ZIP code 20646?

About 34.9% of adults age 25 and over in ZIP code 20646 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 20646?

About 5.6% of people in ZIP code 20646 live below the federal poverty line.

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