Population 5,928 · Census ACS 2020–24
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Population and households in ZIP 20685
Household size in ZIP 20685
| Period | ZIP 20685 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 2.84 | 2.68 | 2.68 |
| 2010–14 | 3.02 | 2.73 | 2.73 |
| 2015–19 | 2.91 | 2.74 | 2.71 |
| 2020–24 | 2.84 | 2.68 | 2.65 |
| Change | −0.00 | +0.01 | −0.03 |
Households in ZIP 20685 average 2.84 people, above the national 2.65, so families with children are more common here. Households are largest in the center and smallest in the south.
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 20685
| Period | ZIP 20685 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 37.9 | 38.5 | 37.7 |
| 2010–14 | 41.7 | 39.3 | 38.6 |
| 2015–19 | 40.6 | 40.2 | 39.6 |
| 2020–24 | 44.3 | 40.6 | 40.1 |
| Change | +6.4 | +2.1 | +2.3 |
With a median age of 44.3, ZIP 20685 is noticeably older than the country as a whole (40.1), an age mix that tilts toward empty nesters and retirees. Since 2006–10, the median age has climbed from 37.9, as it has nationally. ZIP 20685 is older than at least four in five Maryland ZIP codes.
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 20685
| Period | ZIP 20685 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 7.6% | 12.5% | 12.3% |
| 2010–14 | 9.2% | 12.6% | 12.3% |
| 2015–19 | 15.0% | 11.7% | 11.6% |
| 2020–24 | 6.3% | 11.7% | 11.6% |
| Change | −1.4 pts | −0.9 pts | −0.6 pts |
Single parents head only 6.3% of households in ZIP 20685, well below the national share of 11.6%. The single-parent share has edged down 1.4 points since 2006–10, as it has nationally. ZIP 20685 has a lower share of single-parent households than the great majority of Maryland ZIP codes.
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 20685
Renters in ZIP 20685
| Period | ZIP 20685 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 10.2% | 31.0% | 33.3% |
| 2010–14 | 12.9% | 32.9% | 35.6% |
| 2015–19 | 10.0% | 33.1% | 36.0% |
| 2020–24 | 9.3% | 32.4% | 34.8% |
| Change | −0.9 pts | +1.4 pts | +1.5 pts |
ZIP 20685 is overwhelmingly a place of homeowners: only 9.3% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Among homeowners, 24.9% have no mortgage at all, well below the national share of 39.8%. The renter share is down 0.9 points from 2006–10, even as the national share rose.
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 20685
| Period | ZIP 20685 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 10.5% | 9.0% | 11.4% |
| 2010–14 | 9.1% | 8.9% | 11.4% |
| 2015–19 | 10.6% | 8.9% | 11.1% |
| 2020–24 | 15.7% | 7.1% | 9.6% |
| Change | +5.1 pts | −1.9 pts | −1.8 pts |
Vacancy is high in ZIP 20685: 15.7% of homes are empty, far above the national rate of 9.6%. In resort and lake areas that usually means seasonal and vacation homes; elsewhere it can point to weak demand. Vacancy is up 5.1 points from 2006–10, even as the national rate fell.
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 20685
| Period | ZIP 20685 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 1989 | 1974 | 1974 |
| 2010–14 | 1987 | 1975 | 1975 |
| 2015–19 | 1988 | 1976 | 1977 |
| 2020–24 | 1983 | 1978 | 1980 |
| Change | −6 | +4 | +6 |
Homes in ZIP 20685 are about the same age as the nation's housing: the median home was built in 1983, versus 1980 nationally. Homes here are newer than in Maryland as a whole, where the median home dates to 1978. Newer construction is concentrated in the west, while the north has the oldest housing.
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 20685
| Period | ZIP 20685 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | $1,204 | $1,249 | $965 |
| 2010–14 | $1,449 | $1,363 | $1,040 |
| 2015–19 | $1,727 | $1,576 | $1,213 |
| 2020–24 | $1,855 | $1,869 | $1,571 |
| Change | +$652 | +$620 | +$606 |
The median renter in ZIP 20685 pays $1,855 a month for rent and utilities, above the national median of $1,571. Rents are up $652 a month from 2006–10, a 54% rise, a slower climb than the nation's. The typical renter here spends 21.5% of household income on rent, comfortably under the 30% mark often used to define affordable rent, and a smaller share than renters pay nationally. Rents run highest in the east and lowest in the south.
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 20685
Bachelor's degrees in ZIP 20685
| Period | ZIP 20685 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 34.5% | 36.3% | 28.4% |
| 2010–14 | 30.1% | 37.7% | 29.6% |
| 2015–19 | 28.5% | 40.5% | 32.1% |
| 2020–24 | 29.8% | 43.4% | 35.6% |
| Change | −4.8 pts | +7.1 pts | +7.2 pts |
About three in ten adults 25 and older in ZIP 20685 (29.8%) have a bachelor's degree or higher, a little below the national share of 35.6%. Since 2006–10, the share with a degree has fallen 4.8 points, even as the national share rose. College graduates are most concentrated in the south and least in the northeast.
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 20685
| Period | ZIP 20685 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 92.6% | 88.0% | 84.9% |
| 2010–14 | 94.0% | 89.1% | 86.1% |
| 2015–19 | 92.7% | 90.2% | 87.7% |
| 2020–24 | 94.7% | 90.9% | 89.3% |
| Change | +2.1 pts | +2.9 pts | +4.3 pts |
High school completion is high in ZIP 20685: 94.7% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%. Since 2006–10, the share with a diploma has risen 2.1 points, mirroring the country.
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 20685
| Period | ZIP 20685 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 4.2% | 6.5% | 8.1% |
| 2010–14 | 7.0% | 8.1% | 9.4% |
| 2015–19 | 3.5% | 5.1% | 5.6% |
| 2020–24 | 1.8% | 5.0% | 5.4% |
| Change | −2.4 pts | −1.5 pts | −2.7 pts |
Unemployment in ZIP 20685 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 12 have lower unemployment. Unemployment has fallen 2.4 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 20685 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 20685 | 2.84 | 44.3 | 6.3% | 9.3% | 15.7% | 1983 | $1,855 | 29.8% | 94.7% | 1.8% |
| ZIP 20676 | 2.63 | 48.3 | 3.9% | 8.0% | 7.8% | 1981 | $1,662 | 34.4% | 94.3% | 2.8% |
| ZIP 20615 | 2.81 | 52.3 | 1.2% | 5.2% | 6.7% | 1984 | $1,677 | 16.4% | 89.6% | 0.0% |
| ZIP 20678 | 2.57 | 39.9 | 9.7% | 19.1% | 6.6% | 1993 | $1,409 | 30.1% | 94.5% | 2.3% |
| ZIP 20657 | 2.81 | 38.3 | 8.6% | 13.8% | 9.7% | 1990 | $1,849 | 33.2% | 94.4% | 3.3% |
| ZIP 20688 | 2.20 | 54.8 | 7.4% | 24.5% | 15.3% | 1997 | $2,452 | 43.3% | 96.0% | 2.0% |
| ZIP 20636 | 3.06 | 37.9 | 12.3% | 14.2% | 15.9% | 1993 | $1,845 | 38.2% | 90.7% | 2.9% |
| ZIP 20629 | 2.15 | 54.6 | 7.4% | 4.5% | 12.8% | 2000 | $2,130 | 44.3% | 95.0% | 0.0% |
| ZIP 20612 | 3.07 | 41.4 | 17.5% | 4.0% | 5.2% | 1997 | $2,054 | 42.8% | 98.7% | 3.0% |
| ZIP 21669 | 2.47 | 53.2 | 3.9% | 1.7% | 50.5% | 1980 | $1,256 | 25.4% | 90.2% | 4.1% |
| ZIP 20660 | 2.79 | 37.0 | 22.7% | 39.3% | 9.0% | 1981 | $1,435 | 22.8% | 98.5% | 0.4% |
All figures 2020–24.
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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 20685. 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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