Population 862 · Census ACS 2020–24
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Population and households in ZIP 21766
Household size in ZIP 21766
| Period | ZIP 21766 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 2.45 | 2.68 | 2.68 |
| 2010–14 | 1.99 | 2.73 | 2.73 |
| 2015–19 | 1.96 | 2.74 | 2.71 |
| 2020–24 | 2.39 | 2.68 | 2.65 |
| Change | −0.06 | +0.01 | −0.03 |
ZIP 21766 is a place of small households, averaging 2.39 people against 2.65 for the U.S., which points to many singles, couples and roommates and relatively few children.
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 21766
| Period | ZIP 21766 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 52.1 | 38.5 | 37.7 |
| 2010–14 | 56.5 | 39.3 | 38.6 |
| 2015–19 | 54.7 | 40.2 | 39.6 |
| 2020–24 | 37.3 | 40.6 | 40.1 |
| Change | −14.8 | +2.1 | +2.3 |
The median resident of ZIP 21766 is 37.3 years old, a few years younger than the national median of 40.1. The median age has dropped from 52.1 in 2006–10, but in a place this small, much of that may be survey noise rather than real change.
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 21766
| Period | ZIP 21766 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 2.9% | 12.5% | 12.3% |
| 2010–14 | 8.9% | 12.6% | 12.3% |
| 2015–19 | 4.0% | 11.7% | 11.6% |
| 2020–24 | 5.8% | 11.7% | 11.6% |
| Change | +2.9 pts | −0.9 pts | −0.6 pts |
Single-parent households are relatively rare in ZIP 21766: 5.8% of households, against 11.6% nationally.
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 21766
Renters in ZIP 21766
| Period | ZIP 21766 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 16.9% | 31.0% | 33.3% |
| 2010–14 | 22.0% | 32.9% | 35.6% |
| 2015–19 | 22.5% | 33.1% | 36.0% |
| 2020–24 | 27.6% | 32.4% | 34.8% |
| Change | +10.7 pts | +1.4 pts | +1.5 pts |
More than a quarter of households in ZIP 21766 rent their homes (27.6%), below the national share of 34.8%; the rest own. More than half of owners (54.6%) have paid off their mortgages, well 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 21766
| Period | ZIP 21766 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 8.9% | 9.0% | 11.4% |
| 2010–14 | 34.8% | 8.9% | 11.4% |
| 2015–19 | 53.3% | 8.9% | 11.1% |
| 2020–24 | 36.7% | 7.1% | 9.6% |
| Change | +27.9 pts | −1.9 pts | −1.8 pts |
Vacant homes make up 36.7% of the housing in ZIP 21766, 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 21766
| Period | ZIP 21766 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 1977 | 1974 | 1974 |
| 2010–14 | 1975 | 1975 | 1975 |
| 2015–19 | 1991 | 1976 | 1977 |
| 2020–24 | 1993 | 1978 | 1980 |
| Change | +16 | +4 | +6 |
Much of the housing in ZIP 21766 is relatively new: half of its homes were built after 1993, compared with 1980 for the U.S. as a whole.
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 21766
| Period | ZIP 21766 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | $628 | $1,249 | $965 |
| 2010–14 | $536 | $1,363 | $1,040 |
| 2015–19 | $635 | $1,576 | $1,213 |
| 2020–24 | $736 | $1,869 | $1,571 |
| Change | +$108 | +$620 | +$606 |
A typical rental in ZIP 21766 costs $736 a month with utilities, well below the national median of $1,571. The typical renter here spends 9.0% 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 21766
Bachelor's degrees in ZIP 21766
| Period | ZIP 21766 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 17.3% | 36.3% | 28.4% |
| 2010–14 | 14.6% | 37.7% | 29.6% |
| 2015–19 | 7.4% | 40.5% | 32.1% |
| 2020–24 | 28.5% | 43.4% | 35.6% |
| Change | +11.2 pts | +7.1 pts | +7.2 pts |
Nearly three in ten adults 25 and older in ZIP 21766 (28.5%) have a bachelor's degree or higher, 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 21766
| Period | ZIP 21766 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 86.5% | 88.0% | 84.9% |
| 2010–14 | 84.9% | 89.1% | 86.1% |
| 2015–19 | 90.1% | 90.2% | 87.7% |
| 2020–24 | 95.3% | 90.9% | 89.3% |
| Change | +8.8 pts | +2.9 pts | +4.3 pts |
High school completion is high in ZIP 21766: 95.3% 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 21766
| Period | ZIP 21766 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 7.1% | 6.5% | 8.1% |
| 2010–14 | 16.0% | 8.1% | 9.4% |
| 2015–19 | 2.7% | 5.1% | 5.6% |
| 2020–24 | 10.0% | 5.0% | 5.4% |
| Change | +2.9 pts | −1.5 pts | −2.7 pts |
Unemployment in ZIP 21766 runs well above the national rate: 10.0% of the labor force was out of work and looking, against 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 21766 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 21766 | 2.39 | 37.3 | 5.8% | 27.6% | 36.7% | 1993 | $736 | 28.5% | 95.3% | 10.0% |
| ZIP 17211 | 2.28 | 50.8 | 7.5% | 17.6% | 30.6% | 1979 | $861 | 12.7% | 88.9% | 5.3% |
| ZIP 25422 | 2.45 | 53.1 | 11.4% | 0.6% | 44.8% | 1991 | $782 | 14.8% | 82.1% | 3.7% |
| ZIP 21530 | 2.28 | 51.6 | 11.0% | 17.1% | 30.0% | 1974 | $817 | 21.4% | 92.4% | 7.2% |
| ZIP 21750 | 2.05 | 48.4 | 7.5% | 25.4% | 12.7% | 1972 | $969 | 12.2% | 92.0% | 2.2% |
| ZIP 17267 | 2.56 | 44.0 | 8.9% | 17.6% | 10.0% | 1980 | $837 | 21.4% | 91.5% | 3.9% |
| ZIP 25411 | 2.37 | 48.6 | 9.3% | 18.9% | 15.8% | 1985 | $882 | 19.6% | 89.6% | 3.7% |
| ZIP 21555 | 2.40 | 49.4 | 3.2% | 15.9% | 25.2% | 1974 | $743 | 15.5% | 92.6% | 6.5% |
| ZIP 26722 | 2.98 | 45.8 | 11.5% | 16.4% | 46.4% | 1980 | $1,078 | 25.5% | 95.8% | 0.0% |
| ZIP 21711 | 2.77 | 40.0 | 14.4% | 2.9% | 5.2% | 1990 | $847 | 21.0% | 94.9% | 4.9% |
| ZIP 25427 | 2.56 | 42.5 | 8.2% | 13.9% | 10.2% | 1992 | $1,411 | 25.6% | 92.7% | 4.3% |
All figures 2020–24.
Zip codes with similar populations: 04628, ME · 99143, WA · 62282, IL · 69156, NE · 62423, IL · 62425, IL · 62994, IL · 63434, MO · 63558, MO · 64650, MO
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 21766. 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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