Population 5,531 · Census ACS 2020–24
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Population and households in ZIP 20637
Household size in ZIP 20637
| Period | ZIP 20637 | Washington area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 2.90 | 2.73 | 2.68 | 2.68 |
| 2010–14 | 2.87 | 2.82 | 2.73 | 2.73 |
| 2015–19 | 3.01 | 2.86 | 2.74 | 2.71 |
| 2020–24 | 3.01 | 2.77 | 2.68 | 2.65 |
| Change | +0.11 | +0.04 | +0.01 | −0.03 |
Households in ZIP 20637 are large by national standards, averaging 3.01 people against 2.65 for the U.S. That usually means more families with children at home. Household size has climbed from 2.90 in 2006–10, even as the national average fell.
Household size: the average number of people living in each occupied home. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25010).
Median age in ZIP 20637
| Period | ZIP 20637 | Washington area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 41.9 | 37.0 | 38.5 | 37.7 |
| 2010–14 | 46.6 | 37.6 | 39.3 | 38.6 |
| 2015–19 | 45.7 | 38.5 | 40.2 | 39.6 |
| 2020–24 | 45.0 | 39.2 | 40.6 | 40.1 |
| Change | +3.1 | +2.2 | +2.1 | +2.3 |
ZIP 20637 skews older: half of its residents are older than 45.0, well above the national median of 40.1. That usually means more empty nesters and retirees, and fewer young families. The median age has climbed from 41.9 in 2006–10, in line with the national trend.
Median age: the age that splits residents into two equal halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B01002).
Single-parent households in ZIP 20637
| Period | ZIP 20637 | Washington area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 6.2% | 11.3% | 12.5% | 12.3% |
| 2010–14 | 4.1% | 11.3% | 12.6% | 12.3% |
| 2015–19 | 10.9% | 10.4% | 11.7% | 11.6% |
| 2020–24 | 10.1% | 10.4% | 11.7% | 11.6% |
| Change | +3.9 pts | −0.9 pts | −0.9 pts | −0.6 pts |
Single-parent households are a bit less common in ZIP 20637 than nationally: 10.1%, against 11.6%. The picture is much the same across the Washington area. The single-parent share is up 3.9 points from 2006–10, even as the national share fell.
Single-parent households: households where one adult with no spouse present lives with children under 18. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B11003).
Housing in ZIP 20637
Renters in ZIP 20637
| Period | ZIP 20637 | Washington area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 8.8% | 34.0% | 31.0% | 33.3% |
| 2010–14 | 13.7% | 36.6% | 32.9% | 35.6% |
| 2015–19 | 11.0% | 36.8% | 33.1% | 36.0% |
| 2020–24 | 5.7% | 36.3% | 32.4% | 34.8% |
| Change | −3.1 pts | +2.3 pts | +1.4 pts | +1.5 pts |
Only 5.7% of households in ZIP 20637 rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. Among homeowners, 28.5% have no mortgage at all, well below the national share of 39.8%. Since 2006–10, the renter share has fallen 3.1 points, even as the national share rose. Only ten of the 240 Maryland ZIP codes with 5,000+ people have a lower share of renters.
Renters: occupied homes that are rented rather than owned. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25003).
Vacant homes in ZIP 20637
| Period | ZIP 20637 | Washington area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 7.1% | 8.7% | 9.0% | 11.4% |
| 2010–14 | 5.2% | 7.3% | 8.9% | 11.4% |
| 2015–19 | 4.7% | 6.6% | 8.9% | 11.1% |
| 2020–24 | 4.0% | 5.9% | 7.1% | 9.6% |
| Change | −3.1 pts | −2.8 pts | −1.9 pts | −1.8 pts |
Only 4.0% of homes in ZIP 20637 are vacant, far below the national rate of 9.6%, which usually means strong demand for housing. Since 2006–10, vacancy has fallen 3.1 points, mirroring the country.
Vacant homes: homes with no one living in them, including vacation homes and homes for sale or rent. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25002).
Age of homes in ZIP 20637
| Period | ZIP 20637 | Washington area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 1983 | 1977 | 1974 | 1974 |
| 2010–14 | 1988 | 1978 | 1975 | 1975 |
| 2015–19 | 1991 | 1979 | 1976 | 1977 |
| 2020–24 | 1993 | 1982 | 1978 | 1980 |
| Change | +9 | +6 | +4 | +6 |
ZIP 20637 has newer housing than the country as a whole: the median home was built in 1993, versus 1980 nationally. The median year built has moved up from 1983 in 2006–10, a sign of steady new building. ZIP 20637 has newer homes than at least four in five Maryland ZIP codes.
Age of homes: the year that splits the housing stock into older and newer halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25035).
Rent in ZIP 20637
| Period | ZIP 20637 | Washington area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | $851 | $1,470 | $1,249 | $965 |
| 2010–14 | $911 | $1,583 | $1,363 | $1,040 |
| 2015–19 | $2,591 | $1,907 | $1,576 | $1,213 |
| 2020–24 | $1,982 | $2,236 | $1,869 | $1,571 |
| Change | +$1,131 | +$766 | +$620 | +$606 |
Rent in ZIP 20637 runs $1,982 a month at the median, utilities included, well above the U.S. median of $1,571. Still, rents here are lower than in the Washington area overall ($2,236). Rents are up $1,131 a month from 2006–10, a 133% jump, faster than rents rose nationally. The typical renter here spends 36.6% of household income on rent, well over the 30% mark often used to define affordable rent, so many renters here are stretched.
Rent: monthly rent plus the utilities renters pay themselves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25064).
Education in ZIP 20637
Bachelor's degrees in ZIP 20637
| Period | ZIP 20637 | Washington area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 25.4% | 46.6% | 36.3% | 28.4% |
| 2010–14 | 29.3% | 48.2% | 37.7% | 29.6% |
| 2015–19 | 27.0% | 51.0% | 40.5% | 32.1% |
| 2020–24 | 34.2% | 53.9% | 43.4% | 35.6% |
| Change | +8.8 pts | +7.3 pts | +7.1 pts | +7.2 pts |
College degrees are about as common in ZIP 20637 as nationally: 34.2% of adults 25 and older have a bachelor's or higher, against 35.6%. The share is lower than in the Washington area overall (53.9%). The share with a degree is up 8.8 points from 2006–10, as it has nationally.
Bachelor's degrees: adults 25 and older with a bachelor's degree or higher. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
High school graduates in ZIP 20637
| Period | ZIP 20637 | Washington area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 89.2% | 89.4% | 88.0% | 84.9% |
| 2010–14 | 87.7% | 90.2% | 89.1% | 86.1% |
| 2015–19 | 96.3% | 90.8% | 90.2% | 87.7% |
| 2020–24 | 94.2% | 91.2% | 90.9% | 89.3% |
| Change | +5.0 pts | +1.7 pts | +2.9 pts | +4.3 pts |
High school completion in ZIP 20637 is above the national rate: 94.2% of adults have a diploma or equivalent, against 89.3%. The share with a diploma has risen 5.0 points since 2006–10, as it has nationally.
High school graduates: adults 25 and older with a high school diploma, GED or more. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
Jobs in ZIP 20637
| Period | ZIP 20637 | Washington area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 3.8% | 5.9% | 6.5% | 8.1% |
| 2010–14 | 4.0% | 6.9% | 8.1% | 9.4% |
| 2015–19 | 1.4% | 4.7% | 5.1% | 5.6% |
| 2020–24 | 1.8% | 4.8% | 5.0% | 5.4% |
| Change | −1.9 pts | −1.1 pts | −1.5 pts | −2.7 pts |
Unemployment in ZIP 20637 has been low: just 1.8% of the labor force was out of work and looking, well below the national rate of 5.4%. Of the 240 Maryland ZIP codes with 5,000+ people, only 13 have lower unemployment. Unemployment has fallen 1.9 points since 2006–10, as it has nationally.
Unemployment: people looking for work as a share of everyone working or looking. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B23025).
ZIP 20637 compared with nearby ZIP codes
| ZIP code | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| ZIP 20637 | 3.01 | 45.0 | 10.1% | 5.7% | 4.0% | 1993 | $1,982 | 34.2% | 94.2% | 1.8% |
| ZIP 20617 | 2.95 | 38.2 | 5.8% | 12.6% | 4.1% | 1988 | $1,891 | 42.1% | 97.0% | 2.4% |
| ZIP 20622 | 3.14 | 40.2 | 7.3% | 10.8% | 1.3% | 1987 | $1,313 | 27.1% | 87.2% | 2.2% |
| ZIP 20608 | 2.75 | 45.9 | 4.4% | 24.3% | 13.3% | 1968 | $1,289 | 27.9% | 93.5% | 3.3% |
| ZIP 20612 | 3.07 | 41.4 | 17.5% | 4.0% | 5.2% | 1997 | $2,054 | 42.8% | 98.7% | 3.0% |
| ZIP 20659 | 2.90 | 39.4 | 9.8% | 9.8% | 5.4% | 1988 | $1,442 | 27.7% | 92.5% | 3.3% |
| ZIP 20602 | 2.86 | 34.8 | 16.2% | 29.8% | 4.1% | 1988 | $1,896 | 31.7% | 94.7% | 6.2% |
| ZIP 20601 | 2.76 | 39.9 | 12.9% | 20.7% | 5.5% | 1990 | $2,194 | 32.2% | 95.4% | 5.4% |
| ZIP 20678 | 2.57 | 39.9 | 9.7% | 19.1% | 6.6% | 1993 | $1,409 | 30.1% | 94.5% | 2.3% |
| ZIP 20639 | 3.17 | 40.2 | 7.9% | 8.1% | 5.7% | 1990 | $1,519 | 40.0% | 96.4% | 2.4% |
| ZIP 20646 | 2.69 | 43.5 | 9.8% | 12.3% | 7.0% | 1990 | $1,656 | 34.0% | 94.9% | 3.6% |
All figures 2020–24.
Zip codes with similar populations: 60040, IL · 39145, MS · 39762, MS · 42553, KY · 43044, OH · 47452, IN · 49455, MI · 55358, MN · 56479, MN · 57730, SD
About these numbers
Every figure on this page is a BestNeighborhood calculation from the Census Bureau's American Community Survey (ACS), built up from the Census block groups that make up ZIP 20637. Each ACS 5-year release pools five years of responses; this page shows the last 15 releases, 2006–10 through 2020–24. Neighboring releases share four of their five years, so they move gradually and small changes between them are within the survey's margin of error; in small places the lines can jump from one release to the next for the same reason. The maps show the same measures for each neighborhood, ranked against the whole country.
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