Population 119 · Census ACS 2020–24
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Population and households in ZIP 21641
Household size in ZIP 21641
| Period | ZIP 21641 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 2.97 | 2.68 | 2.68 |
| 2010–14 | 3.23 | 2.73 | 2.73 |
| 2015–19 | 2.65 | 2.74 | 2.71 |
| 2020–24 | 2.30 | 2.68 | 2.65 |
| Change | −0.67 | +0.01 | −0.03 |
ZIP 21641 is a place of small households, averaging 2.30 people against 2.65 for the U.S., which points to many singles, couples and roommates and relatively few children. Since 2006–10, household size has dropped from 2.97, 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 21641
| Period | ZIP 21641 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 35.2 | 38.5 | 37.7 |
| 2010–14 | 28.8 | 39.3 | 38.6 |
| 2015–19 | 47.4 | 40.2 | 39.6 |
| 2020–24 | 48.2 | 40.6 | 40.1 |
| Change | +13.0 | +2.1 | +2.3 |
ZIP 21641 skews older: half of its residents are older than 48.2, well above the national median of 40.1. That usually means more empty nesters and retirees, and fewer young families.
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 21641
| Period | ZIP 21641 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 5.9% | 12.5% | 12.3% |
| 2010–14 | 7.5% | 12.6% | 12.3% |
| 2015–19 | 15.6% | 11.7% | 11.6% |
| 2020–24 | 3.3% | 11.7% | 11.6% |
| Change | −2.6 pts | −0.9 pts | −0.6 pts |
Single parents head only 3.3% of households in ZIP 21641, 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 21641
Renters in ZIP 21641
| Period | ZIP 21641 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 19.1% | 31.0% | 33.3% |
| 2010–14 | 32.1% | 32.9% | 35.6% |
| 2015–19 | 8.6% | 33.1% | 36.0% |
| 2020–24 | 21.7% | 32.4% | 34.8% |
| Change | +2.6 pts | +1.4 pts | +1.5 pts |
ZIP 21641 is largely a place of homeowners: only 21.7% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. About a third of owners (33.0%) have paid off their mortgages, 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 21641
| Period | ZIP 21641 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 4.7% | 9.0% | 11.4% |
| 2010–14 | 12.8% | 8.9% | 11.4% |
| 2015–19 | 22.3% | 8.9% | 11.1% |
| 2020–24 | 10.1% | 7.1% | 9.6% |
| Change | +5.5 pts | −1.9 pts | −1.8 pts |
About as many homes sit empty in ZIP 21641 as nationally: 10.1%, against 9.6%. The rate is higher than in Maryland as a whole (7.1%).
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 21641
| Period | ZIP 21641 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 1979 | 1974 | 1974 |
| 2010–14 | 1978 | 1975 | 1975 |
| 2015–19 | 1972 | 1976 | 1977 |
| 2020–24 | 1986 | 1978 | 1980 |
| Change | +7 | +4 | +6 |
Homes in ZIP 21641 are newer than the national norm: the median home was built in 1986, versus 1980 across the U.S.
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 21641
| Period | ZIP 21641 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | $641 | $1,249 | $965 |
| 2010–14 | $886 | $1,363 | $1,040 |
| 2015–19 | $1,034 | $1,576 | $1,213 |
| 2020–24 | $1,570 | $1,869 | $1,571 |
| Change | +$929 | +$620 | +$606 |
Rent in ZIP 21641 runs $1,570 a month at the median, utilities included, close to the U.S. median of $1,571. Rents here are lower than in Maryland overall ($1,869). The typical renter here spends 34.0% 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 21641
Bachelor's degrees in ZIP 21641
| Period | ZIP 21641 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 25.9% | 36.3% | 28.4% |
| 2010–14 | 26.5% | 37.7% | 29.6% |
| 2015–19 | 27.5% | 40.5% | 32.1% |
| 2020–24 | 24.0% | 43.4% | 35.6% |
| Change | −1.9 pts | +7.1 pts | +7.2 pts |
College degrees are relatively uncommon in ZIP 21641: 24.0% of adults 25 and older hold a bachelor's or higher, well below 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 21641
| Period | ZIP 21641 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 88.0% | 88.0% | 84.9% |
| 2010–14 | 86.6% | 89.1% | 86.1% |
| 2015–19 | 89.4% | 90.2% | 87.7% |
| 2020–24 | 96.4% | 90.9% | 89.3% |
| Change | +8.4 pts | +2.9 pts | +4.3 pts |
High school completion is high in ZIP 21641: 96.4% 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 21641
| Period | ZIP 21641 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 1.4% | 6.5% | 8.1% |
| 2010–14 | 8.5% | 8.1% | 9.4% |
| 2015–19 | 5.6% | 5.1% | 5.6% |
| 2020–24 | 1.7% | 5.0% | 5.4% |
| Change | +0.3 pts | −1.5 pts | −2.7 pts |
The job market in ZIP 21641 has been strong: just 1.7% of the labor force was out of work and looking, well below the national rate of 5.4%. 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 21641 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 21641 | 2.30 | 48.2 | 3.3% | 21.7% | 10.1% | 1986 | $1,570 | 24.0% | 96.4% | 1.7% |
| ZIP 21657 | 2.76 | 42.5 | 3.4% | 13.2% | 5.7% | 1994 | $1,196 | 27.5% | 90.7% | 2.5% |
| ZIP 21660 | 2.79 | 38.0 | 8.2% | 23.3% | 4.2% | 1989 | $1,043 | 15.7% | 80.8% | 8.5% |
| ZIP 21625 | 2.83 | 45.5 | 5.3% | 15.5% | 12.4% | 1984 | $1,600 | 34.6% | 94.5% | 4.3% |
| ZIP 21629 | 2.70 | 42.6 | 16.5% | 34.2% | 6.8% | 1982 | $1,389 | 17.2% | 84.6% | 8.5% |
| ZIP 21679 | 2.72 | 49.5 | 2.1% | 13.4% | 14.8% | 1986 | $1,564 | 32.7% | 95.8% | 5.6% |
| ZIP 21639 | 2.70 | 38.5 | 11.3% | 25.2% | 7.7% | 1979 | $1,192 | 14.7% | 83.5% | 2.2% |
| ZIP 21617 | 2.59 | 42.9 | 9.0% | 22.1% | 5.6% | 1990 | $1,325 | 36.0% | 93.7% | 3.6% |
| ZIP 21636 | 2.45 | 42.6 | 22.2% | 14.3% | 11.3% | 1987 | $1,609 | 11.2% | 79.7% | 1.1% |
| ZIP 21658 | 2.66 | 47.8 | 6.6% | 9.3% | 15.0% | 1984 | $1,810 | 44.1% | 92.9% | 2.5% |
| ZIP 21640 | 2.70 | 37.2 | 23.8% | 13.7% | 8.9% | 1983 | $1,646 | 11.2% | 75.6% | 2.3% |
All figures 2020–24.
Zip codes with similar populations: 36031, AL · 82934, WY · 29659, SC · 82063, WY · 30423, GA · 81228, CO · 32133, FL · 32356, FL · 35119, AL · 29338, SC
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 21641. 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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