21650, MD Demographics

Population 195 · Census ACS 2020–24

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21650, MD map of median age by neighborhood
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Population and households in ZIP 21650

Household size in ZIP 21650

Household size, people per household
PeriodZIP 21650MarylandU.S.
2006–102.752.682.68
2010–142.732.732.73
2015–192.442.742.71
2020–242.482.682.65
Change−0.27+0.01−0.03
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The average household in ZIP 21650 has 2.48 people, under the U.S. average of 2.65. Household size has dropped from 2.75 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 21650

Median age, years
PeriodZIP 21650MarylandU.S.
2006–1041.438.537.7
2010–1439.139.338.6
2015–1949.940.239.6
2020–2444.540.640.1
Change+3.1+2.1+2.3
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With a median age of 44.5, ZIP 21650 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 21650

Single-parent households, % of households
PeriodZIP 21650MarylandU.S.
2006–1010.5%12.5%12.3%
2010–149.1%12.6%12.3%
2015–199.5%11.7%11.6%
2020–2415.8%11.7%11.6%
Change+5.4 pts−0.9 pts−0.6 pts
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Single parents head nearly one in six households in ZIP 21650 (15.8%), well 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 21650

Renters in ZIP 21650

Renters, % of occupied homes
PeriodZIP 21650MarylandU.S.
2006–1029.0%31.0%33.3%
2010–1436.7%32.9%35.6%
2015–1931.8%33.1%36.0%
2020–2429.1%32.4%34.8%
Change+0.0 pts+1.4 pts+1.5 pts
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Nearly three in ten households in ZIP 21650 rent their homes (29.1%), a little below the national share of 34.8%; the rest own. Just over a third of owners (35.5%) 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 21650

Vacant homes, % of all homes
PeriodZIP 21650MarylandU.S.
2006–1020.4%9.0%11.4%
2010–1421.7%8.9%11.4%
2015–1913.7%8.9%11.1%
2020–2413.5%7.1%9.6%
Change−6.9 pts−1.9 pts−1.8 pts
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Vacancy runs high in ZIP 21650: 13.5% of homes are empty, against 9.6% nationally. The count includes vacation homes and homes between owners or tenants, not just abandoned ones.

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 21650

Age of homes, median year built
PeriodZIP 21650MarylandU.S.
2006–10196719741974
2010–14196919751975
2015–19197919761977
2020–24197819781980
Change+12+4+6
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Homes in ZIP 21650 are about the same age as the nation's housing: the median home was built in 1978, 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 21650

Rent, per month
PeriodZIP 21650MarylandU.S.
2006–10$872$1,249$965
2010–14$931$1,363$1,040
2015–19$1,044$1,576$1,213
2020–24$1,246$1,869$1,571
Change+$374+$620+$606
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A typical rental in ZIP 21650 costs $1,246 a month with utilities, well below the national median of $1,571. The typical renter here spends 30.2% 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 21650

Bachelor's degrees in ZIP 21650

Bachelor's degrees, % of adults 25+
PeriodZIP 21650MarylandU.S.
2006–1014.6%36.3%28.4%
2010–1413.1%37.7%29.6%
2015–1923.8%40.5%32.1%
2020–2415.9%43.4%35.6%
Change+1.3 pts+7.1 pts+7.2 pts
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Fewer adults in ZIP 21650 have a four-year degree than in the country as a whole: 15.9%, 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 21650

High school graduates, % of adults 25+
PeriodZIP 21650MarylandU.S.
2006–1079.5%88.0%84.9%
2010–1482.7%89.1%86.1%
2015–1982.2%90.2%87.7%
2020–2482.2%90.9%89.3%
Change+2.7 pts+2.9 pts+4.3 pts
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Just over one in six adults in ZIP 21650 never finished high school, well above the national share: only 82.2% 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 21650

Unemployment, % of the labor force
PeriodZIP 21650MarylandU.S.
2006–102.2%6.5%8.1%
2010–149.5%8.1%9.4%
2015–193.9%5.1%5.6%
2020–244.3%5.0%5.4%
Change+2.1 pts−1.5 pts−2.7 pts
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Jobs have been a little easier to find in ZIP 21650 than nationally: unemployment was 4.3%, 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 21650 compared with nearby ZIP codes

ZIP codeHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
ZIP 216502.4844.515.8%29.1%13.5%1978$1,24615.9%82.2%4.3%
ZIP 216352.1551.27.1%18.0%22.4%1979$1,28338.0%86.0%3.3%
ZIP 216512.6637.522.0%21.6%13.8%1988$1,54017.2%89.6%5.9%
ZIP 219302.7144.43.8%6.5%36.4%1975$1,50043.7%93.8%10.8%
ZIP 219132.0848.36.3%21.1%5.3%1975$1,09539.7%93.4%2.4%
ZIP 216282.4341.420.8%7.5%16.7%1994$1,88920.6%90.2%11.3%
ZIP 219122.0851.05.5%21.7%7.3%1977$1,02433.8%94.6%3.1%
ZIP 216452.2053.07.5%20.2%24.4%1972$1,37932.0%99.4%5.4%
ZIP 199383.1939.98.3%9.4%7.4%1999$1,45625.8%89.9%4.6%
ZIP 199552.7639.09.6%8.6%2.1%2000$1,38518.6%94.3%5.0%
ZIP 197343.0938.611.4%7.0%4.9%2002$1,72733.7%94.3%2.9%

All figures 2020–24.

Zip codes with similar populations: 58464, ND · 57050, SD · 57217, SD · 57272, SD · 82324, WY · 57386, SD · 81222, CO · 57468, SD · 57538, SD · 57646, SD

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 21650. 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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