Population 2,841 · Census ACS 2020–24
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Population and households in ZIP 20623
Household size in ZIP 20623
| Period | ZIP 20623 | Washington area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 3.33 | 2.73 | 2.68 | 2.68 |
| 2010–14 | 3.43 | 2.82 | 2.73 | 2.73 |
| 2015–19 | 3.27 | 2.86 | 2.74 | 2.71 |
| 2020–24 | 3.00 | 2.77 | 2.68 | 2.65 |
| Change | −0.33 | +0.04 | +0.01 | −0.03 |
Households in ZIP 20623 are large by national standards, averaging 3.00 people against 2.65 for the U.S. That usually means more families with children at home. Since 2006–10, household size has dropped from 3.33, 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 20623
| Period | ZIP 20623 | Washington area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 38.0 | 37.0 | 38.5 | 37.7 |
| 2010–14 | 39.4 | 37.6 | 39.3 | 38.6 |
| 2015–19 | 42.8 | 38.5 | 40.2 | 39.6 |
| 2020–24 | 50.8 | 39.2 | 40.6 | 40.1 |
| Change | +12.8 | +2.2 | +2.1 | +2.3 |
With a median age of 50.8, ZIP 20623 is noticeably older than the country as a whole (40.1), an age mix that tilts toward empty nesters and retirees.
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 20623
| Period | ZIP 20623 | Washington area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 9.7% | 11.3% | 12.5% | 12.3% |
| 2010–14 | 15.2% | 11.3% | 12.6% | 12.3% |
| 2015–19 | 4.8% | 10.4% | 11.7% | 11.6% |
| 2020–24 | 7.4% | 10.4% | 11.7% | 11.6% |
| Change | −2.3 pts | −0.9 pts | −0.9 pts | −0.6 pts |
Single parents head only 7.4% of households in ZIP 20623, 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 20623
Renters in ZIP 20623
| Period | ZIP 20623 | Washington area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 4.8% | 34.0% | 31.0% | 33.3% |
| 2010–14 | 6.9% | 36.6% | 32.9% | 35.6% |
| 2015–19 | 0.7% | 36.8% | 33.1% | 36.0% |
| 2020–24 | 3.7% | 36.3% | 32.4% | 34.8% |
| Change | −1.1 pts | +2.3 pts | +1.4 pts | +1.5 pts |
ZIP 20623 is overwhelmingly a place of homeowners: only 3.7% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Among homeowners, 20.9% 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 20623
| Period | ZIP 20623 | Washington area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 7.2% | 8.7% | 9.0% | 11.4% |
| 2010–14 | 9.8% | 7.3% | 8.9% | 11.4% |
| 2015–19 | 2.8% | 6.6% | 8.9% | 11.1% |
| 2020–24 | 3.3% | 5.9% | 7.1% | 9.6% |
| Change | −3.9 pts | −2.8 pts | −1.9 pts | −1.8 pts |
Empty homes are scarce in ZIP 20623: just 3.3% sit vacant, compared with 9.6% nationally, a sign of a tight housing market.
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 20623
| Period | ZIP 20623 | Washington area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 1988 | 1977 | 1974 | 1974 |
| 2010–14 | 1986 | 1978 | 1975 | 1975 |
| 2015–19 | 1989 | 1979 | 1976 | 1977 |
| 2020–24 | 1989 | 1982 | 1978 | 1980 |
| Change | +1 | +6 | +4 | +6 |
ZIP 20623 has newer housing than the country as a whole: the median home was built in 1989, versus 1980 nationally.
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 20623
| Period | ZIP 20623 | Washington area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | $1,972 | $1,470 | $1,249 | $965 |
| 2010–14 | $1,918 | $1,583 | $1,363 | $1,040 |
| 2015–19 | $1,468 | $1,907 | $1,576 | $1,213 |
| 2020–24 | $1,799 | $2,236 | $1,869 | $1,571 |
| Change | −$173 | +$766 | +$620 | +$606 |
A typical rental in ZIP 20623 costs $1,799 a month with utilities, above the national median of $1,571. Still, rents here are lower than in the wider Washington area ($2,236). Rent takes 31.1% of the typical renter's income, just over the 30% mark often used to define affordable rent.
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 20623
Bachelor's degrees in ZIP 20623
| Period | ZIP 20623 | Washington area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 27.7% | 46.6% | 36.3% | 28.4% |
| 2010–14 | 37.0% | 48.2% | 37.7% | 29.6% |
| 2015–19 | 39.1% | 51.0% | 40.5% | 32.1% |
| 2020–24 | 34.1% | 53.9% | 43.4% | 35.6% |
| Change | +6.4 pts | +7.3 pts | +7.1 pts | +7.2 pts |
About a third of adults 25 and older in ZIP 20623 (34.1%) hold at least a bachelor's degree, close to the national share of 35.6%. The share is lower than in the Washington area overall (53.9%).
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 20623
| Period | ZIP 20623 | Washington area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 97.6% | 89.4% | 88.0% | 84.9% |
| 2010–14 | 94.0% | 90.2% | 89.1% | 86.1% |
| 2015–19 | 95.4% | 90.8% | 90.2% | 87.7% |
| 2020–24 | 94.7% | 91.2% | 90.9% | 89.3% |
| Change | −2.8 pts | +1.7 pts | +2.9 pts | +4.3 pts |
High school completion is high in ZIP 20623: 94.7% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%.
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 20623
| Period | ZIP 20623 | Washington area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 6.5% | 5.9% | 6.5% | 8.1% |
| 2010–14 | 5.4% | 6.9% | 8.1% | 9.4% |
| 2015–19 | 3.5% | 4.7% | 5.1% | 5.6% |
| 2020–24 | 3.6% | 4.8% | 5.0% | 5.4% |
| Change | −2.8 pts | −1.1 pts | −1.5 pts | −2.7 pts |
Unemployment in ZIP 20623 runs below the national rate: 3.6% of the labor force was out of work and looking, against 5.4% nationally. Each figure pools five years of surveys (2020–24), so it describes that whole stretch rather than today's 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 20623 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 20623 | 3.00 | 50.8 | 7.4% | 3.7% | 3.3% | 1989 | $1,799 | 34.1% | 94.7% | 3.6% |
| ZIP 20735 | 2.76 | 46.4 | 11.3% | 10.4% | 4.1% | 1987 | $2,474 | 33.6% | 90.4% | 4.9% |
| ZIP 20772 | 2.73 | 43.3 | 12.5% | 11.8% | 4.2% | 1994 | $2,055 | 44.5% | 93.7% | 5.0% |
| ZIP 20613 | 2.87 | 44.6 | 9.6% | 5.2% | 4.0% | 2005 | $2,535 | 36.8% | 95.7% | 4.8% |
| ZIP 20762 | 3.19 | 24.6 | 7.7% | 98.9% | 13.5% | 1990 | $2,731 | 35.5% | 94.6% | 3.6% |
| ZIP 20748 | 2.53 | 42.1 | 15.9% | 43.8% | 6.2% | 1967 | $1,808 | 29.7% | 91.1% | 8.4% |
| ZIP 20746 | 2.06 | 44.7 | 15.3% | 63.6% | 7.6% | 1981 | $1,777 | 28.4% | 92.5% | 5.7% |
| ZIP 20747 | 2.42 | 40.0 | 16.1% | 49.5% | 9.3% | 1971 | $1,859 | 25.0% | 90.3% | 6.3% |
| ZIP 20744 | 2.74 | 45.8 | 10.3% | 18.7% | 5.8% | 1979 | $2,137 | 38.5% | 91.5% | 6.7% |
| ZIP 20601 | 2.76 | 39.9 | 12.9% | 20.7% | 5.5% | 1990 | $2,194 | 32.2% | 95.4% | 5.4% |
| ZIP 20754 | 3.29 | 40.2 | 6.0% | 8.4% | 4.2% | 1985 | $2,580 | 48.8% | 94.6% | 1.6% |
All figures 2020–24.
Zip codes with similar populations: 83101, WY · 47024, IN · 41010, KY · 73433, OK · 79252, TX · 73007, OK · 50423, IA · 49232, MI · 62281, IL · 72040, AR
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 20623. 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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