ZIP CODE TABULATION AREA
20621
Maryland · 958 residents · 13.9 sq mi
ZIP 20621 is home to 958 people in St. Mary's County. The median age is 63.0, about 24 years above the US median. 100% of homes are owner-occupied. Four-year degrees are less common here than nationally, at 16% of adults. Getting to work takes 45 minutes on average. The foreign-born share is 2%.
958
Land area
13.9 sq mi
Age, sex & households
Race & ethnicity · 2024
2024
White, non-Hispanic77%(738)
Black23%(220)
Hispanic / Latino0%(0)
Asian0%(0)
Other0%(0)
Housing
Commute & vehicles
45.3 min
86.7%
9.0%
0.0%
4.4%
0.0%
0.0%
Work & employment
People & community
2.1%
14.8%
14.8%
0.0%
65.9%
98.7%
0.0%
Affordability & inequality
In context
ZIP 20621 compared with St. Mary's County
| Measure | ZIP 20621 | St. Mary's County | Difference |
|---|---|---|---|
| Median home value | $481,100 | $407,600 | 18% higher |
| Homes that are rented | 0.0% | 26.8% | −26.8 pts |
| Bachelor's degree or higher | 15.8% | 36.5% | −20.7 pts |
| Poverty rate | 20.0% | 8.0% | +12.1 pts |
| Foreign-born residents | 2.1% | 4.3% | −2.2 pts |
| Median age | 63.0 | 37.2 | 25.8 years older |
Frequently asked
How many people live in ZIP code 20621?
ZIP code 20621 has about 958 residents according to the 2024 American Community Survey.
Is ZIP code 20621 expensive?
In ZIP code 20621, the median home is worth about $481,100.
How educated are people in ZIP code 20621?
About 15.8% of adults age 25 and over in ZIP code 20621 hold a bachelor's degree or higher.
What is the poverty rate in ZIP code 20621?
About 20.0% of people in ZIP code 20621 live below the federal poverty line.
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DATA: US CENSUS BUREAU ACS 5-YEAR · ZCTA · UPDATED 2024