Population 206 · Census ACS 2020–24
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Population and households in ZIP 20839
Household size in ZIP 20839
| Period | ZIP 20839 | Washington area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 2.85 | 2.73 | 2.68 | 2.68 |
| 2010–14 | 2.66 | 2.82 | 2.73 | 2.73 |
| 2015–19 | 2.97 | 2.86 | 2.74 | 2.71 |
| 2020–24 | 3.15 | 2.77 | 2.68 | 2.65 |
| Change | +0.31 | +0.04 | +0.01 | −0.03 |
Households in ZIP 20839 are large by national standards, averaging 3.15 people against 2.65 for the U.S. That usually means more families with children at home. Household size has climbed from 2.85 in 2006–10, but in a place this small, survey estimates can swing a lot from one release to the next.
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 20839
| Period | ZIP 20839 | Washington area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 42.9 | 37.0 | 38.5 | 37.7 |
| 2010–14 | 48.7 | 37.6 | 39.3 | 38.6 |
| 2015–19 | 42.1 | 38.5 | 40.2 | 39.6 |
| 2020–24 | 42.3 | 39.2 | 40.6 | 40.1 |
| Change | −0.6 | +2.2 | +2.1 | +2.3 |
ZIP 20839 skews a little older than the country: its median age is 42.3, against 40.1 nationally.
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 20839
| Period | ZIP 20839 | Washington area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 4.0% | 11.3% | 12.5% | 12.3% |
| 2010–14 | 4.1% | 11.3% | 12.6% | 12.3% |
| 2015–19 | 5.0% | 10.4% | 11.7% | 11.6% |
| 2020–24 | 8.5% | 10.4% | 11.7% | 11.6% |
| Change | +4.5 pts | −0.9 pts | −0.9 pts | −0.6 pts |
Single parents head only 8.5% of households in ZIP 20839, well below the national share of 11.6%.
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 20839
Renters in ZIP 20839
| Period | ZIP 20839 | Washington area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 14.7% | 34.0% | 31.0% | 33.3% |
| 2010–14 | 13.3% | 36.6% | 32.9% | 35.6% |
| 2015–19 | 12.6% | 36.8% | 33.1% | 36.0% |
| 2020–24 | 12.8% | 36.3% | 32.4% | 34.8% |
| Change | −1.9 pts | +2.3 pts | +1.4 pts | +1.5 pts |
Only 12.8% of households in ZIP 20839 rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. Among homeowners, 25.5% have no mortgage at all, well below the national share of 39.8%.
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 20839
| Period | ZIP 20839 | Washington area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 7.5% | 8.7% | 9.0% | 11.4% |
| 2010–14 | 11.0% | 7.3% | 8.9% | 11.4% |
| 2015–19 | 6.0% | 6.6% | 8.9% | 11.1% |
| 2020–24 | 5.4% | 5.9% | 7.1% | 9.6% |
| Change | −2.2 pts | −2.8 pts | −1.9 pts | −1.8 pts |
Empty homes are scarce in ZIP 20839: just 5.4% sit vacant, compared with 9.6% nationally, a sign of a tight housing market. That is in line with the rest of the Washington area.
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 20839
| Period | ZIP 20839 | Washington area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 1963 | 1977 | 1974 | 1974 |
| 2010–14 | 1987 | 1978 | 1975 | 1975 |
| 2015–19 | 1979 | 1979 | 1976 | 1977 |
| 2020–24 | 1996 | 1982 | 1978 | 1980 |
| Change | +34 | +6 | +4 | +6 |
Much of the housing in ZIP 20839 is relatively new: half of its homes were built after 1996, compared with 1980 for the U.S. as a whole.
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 20839
| Period | ZIP 20839 | Washington area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | $1,836 | $1,470 | $1,249 | $965 |
| 2010–14 | $917 | $1,583 | $1,363 | $1,040 |
| 2015–19 | $1,426 | $1,907 | $1,576 | $1,213 |
| 2020–24 | $2,789 | $2,236 | $1,869 | $1,571 |
| Change | +$953 | +$766 | +$620 | +$606 |
Rent in ZIP 20839 runs $2,789 a month at the median, utilities included, well above the U.S. median of $1,571. Rent takes 45.8% of the typical renter's income, 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 20839
Bachelor's degrees in ZIP 20839
| Period | ZIP 20839 | Washington area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 35.4% | 46.6% | 36.3% | 28.4% |
| 2010–14 | 46.5% | 48.2% | 37.7% | 29.6% |
| 2015–19 | 54.3% | 51.0% | 40.5% | 32.1% |
| 2020–24 | 61.4% | 53.9% | 43.4% | 35.6% |
| Change | +26.0 pts | +7.3 pts | +7.1 pts | +7.2 pts |
ZIP 20839 is highly educated: about six in ten adults 25 and older (61.4%) hold at least a bachelor's degree, far above the national share of 35.6%.
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 20839
| Period | ZIP 20839 | Washington area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 97.7% | 89.4% | 88.0% | 84.9% |
| 2010–14 | 95.1% | 90.2% | 89.1% | 86.1% |
| 2015–19 | 94.5% | 90.8% | 90.2% | 87.7% |
| 2020–24 | 92.5% | 91.2% | 90.9% | 89.3% |
| Change | −5.2 pts | +1.7 pts | +2.9 pts | +4.3 pts |
High school completion in ZIP 20839 is a bit above the national rate: 92.5% of adults have a diploma or equivalent, against 89.3%. That is in line with the rest of the Washington area.
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 20839
| Period | ZIP 20839 | Washington area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 3.3% | 5.9% | 6.5% | 8.1% |
| 2010–14 | 3.6% | 6.9% | 8.1% | 9.4% |
| 2015–19 | 6.4% | 4.7% | 5.1% | 5.6% |
| 2020–24 | 2.0% | 4.8% | 5.0% | 5.4% |
| Change | −1.3 pts | −1.1 pts | −1.5 pts | −2.7 pts |
The job market in ZIP 20839 has been strong: just 2.0% of the labor force was out of work and looking, well below the national rate of 5.4%. Because the Census pools five years of responses (2020–24), these rates smooth over short swings and lag the current job market.
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 20839 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 20839 | 3.15 | 42.3 | 8.5% | 12.8% | 5.4% | 1996 | $2,789 | 61.4% | 92.5% | 2.0% |
| ZIP 20837 | 2.73 | 49.7 | 6.3% | 8.2% | 3.9% | 1985 | $2,791 | 55.0% | 91.5% | 3.8% |
| ZIP 20842 | 2.91 | 44.3 | 7.0% | 14.8% | 6.9% | 1987 | $1,996 | 59.5% | 93.9% | 0.9% |
| ZIP 20838 | 2.76 | 44.1 | 8.6% | 15.0% | 1.4% | 1975 | $1,672 | 60.5% | 94.5% | 0.2% |
| ZIP 20841 | 3.27 | 41.8 | 7.1% | 8.1% | 5.0% | 2008 | $2,751 | 63.4% | 92.4% | 5.1% |
| ZIP 20176 | 3.19 | 40.1 | 9.1% | 22.1% | 6.0% | 1997 | $2,621 | 57.2% | 91.1% | 2.3% |
| ZIP 20874 | 2.85 | 38.7 | 11.6% | 33.4% | 3.7% | 1990 | $2,158 | 49.0% | 90.7% | 5.3% |
| ZIP 21790 | 2.73 | 49.1 | 5.0% | 19.4% | 5.4% | 1998 | $2,172 | 45.2% | 92.6% | 3.7% |
| ZIP 20165 | 2.85 | 38.5 | 6.4% | 22.1% | 4.7% | 1995 | $2,496 | 68.0% | 96.9% | 4.1% |
| ZIP 21777 | 2.94 | 43.4 | 5.5% | 7.5% | 3.9% | 1997 | $2,068 | 44.3% | 94.7% | 3.9% |
| ZIP 20871 | 3.24 | 37.8 | 11.4% | 9.6% | 1.2% | 2007 | $2,583 | 66.8% | 94.9% | 3.9% |
All figures 2020–24.
Zip codes with similar populations: 87061, NM · 57265, SD · 57341, SD · 62950, IL · 24831, WV · 24830, WV · 23427, VA · 23389, VA · 23125, VA · 22946, VA
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 20839. 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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