Population 2,605 · Census ACS 2020–24
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Population and households in ZIP 21561
Household size in ZIP 21561
| Period | ZIP 21561 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 2.53 | 2.68 | 2.68 |
| 2010–14 | 2.46 | 2.73 | 2.73 |
| 2015–19 | 2.26 | 2.74 | 2.71 |
| 2020–24 | 2.23 | 2.68 | 2.65 |
| Change | −0.30 | +0.01 | −0.03 |
Households in ZIP 21561 are small: just 2.23 people on average, compared with 2.65 nationally. That is typical of places where many people live alone or as couples, and fewer have children at home. Since 2006–10, household size has dropped from 2.53, 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 21561
| Period | ZIP 21561 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 46.9 | 38.5 | 37.7 |
| 2010–14 | 48.6 | 39.3 | 38.6 |
| 2015–19 | 49.2 | 40.2 | 39.6 |
| 2020–24 | 50.3 | 40.6 | 40.1 |
| Change | +3.4 | +2.1 | +2.3 |
With a median age of 50.3, ZIP 21561 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 21561
| Period | ZIP 21561 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 9.9% | 12.5% | 12.3% |
| 2010–14 | 8.3% | 12.6% | 12.3% |
| 2015–19 | 4.8% | 11.7% | 11.6% |
| 2020–24 | 6.8% | 11.7% | 11.6% |
| Change | −3.1 pts | −0.9 pts | −0.6 pts |
Single parents head only 6.8% of households in ZIP 21561, 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 21561
Renters in ZIP 21561
| Period | ZIP 21561 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 11.2% | 31.0% | 33.3% |
| 2010–14 | 11.4% | 32.9% | 35.6% |
| 2015–19 | 16.4% | 33.1% | 36.0% |
| 2020–24 | 14.2% | 32.4% | 34.8% |
| Change | +3.0 pts | +1.4 pts | +1.5 pts |
Only 14.2% of households in ZIP 21561 rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. More than four in ten owners (44.6%) have paid off their mortgages, above 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 21561
| Period | ZIP 21561 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 40.9% | 9.0% | 11.4% |
| 2010–14 | 44.2% | 8.9% | 11.4% |
| 2015–19 | 42.8% | 8.9% | 11.1% |
| 2020–24 | 41.5% | 7.1% | 9.6% |
| Change | +0.5 pts | −1.9 pts | −1.8 pts |
Vacancy is high in ZIP 21561: 41.5% 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.
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 21561
| Period | ZIP 21561 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 1972 | 1974 | 1974 |
| 2010–14 | 1975 | 1975 | 1975 |
| 2015–19 | 1978 | 1976 | 1977 |
| 2020–24 | 1980 | 1978 | 1980 |
| Change | +8 | +4 | +6 |
The typical home in ZIP 21561 was built around 1980, the same vintage as the country's housing overall.
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 21561
| Period | ZIP 21561 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | $716 | $1,249 | $965 |
| 2010–14 | $713 | $1,363 | $1,040 |
| 2015–19 | $728 | $1,576 | $1,213 |
| 2020–24 | $790 | $1,869 | $1,571 |
| Change | +$74 | +$620 | +$606 |
The median renter in ZIP 21561 pays $790 a month for rent and utilities, well below the national median of $1,571. The typical renter here spends 23.1% of household income on rent, comfortably under the 30% mark often used to define affordable rent, and a smaller share than renters pay nationally.
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 21561
Bachelor's degrees in ZIP 21561
| Period | ZIP 21561 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 24.0% | 36.3% | 28.4% |
| 2010–14 | 20.9% | 37.7% | 29.6% |
| 2015–19 | 22.4% | 40.5% | 32.1% |
| 2020–24 | 36.4% | 43.4% | 35.6% |
| Change | +12.5 pts | +7.1 pts | +7.2 pts |
More than a third of adults 25 and older in ZIP 21561 (36.4%) hold at least a bachelor's degree, close to the national share of 35.6%. The share is lower than in Maryland overall (43.4%).
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 21561
| Period | ZIP 21561 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 89.2% | 88.0% | 84.9% |
| 2010–14 | 90.9% | 89.1% | 86.1% |
| 2015–19 | 92.0% | 90.2% | 87.7% |
| 2020–24 | 92.2% | 90.9% | 89.3% |
| Change | +3.0 pts | +2.9 pts | +4.3 pts |
About nine in ten adults in ZIP 21561 have finished high school (92.2%), a bit above the national rate of 89.3%. The picture is much the same across Maryland.
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 21561
| Period | ZIP 21561 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 5.3% | 6.5% | 8.1% |
| 2010–14 | 6.5% | 8.1% | 9.4% |
| 2015–19 | 3.9% | 5.1% | 5.6% |
| 2020–24 | 3.3% | 5.0% | 5.4% |
| Change | −2.1 pts | −1.5 pts | −2.7 pts |
The job market in ZIP 21561 has been strong: just 3.3% 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 21561 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 21561 | 2.23 | 50.3 | 6.8% | 14.2% | 41.5% | 1980 | $790 | 36.4% | 92.2% | 3.3% |
| ZIP 21538 | 2.35 | 31.7 | 21.5% | 21.7% | 25.0% | 1965 | $778 | 7.8% | 95.1% | 15.9% |
| ZIP 21523 | 2.47 | 39.6 | 2.2% | 6.3% | 12.6% | 1970 | $764 | 19.0% | 82.3% | 4.1% |
| ZIP 21541 | 2.43 | 41.4 | 6.1% | 11.7% | 52.6% | 1984 | $845 | 32.5% | 93.2% | 5.7% |
| ZIP 21540 | 2.00 | 52.7 | 16.1% | 46.4% | 22.3% | 1960 | $515 | 14.0% | 83.1% | 1.7% |
| ZIP 26750 | 2.63 | 42.1 | 9.6% | 28.8% | 26.1% | 1960 | $493 | 12.1% | 89.4% | 10.3% |
| ZIP 21562 | 2.42 | 43.5 | 17.4% | 25.6% | 19.2% | 1957 | $637 | 14.1% | 90.9% | 1.0% |
| ZIP 26717 | 3.06 | 40.6 | 12.9% | 7.3% | 17.5% | 1979 | $559 | 13.0% | 81.8% | 10.8% |
| ZIP 21550 | 2.23 | 46.7 | 10.2% | 23.5% | 17.6% | 1979 | $822 | 26.2% | 90.8% | 5.0% |
| ZIP 21521 | 2.66 | 41.2 | 12.9% | 18.9% | 14.5% | 1951 | $854 | 7.6% | 94.0% | 6.5% |
| ZIP 21539 | 2.22 | 50.3 | 6.7% | 31.1% | 20.0% | 1957 | $903 | 19.5% | 89.0% | 5.5% |
All figures 2020–24.
Zip codes with similar populations: 74041, OK · 54466, WI · 39739, MS · 61748, IL · 45659, OH · 37332, TN · 32102, FL · 31002, GA · 56065, MN · 21794, MD
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 21561. 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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