Bryn Mawr, PA Demographics

Population 20,717 · Census ACS 2020–24

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Bryn Mawr, PA map of median age by neighborhood
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Population and households in Bryn Mawr

Household size in Bryn Mawr

Household size, people per household
PeriodBryn MawrPhiladelphia areaPennsylvaniaU.S.
2006–102.282.642.512.68
2010–142.402.682.532.73
2015–192.462.652.502.71
2020–242.552.572.462.65
Change+0.26−0.07−0.05−0.03
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The average household in Bryn Mawr has 2.55 people, a bit under the U.S. average of 2.65. Since 2006–10, household size has climbed from 2.28, even as the national average fell. Households are largest in the northeast and smallest in the center.

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 Bryn Mawr

Median age, years
PeriodBryn MawrPhiladelphia areaPennsylvaniaU.S.
2006–1037.538.540.337.7
2010–1437.439.341.038.6
2015–1937.440.341.839.6
2020–2435.740.442.040.1
Change−1.8+1.9+1.7+2.3
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Bryn Mawr is young: half of its residents are under 35.7, compared with a national median of 40.1. The population tilts toward young adults, many of them living alone or as couples. The median age has dropped from 37.5 in 2006–10, even as the national median rose. Of the 496 Pennsylvania cities with 5,000+ people, only 20 are younger.

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 Bryn Mawr

Single-parent households, % of households
PeriodBryn MawrPhiladelphia areaPennsylvaniaU.S.
2006–104.7%12.2%10.5%12.3%
2010–144.9%11.8%10.6%12.3%
2015–196.5%11.7%10.5%11.6%
2020–244.9%12.1%10.7%11.6%
Change+0.2 pts−0.1 pts+0.2 pts−0.6 pts
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Single-parent households are relatively rare in Bryn Mawr: 4.9% of households, against 11.6% nationally. Only 46 of the 496 Pennsylvania cities with 5,000+ people have a lower share of single-parent households.

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 Bryn Mawr

Renters in Bryn Mawr

Renters, % of occupied homes
PeriodBryn MawrPhiladelphia areaPennsylvaniaU.S.
2006–1037.7%30.2%29.0%33.3%
2010–1436.1%32.1%30.5%35.6%
2015–1938.8%32.7%31.1%36.0%
2020–2435.1%33.2%30.7%34.8%
Change−2.7 pts+3.0 pts+1.7 pts+1.5 pts
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Renting in Bryn Mawr is about as common as it is nationally: 35.1% of households rent, against 34.8%. Among homeowners, 37.2% have no mortgage at all, about the same as nationally. Rentals cluster in the center; owners are most common in the northeast. The renter share is down 2.7 points from 2006–10, even as the national share rose.

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 Bryn Mawr

Vacant homes, % of all homes
PeriodBryn MawrPhiladelphia areaPennsylvaniaU.S.
2006–109.1%9.1%10.3%11.4%
2010–1410.9%9.2%10.5%11.4%
2015–198.8%9.0%10.7%11.1%
2020–249.2%6.9%9.1%9.6%
Change+0.1 pts−2.2 pts−1.2 pts−1.8 pts
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About as many homes sit empty in Bryn Mawr as nationally: 9.2%, against 9.6%. The rate is higher than in the Philadelphia area as a whole (6.9%).

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 Bryn Mawr

Age of homes, median year built
PeriodBryn MawrPhiladelphia areaPennsylvaniaU.S.
2006–101959196419631974
2010–141959196519641975
2015–191957196519651977
2020–241962196819671980
Change+3+4+4+6
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The housing in Bryn Mawr is old by national standards: the median home dates to 1962, against 1980 for the U.S., so buyers will find more older houses, some of them due for updates. The median year built has moved up from 1959 in 2006–10, a sign of steady new building. The newest homes are mostly in the southwest, the oldest in the east.

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 Bryn Mawr

Rent, per month
PeriodBryn MawrPhiladelphia areaPennsylvaniaU.S.
2006–10$1,416$1,049$829$965
2010–14$1,574$1,147$923$1,040
2015–19$1,697$1,281$1,039$1,213
2020–24$2,110$1,631$1,323$1,571
Change+$694+$582+$494+$606
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A typical rental in Bryn Mawr costs $2,110 a month with utilities, well above the national median of $1,571. Rent has climbed $694 a month since 2006–10, up 49%, a slower climb than the nation's. The typical renter here spends 36.4% of household income on rent, well over the 30% mark often used to define affordable rent, so many renters here are stretched. Renters on a budget will find the lowest rents in the north; the highest are in the southwest.

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 Bryn Mawr

Bachelor's degrees in Bryn Mawr

Bachelor's degrees, % of adults 25+
PeriodBryn MawrPhiladelphia areaPennsylvaniaU.S.
2006–1071.1%32.7%27.2%28.4%
2010–1473.4%34.4%28.7%29.6%
2015–1974.2%37.9%31.8%32.1%
2020–2474.9%42.3%35.6%35.6%
Change+3.9 pts+9.6 pts+8.3 pts+7.2 pts
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Bryn Mawr is highly educated: about three-quarters of adults 25 and older (74.9%) hold at least a bachelor's degree, far above the national share of 35.6%. The share with a degree has risen 3.9 points since 2006–10, mirroring the country. Only 16 of the 496 Pennsylvania cities with 5,000+ people have a higher share of college graduates.

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 Bryn Mawr

High school graduates, % of adults 25+
PeriodBryn MawrPhiladelphia areaPennsylvaniaU.S.
2006–1095.3%87.5%87.3%84.9%
2010–1496.8%88.9%88.8%86.1%
2015–1997.8%90.5%90.3%87.7%
2020–2497.5%91.9%91.8%89.3%
Change+2.3 pts+4.4 pts+4.5 pts+4.3 pts
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Finishing high school is nearly universal in Bryn Mawr: 97.5% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%. The share with a diploma has risen 2.3 points since 2006–10, in line with the national trend. Bryn Mawr has a higher share of high school graduates than the great majority of Pennsylvania cities.

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 Bryn Mawr

Unemployment, % of the labor force
PeriodBryn MawrPhiladelphia areaPennsylvaniaU.S.
2006–103.3%8.4%7.5%8.1%
2010–145.8%10.2%8.8%9.4%
2015–195.4%6.3%5.5%5.6%
2020–244.6%6.1%5.4%5.4%
Change+1.3 pts−2.3 pts−2.1 pts−2.7 pts
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Jobs have been a little easier to find in Bryn Mawr than nationally: unemployment was 4.6%, against 5.4%. Unemployment has edged up 1.3 points since 2006–10, even as the national rate fell. 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).

Bryn Mawr compared with nearby cities

CityHousehold sizeMedian ageSingle parentsRentersVacant homesMedian year builtMedian rentBachelor's degreeHigh school diplomaUnemployment
Bryn Mawr2.5535.74.9%35.1%9.2%1962$2,11074.9%97.5%4.6%
Haverford2.3446.07.3%25.0%7.7%1957$2,13778.3%97.4%6.1%
Villanova2.9336.54.5%10.0%5.2%1960$1,96177.9%87.9%5.2%
Ardmore2.3639.95.6%33.6%4.8%1948$1,60570.7%98.1%4.3%
Gladwyne2.9046.79.1%15.1%8.8%1969$3,09485.5%97.8%1.9%
West Conshohocken2.1242.23.5%25.3%4.9%1948$2,31971.7%99.1%1.7%
Havertown2.7940.25.8%11.5%3.4%1948$1,57460.8%96.7%4.6%
Wynnewood2.6143.95.5%23.7%2.7%1949$1,84880.4%98.6%4.2%
Narberth2.4447.14.6%26.4%6.4%1950$1,89879.0%99.2%3.3%
Broomall2.8945.03.6%16.7%5.5%1962$1,79650.2%95.5%4.0%
Wayne2.7641.57.0%23.7%5.9%1961$2,14975.1%98.3%4.9%

All figures 2020–24.

Cities with similar populations: Baldwin, PA · Lanham, MD · Lake Shore, MD · Holly, MI · West Plains, MO · Lackawanna, NY · Jacksonville, IL · Westbury, NY · La Canada Flintridge, CA · Bainbridge, 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 Bryn Mawr. 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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