21668, MD Demographics

Population 1,914 · Census ACS 2020–24

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21668, MD map of median age by neighborhood
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Population and households in ZIP 21668

Household size in ZIP 21668

Household size, people per household
PeriodZIP 21668Baltimore areaMarylandU.S.
2006–102.922.612.682.68
2010–142.842.652.732.73
2015–192.572.652.742.71
2020–242.672.592.682.65
Change−0.25−0.02+0.01−0.03
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Households in ZIP 21668 average 2.67 people, about the same as the country as a whole (2.65). The typical household here is bigger than in the Baltimore area as a whole, where it has 2.59 people. Since 2006–10, household size has dropped from 2.92, 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 21668

Median age, years
PeriodZIP 21668Baltimore areaMarylandU.S.
2006–1038.638.738.537.7
2010–1443.939.539.338.6
2015–1943.040.240.239.6
2020–2442.840.340.640.1
Change+4.2+1.6+2.1+2.3
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The median resident of ZIP 21668 is 42.8 years old, older than the national median of 40.1.

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 21668

Single-parent households, % of households
PeriodZIP 21668Baltimore areaMarylandU.S.
2006–1016.6%12.6%12.5%12.3%
2010–1410.1%12.3%12.6%12.3%
2015–1911.7%11.6%11.7%11.6%
2020–2414.5%11.5%11.7%11.6%
Change−2.1 pts−1.1 pts−0.9 pts−0.6 pts
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Single parents head about one in seven households in ZIP 21668 (14.5%), above 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 21668

Renters in ZIP 21668

Renters, % of occupied homes
PeriodZIP 21668Baltimore areaMarylandU.S.
2006–1014.0%32.0%31.0%33.3%
2010–1426.4%33.5%32.9%35.6%
2015–1926.3%33.5%33.1%36.0%
2020–2425.1%33.1%32.4%34.8%
Change+11.2 pts+1.1 pts+1.4 pts+1.5 pts
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Most households in ZIP 21668 own their homes; 25.1% rent, below the national share of 34.8%. About three in ten owners (30.3%) have paid off their mortgages, below 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 21668

Vacant homes, % of all homes
PeriodZIP 21668Baltimore areaMarylandU.S.
2006–1021.3%9.3%9.0%11.4%
2010–1419.6%9.3%8.9%11.4%
2015–1911.5%9.4%8.9%11.1%
2020–247.5%7.2%7.1%9.6%
Change−13.8 pts−2.1 pts−1.9 pts−1.8 pts
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Vacancy is on the low side in ZIP 21668: 7.5% of homes sit empty, against 9.6% nationally, which points to steady demand for housing. The Baltimore area as a whole looks much the same.

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 21668

Age of homes, median year built
PeriodZIP 21668Baltimore areaMarylandU.S.
2006–101972197119741974
2010–141973197219751975
2015–191980197319761977
2020–241988197519781980
Change+17+4+4+6
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Much of the housing in ZIP 21668 is relatively new: half of its homes were built after 1988, 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 21668

Rent, per month
PeriodZIP 21668Baltimore areaMarylandU.S.
2006–10$760$1,179$1,249$965
2010–14$700$1,293$1,363$1,040
2015–19$753$1,477$1,576$1,213
2020–24$1,157$1,778$1,869$1,571
Change+$397+$599+$620+$606
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The median renter in ZIP 21668 pays $1,157 a month for rent and utilities, well below the national median of $1,571. The typical renter here spends 32.4% of household income on rent, just over the 30% mark often used to define affordable rent.

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 21668

Bachelor's degrees in ZIP 21668

Bachelor's degrees, % of adults 25+
PeriodZIP 21668Baltimore areaMarylandU.S.
2006–1019.1%35.6%36.3%28.4%
2010–1423.4%37.3%37.7%29.6%
2015–1920.8%40.8%40.5%32.1%
2020–2418.7%44.1%43.4%35.6%
Change−0.5 pts+8.5 pts+7.1 pts+7.2 pts
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College degrees are relatively uncommon in ZIP 21668: 18.7% 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 21668

High school graduates, % of adults 25+
PeriodZIP 21668Baltimore areaMarylandU.S.
2006–1075.0%87.8%88.0%84.9%
2010–1485.8%89.5%89.1%86.1%
2015–1983.6%91.1%90.2%87.7%
2020–2492.4%92.1%90.9%89.3%
Change+17.4 pts+4.3 pts+2.9 pts+4.3 pts
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High school completion in ZIP 21668 is a bit above the national rate: 92.4% of adults have a diploma or equivalent, against 89.3%. That is in line with the rest of the Baltimore area.

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 21668

Unemployment, % of the labor force
PeriodZIP 21668Baltimore areaMarylandU.S.
2006–104.6%6.6%6.5%8.1%
2010–146.4%8.3%8.1%9.4%
2015–194.4%5.2%5.1%5.6%
2020–245.8%4.8%5.0%5.4%
Change+1.2 pts−1.8 pts−1.5 pts−2.7 pts
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Unemployment in ZIP 21668 is close to the national rate: 5.8% of the labor force, against 5.4%. The rate is higher than in the wider Baltimore area (4.8%). 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 21668 compared with nearby ZIP codes

ZIP codeHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
ZIP 216682.6742.814.5%25.1%7.5%1988$1,15718.7%92.4%5.8%
ZIP 216072.9154.313.9%11.5%2.8%1988$1,62512.9%88.1%7.4%
ZIP 216512.6637.522.0%21.6%13.8%1988$1,54017.2%89.6%5.9%
ZIP 216282.4341.420.8%7.5%16.7%1994$1,88920.6%90.2%11.3%
ZIP 216442.9154.313.9%11.5%2.8%1988$1,62512.9%88.1%7.4%
ZIP 216493.1239.722.2%14.7%10.6%1981$1,96513.0%77.3%3.7%
ZIP 216232.8739.012.0%14.7%5.3%1997$1,26124.8%87.4%3.2%
ZIP 216402.7037.223.8%13.7%8.9%1983$1,64611.2%75.6%2.3%
ZIP 199532.5940.913.0%22.1%3.4%1990$1,2718.4%81.5%8.6%
ZIP 199642.3345.211.7%15.7%2.8%1997$1,1456.3%75.9%3.1%
ZIP 199552.7639.09.6%8.6%2.1%2000$1,38518.6%94.3%5.0%

All figures 2020–24.

Zip codes with similar populations: 04342, ME · 04352, ME · 56036, MN · 68527, NE · 68466, NE · 67740, KS · 67146, KS · 66451, KS · 65617, MO · 64863, 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 21668. 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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