Population 3,936 · Census ACS 2020–24
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Population and households in ZIP 21536
Household size in ZIP 21536
| Period | ZIP 21536 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 2.57 | 2.68 | 2.68 |
| 2010–14 | 2.53 | 2.73 | 2.73 |
| 2015–19 | 2.54 | 2.74 | 2.71 |
| 2020–24 | 2.29 | 2.68 | 2.65 |
| Change | −0.28 | +0.01 | −0.03 |
ZIP 21536 is a place of small households, averaging 2.29 people against 2.65 for the U.S., which points to many singles, couples and roommates and relatively few children. Household size has dropped from 2.57 in 2006–10, but in a place this small, much of that may be survey noise rather than real change.
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 21536
| Period | ZIP 21536 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 39.2 | 38.5 | 37.7 |
| 2010–14 | 42.5 | 39.3 | 38.6 |
| 2015–19 | 44.1 | 40.2 | 39.6 |
| 2020–24 | 46.8 | 40.6 | 40.1 |
| Change | +7.5 | +2.1 | +2.3 |
With a median age of 46.8, ZIP 21536 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 21536
| Period | ZIP 21536 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 11.4% | 12.5% | 12.3% |
| 2010–14 | 6.8% | 12.6% | 12.3% |
| 2015–19 | 13.9% | 11.7% | 11.6% |
| 2020–24 | 6.5% | 11.7% | 11.6% |
| Change | −4.9 pts | −0.9 pts | −0.6 pts |
Single parents head only 6.5% of households in ZIP 21536, 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 21536
Renters in ZIP 21536
| Period | ZIP 21536 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 24.1% | 31.0% | 33.3% |
| 2010–14 | 26.6% | 32.9% | 35.6% |
| 2015–19 | 21.6% | 33.1% | 36.0% |
| 2020–24 | 23.4% | 32.4% | 34.8% |
| Change | −0.7 pts | +1.4 pts | +1.5 pts |
ZIP 21536 is largely a place of homeowners: only 23.4% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. About half of owners (49.8%) 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 21536
| Period | ZIP 21536 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 13.3% | 9.0% | 11.4% |
| 2010–14 | 15.3% | 8.9% | 11.4% |
| 2015–19 | 16.7% | 8.9% | 11.1% |
| 2020–24 | 9.5% | 7.1% | 9.6% |
| Change | −3.8 pts | −1.9 pts | −1.8 pts |
About as many homes sit empty in ZIP 21536 as nationally: 9.5%, 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 21536
| Period | ZIP 21536 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 1974 | 1974 | 1974 |
| 2010–14 | 1977 | 1975 | 1975 |
| 2015–19 | 1978 | 1976 | 1977 |
| 2020–24 | 1982 | 1978 | 1980 |
| Change | +8 | +4 | +6 |
Homes in ZIP 21536 are about the same age as the nation's housing: the median home was built in 1982, 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 21536
| Period | ZIP 21536 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | $599 | $1,249 | $965 |
| 2010–14 | $685 | $1,363 | $1,040 |
| 2015–19 | $626 | $1,576 | $1,213 |
| 2020–24 | $935 | $1,869 | $1,571 |
| Change | +$336 | +$620 | +$606 |
A typical rental in ZIP 21536 costs $935 a month with utilities, well below the national median of $1,571. The typical renter here spends 24.5% of household income on rent, comfortably under the 30% mark often used to define affordable rent, and a smaller share than renters pay nationally.
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 21536
Bachelor's degrees in ZIP 21536
| Period | ZIP 21536 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 16.4% | 36.3% | 28.4% |
| 2010–14 | 17.3% | 37.7% | 29.6% |
| 2015–19 | 16.8% | 40.5% | 32.1% |
| 2020–24 | 20.6% | 43.4% | 35.6% |
| Change | +4.2 pts | +7.1 pts | +7.2 pts |
College degrees are relatively uncommon in ZIP 21536: 20.6% 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 21536
| Period | ZIP 21536 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 80.2% | 88.0% | 84.9% |
| 2010–14 | 87.1% | 89.1% | 86.1% |
| 2015–19 | 85.0% | 90.2% | 87.7% |
| 2020–24 | 87.5% | 90.9% | 89.3% |
| Change | +7.3 pts | +2.9 pts | +4.3 pts |
About one in eight adults in ZIP 21536 never finished high school, a bit more than nationally: 87.5% have a diploma or equivalent, against 89.3% across the U.S.
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 21536
| Period | ZIP 21536 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 6.6% | 6.5% | 8.1% |
| 2010–14 | 6.0% | 8.1% | 9.4% |
| 2015–19 | 2.9% | 5.1% | 5.6% |
| 2020–24 | 2.1% | 5.0% | 5.4% |
| Change | −4.5 pts | −1.5 pts | −2.7 pts |
The job market in ZIP 21536 has been strong: just 2.1% 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 21536 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 21536 | 2.29 | 46.8 | 6.5% | 23.4% | 9.5% | 1982 | $935 | 20.6% | 87.5% | 2.1% |
| ZIP 15562 | 2.95 | 41.5 | 0.6% | 22.0% | 21.1% | 1964 | $859 | 27.2% | 84.4% | 3.2% |
| ZIP 15558 | 2.91 | 39.9 | 2.2% | 21.1% | 22.5% | 1955 | $813 | 19.1% | 84.4% | 5.2% |
| ZIP 21522 | 2.51 | 43.1 | 4.7% | 8.1% | 12.2% | 1978 | $1,351 | 14.4% | 89.0% | 0.9% |
| ZIP 15532 | 3.56 | 35.3 | 3.2% | 26.6% | 13.0% | 1940 | $811 | 11.1% | 71.1% | 0.8% |
| ZIP 21520 | 2.39 | 44.7 | 3.3% | 18.9% | 15.6% | 1984 | $816 | 24.2% | 91.2% | 5.0% |
| ZIP 15540 | 2.35 | 50.7 | 3.1% | 17.7% | 33.3% | 1973 | $751 | 13.4% | 90.9% | 5.4% |
| ZIP 15411 | 2.20 | 45.5 | 9.2% | 14.4% | 42.0% | 1974 | $919 | 22.1% | 92.0% | 2.2% |
| ZIP 21543 | 1.99 | 49.5 | 4.6% | 5.7% | 12.3% | 1965 | $844 | 34.3% | 95.0% | 12.8% |
| ZIP 21539 | 2.22 | 50.3 | 6.7% | 31.1% | 20.0% | 1957 | $903 | 19.5% | 89.0% | 5.5% |
| ZIP 21532 | 2.21 | 37.9 | 11.8% | 37.0% | 13.7% | 1961 | $893 | 31.0% | 91.7% | 6.3% |
All figures 2020–24.
Zip codes with similar populations: 97463, OR · 01541, MA · 98333, WA · 78636, TX · 75567, TX · 29718, SC · 29435, SC · 29353, SC · 75691, TX · 28741, NC
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 21536. 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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