Population 242 · Census ACS 2020–24
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Population and households in ZIP 21667
Household size in ZIP 21667
| Period | ZIP 21667 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 2.60 | 2.68 | 2.68 |
| 2010–14 | 2.91 | 2.73 | 2.73 |
| 2015–19 | 2.37 | 2.74 | 2.71 |
| 2020–24 | 2.10 | 2.68 | 2.65 |
| Change | −0.50 | +0.01 | −0.03 |
Households in ZIP 21667 are small: just 2.10 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. Household size has dropped from 2.60 in 2006–10, 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 21667
| Period | ZIP 21667 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 42.6 | 38.5 | 37.7 |
| 2010–14 | 46.2 | 39.3 | 38.6 |
| 2015–19 | 54.9 | 40.2 | 39.6 |
| 2020–24 | 57.2 | 40.6 | 40.1 |
| Change | +14.6 | +2.1 | +2.3 |
ZIP 21667 skews older: half of its residents are older than 57.2, 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 21667
| Period | ZIP 21667 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 18.3% | 12.5% | 12.3% |
| 2010–14 | 6.8% | 12.6% | 12.3% |
| 2015–19 | 4.5% | 11.7% | 11.6% |
| 2020–24 | 7.2% | 11.7% | 11.6% |
| Change | −11.0 pts | −0.9 pts | −0.6 pts |
Single-parent households are relatively rare in ZIP 21667: 7.2% 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 21667
Renters in ZIP 21667
| Period | ZIP 21667 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 15.6% | 31.0% | 33.3% |
| 2010–14 | 10.1% | 32.9% | 35.6% |
| 2015–19 | 8.8% | 33.1% | 36.0% |
| 2020–24 | 14.1% | 32.4% | 34.8% |
| Change | −1.6 pts | +1.4 pts | +1.5 pts |
ZIP 21667 is overwhelmingly a place of homeowners: only 14.1% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Among homeowners, 56.5% have no mortgage at all, 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 21667
| Period | ZIP 21667 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 34.2% | 9.0% | 11.4% |
| 2010–14 | 38.8% | 8.9% | 11.4% |
| 2015–19 | 32.8% | 8.9% | 11.1% |
| 2020–24 | 26.8% | 7.1% | 9.6% |
| Change | −7.4 pts | −1.9 pts | −1.8 pts |
Vacant homes make up 26.8% of the housing in ZIP 21667, 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 21667
| Period | ZIP 21667 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 1970 | 1974 | 1974 |
| 2010–14 | 1972 | 1975 | 1975 |
| 2015–19 | 1954 | 1976 | 1977 |
| 2020–24 | 1962 | 1978 | 1980 |
| Change | −8 | +4 | +6 |
ZIP 21667 is a place of older homes: half were built before 1962, while the national median is 1980. That means established neighborhoods, and more houses that may need updating.
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 21667
| Period | ZIP 21667 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | $839 | $1,249 | $965 |
| 2010–14 | $1,106 | $1,363 | $1,040 |
| 2015–19 | $1,820 | $1,576 | $1,213 |
| 2020–24 | $1,613 | $1,869 | $1,571 |
| Change | +$774 | +$620 | +$606 |
The median renter in ZIP 21667 pays $1,613 a month for rent and utilities, close to the national median of $1,571. Rents here are lower than in Maryland overall ($1,869). Rent takes 51.0% of the typical renter's income, 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 21667
Bachelor's degrees in ZIP 21667
| Period | ZIP 21667 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 25.3% | 36.3% | 28.4% |
| 2010–14 | 21.7% | 37.7% | 29.6% |
| 2015–19 | 40.5% | 40.5% | 32.1% |
| 2020–24 | 37.8% | 43.4% | 35.6% |
| Change | +12.5 pts | +7.1 pts | +7.2 pts |
College degrees are about as common in ZIP 21667 as nationally: 37.8% of adults 25 and older have a bachelor's or higher, against 35.6%. The share is lower than in Maryland as a whole (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 21667
| Period | ZIP 21667 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 82.8% | 88.0% | 84.9% |
| 2010–14 | 88.8% | 89.1% | 86.1% |
| 2015–19 | 91.4% | 90.2% | 87.7% |
| 2020–24 | 98.9% | 90.9% | 89.3% |
| Change | +16.0 pts | +2.9 pts | +4.3 pts |
Finishing high school is nearly universal in ZIP 21667: 98.9% 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 21667
| Period | ZIP 21667 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 5.8% | 6.5% | 8.1% |
| 2010–14 | 7.9% | 8.1% | 9.4% |
| 2015–19 | 4.5% | 5.1% | 5.6% |
| 2020–24 | 6.1% | 5.0% | 5.4% |
| Change | +0.3 pts | −1.5 pts | −2.7 pts |
Jobs have been a little harder to find in ZIP 21667 than nationally: unemployment was 6.1%, 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 21667 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 21667 | 2.10 | 57.2 | 7.2% | 14.1% | 26.8% | 1962 | $1,613 | 37.8% | 98.9% | 6.1% |
| ZIP 21610 | 2.33 | 50.0 | 1.1% | 14.4% | 30.4% | 1973 | $2,033 | 34.7% | 95.6% | 3.6% |
| ZIP 21678 | 2.28 | 48.0 | 8.1% | 11.9% | 20.3% | 1984 | $1,621 | 25.4% | 95.4% | 2.5% |
| ZIP 21645 | 2.20 | 53.0 | 7.5% | 20.2% | 24.4% | 1972 | $1,379 | 32.0% | 99.4% | 5.4% |
| ZIP 21620 | 2.17 | 44.2 | 13.2% | 27.5% | 13.1% | 1978 | $1,331 | 45.0% | 91.4% | 3.3% |
| ZIP 21919 | 2.51 | 46.1 | 7.7% | 11.1% | 32.0% | 1980 | $1,578 | 29.9% | 92.4% | 8.5% |
| ZIP 21930 | 2.71 | 44.4 | 3.8% | 6.5% | 36.4% | 1975 | $1,500 | 43.7% | 93.8% | 10.8% |
| ZIP 21628 | 2.43 | 41.4 | 20.8% | 7.5% | 16.7% | 1994 | $1,889 | 20.6% | 90.2% | 11.3% |
| ZIP 21635 | 2.15 | 51.2 | 7.1% | 18.0% | 22.4% | 1979 | $1,283 | 38.0% | 86.0% | 3.3% |
| ZIP 21913 | 2.08 | 48.3 | 6.3% | 21.1% | 5.3% | 1975 | $1,095 | 39.7% | 93.4% | 2.4% |
| ZIP 21651 | 2.66 | 37.5 | 22.0% | 21.6% | 13.8% | 1988 | $1,540 | 17.2% | 89.6% | 5.9% |
All figures 2020–24.
Zip codes with similar populations: 01338, MA · 99773, AK · 02873, RI · 03607, NH · 03847, NH · 03883, NH · 04478, ME · 99638, AK · 99356, WA · 08352, NJ
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 21667. 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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