Bryn Mawr, Pennsylvania

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Bryn Mawr
Bryn Mawr post office
Bryn Mawr post office
Etymology: an estate near Dolgellau in Wales that belonged to Rowland Ellis
Bryn Mawr is located in Philadelphia
Bryn Mawr
Bryn Mawr
Bryn Mawr is located in Pennsylvania
Bryn Mawr
Bryn Mawr
Bryn Mawr is located in the United States
Bryn Mawr
Bryn Mawr
Coordinates: 40°01′16″N 75°19′01″W / 40.02111°N 75.31694°W / 40.02111; -75.31694Coordinates: 40°01′16″N 75°19′01″W / 40.02111°N 75.31694°W / 40.02111; -75.31694
CountryUnited States
CountyDelaware, Montgomery
TownshipRadnor, Haverford, Lower Merion
 • Total0.96 sq mi (2.48 km2)
 • Land0.96 sq mi (2.48 km2)
 • Water0.00 sq mi (0.00 km2)
420 ft (130 m)
 • Total5,879
 • Density6,143.16/sq mi (2,371.54/km2)
Time zoneUTC-5 (EST)
 • Summer (DST)UTC-4 (EDT)
ZIP Code
Area codes610 and 484
FIPS code42-09728
Bryn Mawr
Location500 Harriton Rd.,
Bryn Mawr
NRHP reference No.73001643
Designated NRHP7/2/1963

Bryn Mawr (pronounced /ˌbrɪnˈmɑːr/ brin-MAR;[3] from Welsh for "big hill") is a census-designated place (CDP),[4] located across three townships: Radnor Township and Haverford Township, Delaware County, and Lower Merion Township, Montgomery County, Pennsylvania, United States,[5] just west of Philadelphia along Lancaster Avenue (US-30).

Sunset over Goodhart Hall, Bryn Mawr College

There are also areas not in the census-designated place but which have "Bryn Mawr, Pennsylvania" postal addresses located in Radnor and Haverford Townships in Delaware County.

Bryn Mawr is located toward the center of what is known as the Main Line, a group of affluent Philadelphia suburban villages stretching from the city limits to Malvern. They became home to sprawling country estates belonging to Philadelphia's wealthiest families, and over the decades became a bastion of "old money". As of the 2010 census, it had a population of 3,779. Bryn Mawr is home to Bryn Mawr College.


Bryn Mawr is named after an estate near Dolgellau in Wales that belonged to Rowland Ellis. He was a Welsh Quaker who emigrated in 1686 to Pennsylvania to escape religious persecution.[6][7]

Until 1869 and the coming of the Pennsylvania Railroad's Main Line, the town, located in the old Welsh Tract, was known as Humphreysville. The town was renamed by railroad agent William H. Wilson after he acquired on behalf of the railroad the 283 acres (1.15 km2) that now compose Bryn Mawr.[citation needed]

In 1893, the first hospital, Bryn Mawr Hospital, was built on the Main Line by Dr. George Gerhard.[8] Glenays, a historic home dating to 1859, was listed on the National Register of Historic Places in 1977.[9]


Bryn Mawr is located at 40°1′16″N 75°19′01″W / 40.02111°N 75.31694°W / 40.02111; -75.31694 (40.021022, −75.316901).[10]

According to the United States Census Bureau, the CDP has a total area of 0.6 square miles (1.6 km2), all land, some of which is in Lower Merion Township in Montgomery County.[11]

Part of Bryn Mawr is located in Delaware County, located at the coordinates 40°1' 25.0212"N 75°19' 46.1676"W; its ZIP code is 19010, with a total population of 3,779.[12]

However, the "Bryn Mawr" ZIP code (19010) covers a larger area, and as a result, the geographic term "Bryn Mawr" is often used in a sense that includes not only the CDP, but also other areas that share the ZIP code. These other areas include the community of Rosemont within Lower Merion Township and Radnor Township, and various other areas within Lower Merion Township, Radnor Township, and Haverford Township. Bryn Mawr is a part of the Philadelphia Main Line, a string of picturesque towns located along a railroad that connects Philadelphia with points west. Some other Main Line communities include Ardmore, Wynnewood, Narberth, Bala Cynwyd and Villanova


Historical population
Census Pop.

As of the census of 2010[citation needed], there were 3,779 people, 1,262 households, and 497 families residing in the CDP. The population density was 7,033.7 people per square mile (2,728.9/km2). There were 1,481 housing units at an average density of 2,377.2/sq mi (922.3/km2). The racial makeup of the CDP was 74.0% White, 10.5% Black or African American, 0.0% Native American, 10.7% Asian, 0.1% Pacific Islander, 1.2% from other races, and 3.6% from two or more races. 4.9% of the population were Hispanic or Latino of any race. 21.1% were of Irish, 10.8% Italian, 6.8% German and 6.4% English ancestry according to Census 2000.

There were 1,404 households,[when?] out of which 13.5% had children under the age of 18 living with them, 26.8% were married couples living together, 8.9% had a female householder with no husband present, and 62.6% were non-families. 41.1% of all households were made up of individuals, and 13.7% had someone living alone who was 65 years of age or older. The average household size was 2.07 and the average family size was 2.79.

In the CDP, the population was spread out, with 8.4% under the age of 18, 48.1% from 18 to 24, 21.0% from 25 to 44, 12.1% from 45 to 64, and 10.5% who were 65 years of age or older. The median age was 22 years. For every 100 females, there were 46.5 males. For every 100 females age 18 and over, there were 42.4 males.

As of the 2000 U.S. census the median income for a household in the CDP was $47,721, and the median income for a family was $66,369. Males had a median income of $40,625 versus $31,618 for females. The per capita income for the CDP was $23,442. About 5.3% of families and 21.7% of the population were below the poverty line, including 23.6% of those under age 18 and 2.5% of those age 65 or over.[14]

As of the 2000 Census, the Bryn Mawr ZIP code was home to 21,485 people with a median family income of $110,956.[15][16]

Notable people[edit]

School system[edit]

Points of interest[edit]


  1. ^ "ArcGIS REST Services Directory". United States Census Bureau. Retrieved October 12, 2022.
  2. ^ a b "Census Population API". United States Census Bureau. Retrieved October 12, 2022.
  3. ^ Mackey & Mackey (1922) The Pronunciation of 10,000 Proper Names
  4. ^ "2010 CENSUS - CENSUS BLOCK MAP: Bryn Mawr CDP, PA" (PDF). U.S. Census Bureau. Retrieved September 1, 2019.
  5. ^ "Ward Map". Lower Merion Township. Retrieved September 1, 2019.
  6. ^ "The Quakers of Dolgellau". BBC. Archived from the original on November 8, 2006. Retrieved May 5, 2018.
  7. ^ "Snowdonia National Park Authority". Archived from the original on September 28, 2007. Retrieved April 18, 2007.
  8. ^ "Bryn Mawr Hospital, founded 1893 • A Brief History". Archived from the original on August 17, 2013. Retrieved March 11, 2018. In 1892 the country was staggering under an economic depression and on the verge of financial collapse, but the desire of Dr. George Gerhard, an Ardmore physician, to build a hospital in the growing suburbs of Philadelphia ... When the Hospital opened in 1893, Dr. George Gerhard and Dr. Robert Gamble were in charge of the public needs.
  9. ^ "National Register Information System". National Register of Historic Places. National Park Service. July 9, 2010.
  10. ^ "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. February 12, 2011. Retrieved April 23, 2011.
  11. ^ "Bryn Mawr CDP, Pennsylvania (map)". Retrieved April 18, 2007.[permanent dead link]
  12. ^ "". Archived from the original on March 4, 2016. Retrieved February 24, 2012.
  13. ^ "Census 2020".
  14. ^ "U.S. Census website". United States Census Bureau. Retrieved January 31, 2008.
  15. ^ "Ithan Elementary School". Radnor Township School District. Archived from the original on May 20, 2007. Retrieved May 19, 2007.
  16. ^ "Coopertown Elementary". Haverford Township School District. Archived from the original on May 31, 2007. Retrieved May 19, 2007.
  17. ^ Bragdon, Henry Wilkinson. Woodrow Wilson: The Academic Years. Cambridge: Belknap Press, 1960.
  18. ^ Hellberg, Joyce Vottima. "French School Gets Larger Quarters The Philadelphia School Has Moved Into The Historic Beechwood House. Archived March 29, 2016, at Wikiwix" The Philadelphia Inquirer. August 3, 1993. Retrieved on May 14, 2014.