Glen Arm, MD Demographics

Population 4,279 · Census ACS 2020–24

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Median age by neighborhoodHistory and comparison ↓︎
Glen Arm, MD map of median age by neighborhood
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Population and households in Glen Arm

Household size in Glen Arm

Household size, people per household
PeriodGlen ArmBaltimore areaMarylandU.S.
2006–102.602.612.682.68
2010–142.592.652.732.73
2015–192.612.652.742.71
2020–242.782.592.682.65
Change+0.18−0.02+0.01−0.03
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The typical household in Glen Arm holds 2.78 people, slightly more than the U.S. average of 2.65. Since 2006–10, household size has climbed from 2.60, 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 Glen Arm

Median age, years
PeriodGlen ArmBaltimore areaMarylandU.S.
2006–1051.338.738.537.7
2010–1451.439.539.338.6
2015–1951.140.240.239.6
2020–2444.640.340.640.1
Change−6.7+1.6+2.1+2.3
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With a median age of 44.6, Glen Arm 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 Glen Arm

Single-parent households, % of households
PeriodGlen ArmBaltimore areaMarylandU.S.
2006–105.6%12.6%12.5%12.3%
2010–144.7%12.3%12.6%12.3%
2015–193.3%11.6%11.7%11.6%
2020–243.3%11.5%11.7%11.6%
Change−2.3 pts−1.1 pts−0.9 pts−0.6 pts
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Single-parent households are relatively rare in Glen Arm: 3.3% 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 Glen Arm

Renters in Glen Arm

Renters, % of occupied homes
PeriodGlen ArmBaltimore areaMarylandU.S.
2006–1017.3%32.0%31.0%33.3%
2010–1414.3%33.5%32.9%35.6%
2015–1914.8%33.5%33.1%36.0%
2020–2415.8%33.1%32.4%34.8%
Change−1.5 pts+1.1 pts+1.4 pts+1.5 pts
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Only 15.8% of households in Glen Arm rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. Just over four in ten owners (41.6%) have paid off their mortgages, 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 Glen Arm

Vacant homes, % of all homes
PeriodGlen ArmBaltimore areaMarylandU.S.
2006–106.6%9.3%9.0%11.4%
2010–1414.0%9.3%8.9%11.4%
2015–197.9%9.4%8.9%11.1%
2020–243.3%7.2%7.1%9.6%
Change−3.3 pts−2.1 pts−1.9 pts−1.8 pts
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Only 3.3% of homes in Glen Arm are vacant, far below the national rate of 9.6%, which usually means strong demand for housing.

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 Glen Arm

Age of homes, median year built
PeriodGlen ArmBaltimore areaMarylandU.S.
2006–101969197119741974
2010–141971197219751975
2015–191968197319761977
2020–241971197519781980
Change+2+4+4+6
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The housing in Glen Arm is old by national standards: the median home dates to 1971, against 1980 for the U.S., so buyers will find more older houses, some of them due for updates.

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 Glen Arm

Rent, per month
PeriodGlen ArmBaltimore areaMarylandU.S.
2006–10$1,873$1,179$1,249$965
2010–14$1,779$1,293$1,363$1,040
2015–19$1,334$1,477$1,576$1,213
2020–24$1,663$1,778$1,869$1,571
Change−$210+$599+$620+$606
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The median renter in Glen Arm pays $1,663 a month for rent and utilities, above the national median of $1,571. Even so, rents here are lower than in the Baltimore area as a whole ($1,778). The typical renter here spends 36.2% 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 Glen Arm

Bachelor's degrees in Glen Arm

Bachelor's degrees, % of adults 25+
PeriodGlen ArmBaltimore areaMarylandU.S.
2006–1048.5%35.6%36.3%28.4%
2010–1451.8%37.3%37.7%29.6%
2015–1956.2%40.8%40.5%32.1%
2020–2456.0%44.1%43.4%35.6%
Change+7.5 pts+8.5 pts+7.1 pts+7.2 pts
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Glen Arm is highly educated: nearly six in ten adults 25 and older (56.0%) hold at least a bachelor's degree, far above 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 Glen Arm

High school graduates, % of adults 25+
PeriodGlen ArmBaltimore areaMarylandU.S.
2006–1092.2%87.8%88.0%84.9%
2010–1492.8%89.5%89.1%86.1%
2015–1994.4%91.1%90.2%87.7%
2020–2495.7%92.1%90.9%89.3%
Change+3.5 pts+4.3 pts+2.9 pts+4.3 pts
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High school completion is high in Glen Arm: 95.7% 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 Glen Arm

Unemployment, % of the labor force
PeriodGlen ArmBaltimore areaMarylandU.S.
2006–103.8%6.6%6.5%8.1%
2010–145.8%8.3%8.1%9.4%
2015–191.2%5.2%5.1%5.6%
2020–241.6%4.8%5.0%5.4%
Change−2.3 pts−1.8 pts−1.5 pts−2.7 pts
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The job market in Glen Arm has been strong: just 1.6% of the labor force was out of work and looking, well below the national rate of 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).

Glen Arm compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Glen Arm2.7844.63.3%15.8%3.3%1971$1,66356.0%95.7%1.6%
Hydes2.9241.49.8%6.5%5.4%1967$1,48148.0%94.5%0.9%
Baldwin2.9247.17.7%3.3%3.1%1975$1,25953.9%96.2%1.4%
Carney2.4542.510.8%37.4%7.0%1975$1,74240.0%90.5%2.5%
Phoenix2.7850.44.5%3.7%3.2%1977$1,66873.8%98.7%2.8%
Perry Hall2.7641.810.8%20.4%6.4%1989$1,98345.8%93.1%2.1%
Kingsville2.5652.34.2%7.2%6.1%1974$79345.2%94.3%0.9%
Timonium2.6046.58.1%21.9%5.6%1965$2,32866.2%95.7%3.6%
Nottingham2.4939.618.3%40.2%6.1%1984$1,76039.8%90.4%4.6%
Parkville2.4938.614.4%37.8%8.1%1957$1,57432.6%92.6%4.3%
White Marsh2.7836.98.0%22.0%4.7%1995$1,93452.0%95.3%2.4%

All figures 2020–24.

Cities with similar populations: San Augustine, TX · St. Marys, KS · Ostrander, OH · Elysburg, PA · Bells, TX · Westville, OK · Van, TX · Taylorsville, MS · St. Paris, OH · Mesilla Park, NM

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 Glen Arm. 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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