Population 3,293 · Census ACS 2020–24
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Population and households in ZIP 21890
Household size in ZIP 21890
| Period | ZIP 21890 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 1.21 | 2.68 | 2.68 |
| 2010–14 | 1.57 | 2.73 | 2.73 |
| 2015–19 | 2.24 | 2.74 | 2.71 |
| 2020–24 | 2.08 | 2.68 | 2.65 |
| Change | +0.87 | +0.01 | −0.03 |
ZIP 21890 is a place of small households, averaging 2.08 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 climbed from 1.21, 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 21890
| Period | ZIP 21890 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 34.8 | 38.5 | 37.7 |
| 2010–14 | 34.0 | 39.3 | 38.6 |
| 2015–19 | 34.1 | 40.2 | 39.6 |
| 2020–24 | 35.9 | 40.6 | 40.1 |
| Change | +1.1 | +2.1 | +2.3 |
ZIP 21890 is young: half of its residents are under 35.9, compared with a national median of 40.1. The population tilts toward young adults, many of them living alone or as couples.
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 21890
| Period | ZIP 21890 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 13.4% | 12.5% | 12.3% |
| 2010–14 | 12.0% | 12.6% | 12.3% |
| 2015–19 | 15.2% | 11.7% | 11.6% |
| 2020–24 | 2.8% | 11.7% | 11.6% |
| Change | −10.6 pts | −0.9 pts | −0.6 pts |
Single parents head only 2.8% of households in ZIP 21890, 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 21890
Renters in ZIP 21890
| Period | ZIP 21890 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 0.0% | 31.0% | 33.3% |
| 2010–14 | 0.0% | 32.9% | 35.6% |
| 2015–19 | 13.8% | 33.1% | 36.0% |
| 2020–24 | 0.0% | 32.4% | 34.8% |
| Change | ±0.0 pts | +1.4 pts | +1.5 pts |
Almost every household in ZIP 21890 owns its home; nationally, 34.8% rent. Among homeowners, 40.5% have no mortgage at all, about the same as nationally.
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 21890
| Period | ZIP 21890 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 24.3% | 9.0% | 11.4% |
| 2010–14 | 22.2% | 8.9% | 11.4% |
| 2015–19 | 31.0% | 8.9% | 11.1% |
| 2020–24 | 10.9% | 7.1% | 9.6% |
| Change | −13.5 pts | −1.9 pts | −1.8 pts |
Vacancy in ZIP 21890 is close to the national rate: 10.9% of homes are empty, 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 21890
| Period | ZIP 21890 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 1979 | 1974 | 1974 |
| 2010–14 | 1938 | 1975 | 1975 |
| 2015–19 | 1938 | 1976 | 1977 |
| 2020–24 | 1959 | 1978 | 1980 |
| Change | −20 | +4 | +6 |
ZIP 21890 is a place of older homes: half were built before 1959, 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 21890
| Period | ZIP 21890 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | $679 | $1,249 | $965 |
| 2010–14 | $716 | $1,363 | $1,040 |
| 2015–19 | $716 | $1,576 | $1,213 |
| 2020–24 | $980 | $1,869 | $1,571 |
| Change | +$301 | +$620 | +$606 |
The median renter in ZIP 21890 pays $980 a month for rent and utilities, well below the national median of $1,571. The typical renter here spends 34.1% 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 21890
Bachelor's degrees in ZIP 21890
| Period | ZIP 21890 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 2.1% | 36.3% | 28.4% |
| 2010–14 | 3.5% | 37.7% | 29.6% |
| 2015–19 | 2.5% | 40.5% | 32.1% |
| 2020–24 | 2.4% | 43.4% | 35.6% |
| Change | +0.3 pts | +7.1 pts | +7.2 pts |
Fewer adults in ZIP 21890 have a four-year degree than in the country as a whole: 2.4%, against 35.6% nationally.
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 21890
| Period | ZIP 21890 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 73.3% | 88.0% | 84.9% |
| 2010–14 | 69.2% | 89.1% | 86.1% |
| 2015–19 | 70.7% | 90.2% | 87.7% |
| 2020–24 | 71.3% | 90.9% | 89.3% |
| Change | −1.9 pts | +2.9 pts | +4.3 pts |
Nearly three in ten adults in ZIP 21890 never finished high school, well above the national share: only 71.3% have a diploma or equivalent, against 89.3% nationally.
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 21890
| Period | ZIP 21890 | Maryland | U.S. |
|---|---|---|---|
| 2006–10 | 0.0% | 6.5% | 8.1% |
| 2010–14 | 17.4% | 8.1% | 9.4% |
| 2015–19 | 0.0% | 5.1% | 5.6% |
| 2020–24 | 31.2% | 5.0% | 5.4% |
| Change | +31.2 pts | −1.5 pts | −2.7 pts |
Unemployment in ZIP 21890 runs well above the national rate: 31.2% of the labor force was out of work and looking, against 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 21890 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 21890 | 2.08 | 35.9 | 2.8% | 0.0% | 10.9% | 1959 | $980 | 2.4% | 71.3% | 31.2% |
| ZIP 21853 | 2.47 | 34.8 | 15.7% | 35.7% | 25.5% | 1992 | $1,156 | 27.1% | 93.1% | 6.6% |
| ZIP 21871 | 2.33 | 52.5 | 4.3% | 11.6% | 21.4% | 1977 | $972 | 14.9% | 86.5% | 11.8% |
| ZIP 21867 | 2.16 | 55.4 | 5.4% | 15.8% | 10.4% | 1984 | $980 | 22.7% | 82.5% | 23.9% |
| ZIP 21838 | 2.49 | 48.5 | 5.9% | 11.3% | 18.4% | 1977 | $944 | 18.1% | 93.5% | 3.9% |
| ZIP 21810 | 2.23 | 56.5 | 2.5% | 4.6% | 1.9% | 1991 | $1,199 | 49.5% | 96.2% | 3.4% |
| ZIP 21822 | 2.72 | 42.7 | 8.9% | 15.0% | 12.2% | 1991 | $1,185 | 32.4% | 94.7% | 9.6% |
| ZIP 21851 | 2.35 | 43.6 | 12.1% | 34.0% | 14.9% | 1973 | $832 | 21.6% | 92.0% | 8.9% |
| ZIP 21821 | 2.02 | 50.3 | 6.4% | 19.8% | 36.1% | 1967 | $1,297 | 9.9% | 80.9% | 6.3% |
| ZIP 21840 | 2.66 | 48.9 | 16.0% | 16.0% | 44.5% | 1962 | $1,199 | 20.2% | 100.0% | 15.7% |
| ZIP 21814 | 2.66 | 48.9 | 16.0% | 16.0% | 44.5% | 1962 | $1,199 | 20.2% | 100.0% | 15.7% |
All figures 2020–24.
Zip codes with similar populations: 21850, MD · 56373, MN · 40385, KY · 45390, OH · 32009, FL · 67045, KS · 73019, OK · 29075, SC · 43557, OH · 24954, WV
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 21890. 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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