20629, MD Demographics

Population 532 · Census ACS 2020–24

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20629, MD map of median age by neighborhood
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Population and households in ZIP 20629

Household size in ZIP 20629

Household size, people per household
PeriodZIP 20629MarylandU.S.
2006–102.012.682.68
2010–141.792.732.73
2015–192.292.742.71
2020–242.152.682.65
Change+0.14+0.01−0.03
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ZIP 20629 is a place of small households, averaging 2.15 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 2.01, 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 20629

Median age, years
PeriodZIP 20629MarylandU.S.
2006–1047.338.537.7
2010–1458.139.338.6
2015–1956.640.239.6
2020–2454.640.640.1
Change+7.3+2.1+2.3
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With a median age of 54.6, ZIP 20629 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 20629

Single-parent households, % of households
PeriodZIP 20629MarylandU.S.
2006–1011.9%12.5%12.3%
2010–142.4%12.6%12.3%
2015–194.6%11.7%11.6%
2020–247.4%11.7%11.6%
Change−4.5 pts−0.9 pts−0.6 pts
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Single parents head only 7.4% of households in ZIP 20629, 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 20629

Renters in ZIP 20629

Renters, % of occupied homes
PeriodZIP 20629MarylandU.S.
2006–1030.7%31.0%33.3%
2010–1442.8%32.9%35.6%
2015–1928.1%33.1%36.0%
2020–244.5%32.4%34.8%
Change−26.2 pts+1.4 pts+1.5 pts
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ZIP 20629 is overwhelmingly a place of homeowners: only 4.5% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. About a third of owners (33.5%) 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 20629

Vacant homes, % of all homes
PeriodZIP 20629MarylandU.S.
2006–1026.8%9.0%11.4%
2010–1437.1%8.9%11.4%
2015–1928.9%8.9%11.1%
2020–2412.8%7.1%9.6%
Change−14.0 pts−1.9 pts−1.8 pts
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More homes sit empty in ZIP 20629 than nationally: 12.8%, against 9.6%. 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 20629

Age of homes, median year built
PeriodZIP 20629MarylandU.S.
2006–10199119741974
2010–14199119751975
2015–19199419761977
2020–24200019781980
Change+9+4+6
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Much of the housing in ZIP 20629 is relatively new: half of its homes were built after 2000, 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 20629

Rent, per month
PeriodZIP 20629MarylandU.S.
2006–10$1,305$1,249$965
2010–14$1,698$1,363$1,040
2015–19$2,190$1,576$1,213
2020–24$2,130$1,869$1,571
Change+$825+$620+$606
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Rent in ZIP 20629 runs $2,130 a month at the median, utilities included, well above the U.S. median of $1,571. Rent takes 46.4% 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 20629

Bachelor's degrees in ZIP 20629

Bachelor's degrees, % of adults 25+
PeriodZIP 20629MarylandU.S.
2006–1048.1%36.3%28.4%
2010–1453.8%37.7%29.6%
2015–1945.3%40.5%32.1%
2020–2444.3%43.4%35.6%
Change−3.8 pts+7.1 pts+7.2 pts
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College degrees are more common in ZIP 20629 than nationally: 44.3% of adults 25 and older have a bachelor's or higher, against 35.6%. The picture is much the same across Maryland.

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 20629

High school graduates, % of adults 25+
PeriodZIP 20629MarylandU.S.
2006–1093.9%88.0%84.9%
2010–1487.8%89.1%86.1%
2015–1995.5%90.2%87.7%
2020–2495.0%90.9%89.3%
Change+1.1 pts+2.9 pts+4.3 pts
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High school completion is high in ZIP 20629: 95.0% 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 20629

Unemployment, % of the labor force
PeriodZIP 20629MarylandU.S.
2006–106.4%6.5%8.1%
2010–140.4%8.1%9.4%
2015–199.7%5.1%5.6%
2020–240.0%5.0%5.4%
Change−6.4 pts−1.5 pts−2.7 pts
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The survey found almost no one in ZIP 20629 out of work and looking, against 5.4% of the labor force nationally. 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 20629 compared with nearby ZIP codes

ZIP codeHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
ZIP 206292.1554.67.4%4.5%12.8%2000$2,13044.3%95.0%0.0%
ZIP 206882.2054.87.4%24.5%15.3%1997$2,45243.3%96.0%2.0%
ZIP 206572.8138.38.6%13.8%9.7%1990$1,84933.2%94.4%3.3%
ZIP 206703.3423.511.5%89.0%15.5%1995$2,29036.4%100.0%14.3%
ZIP 206192.6537.212.1%36.9%7.9%2000$2,03747.3%94.0%1.7%
ZIP 206342.8935.911.0%29.1%10.5%1998$1,56135.0%88.7%4.0%
ZIP 206532.4434.117.9%45.0%9.2%1993$1,67635.8%92.2%4.6%
ZIP 206363.0637.912.3%14.2%15.9%1993$1,84538.2%90.7%2.9%
ZIP 206152.8152.31.2%5.2%6.7%1984$1,67716.4%89.6%0.0%
ZIP 206202.6940.19.0%8.4%17.3%1992$1,51333.8%98.3%4.0%
ZIP 206672.6932.010.3%26.9%8.3%1996$1,88646.6%97.4%2.8%

All figures 2020–24.

Zip codes with similar populations: 75101, TX · 95335, CA · 23180, VA · 93641, CA · 87310, NM · 25845, WV · 26294, WV · 83122, WY · 29943, SC · 30818, GA

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 20629. 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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