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Gladwyne, Pennsylvania facts for kids

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Unincorporated community
750 Mill Creek Rd MontCo PA.JPG
Mill Creek Historic District
Country United States
State Pennsylvania
County Montgomery
Township Lower Merion
Elevation 338 ft (103 m)
Area 4.9 sq mi (12.7 km²)
 - land 4.9 sq mi (13 km²)
 - water 0.0 sq mi (0 km²), 0%
Population 4,050 (2000)
Density 820.0 /sq mi (316.6 /km²)
Timezone EST (UTC-5)
 - summer (DST) EDT (UTC-4)
ZIP code 19035
Area code 610 and 484

Gladwyne is a very affluent suburban community in Montgomery County, Pennsylvania, United States along the historic Philadelphia Main Line. In 2011, Gladwyne was ranked the 7th richest ZIP code in the country in a study by Bloomberg BusinessWeek. The population was 4,050 at the 2000 census. As Gladwyne is neither an incorporated area nor a census-designated place, all data are for the ZIP code 19035, with which the community is coterminous.

There are four churches, a synagogue, a library, two schools, the Gladwyne fire company, the Gladwyne Civic Association, the Stony Lane Swim Club, playgrounds, parks, businesses, and retail shops within the confines of Gladwyne. The historic Guard House Inn is also located within Gladwyne. The village is also home to the Philadelphia Country Club on its periphery, Merion Cricket Club, and to The Courts, a private tennis club. Because the town was early to preserve space and has received many donations of land, developers have not subdivided the area into more typical suburban developments, so the area retains a mixture of farm, colonial town, and late 19th/early 20th housing uncharacteristic of other Main Line communities.

Banker James Crosby Brown of Brown Brothers & Co. built a 185-acre (0.75 km2) estate that later was divided into non-divisible (deed-restricted) lots of three to 17 acres (6.9 ha), an early act of (partial) preservation that set an important precedent for future acts by both individuals and the township. The Lower Merion Conservancy plays a significant role in protecting the local heritage and maintains its office in Gladwyne's Rolling Hill Park.


Like the rest of the region, Gladwyne, known until 1891 as "Merion Square", originally was settled by Welsh Quakers beginning in 1682. It was given its new name to lessen confusion with the many "Merions" in the area, including the town of Merion, Lower Merion Township, and Upper Merion Township, and in imitation of the Welsh names of adjoining towns, although its new name was meaningless in Welsh. Twenty-four mills operated along Mill Creek through the beginning of the twentieth century, and the major road through residential Gladwyne runs along the banks of the creek. After the American Civil War and following construction of the Pennsylvania Railroad's Main Line west from Center City, wealthy Philadelphians located many of their summer homes there.

The development of the Schuylkill Expressway (I-76) in the 1960s and the subsequent development of King of Prussia as a major business center increased Gladwyne's appeal, as it was the Main Line town situated closest to the Expressway and midway between King of Prussia and Center City Philadelphia. The Gladwyne Elementary School was built in 1958 to accommodate the children of these new residents and the Gladwyne Free Library (part of the Lower Merion Library System) was renovated and expanded as well. Yet the core of the village, built originally at the convergence of Youngsford and Righter's Mill Roads during the latter part of the eighteenth century, remained essentially the same, allowing Gladwyne to retain all of its original historic character and at the same time enjoy the conveniences of modern suburban living, such as a centrally located supermarket with ample parking, pharmacy, tavern, and restaurants.

The Gladwyne Historic District was added to the National Register of Historic Places in 1980.


According to the United States Census Bureau, the community has a total area of 4.9 square miles (12.8 km2), all land. It is primarily rolling hills in topography.


As of the census of 2000, there were 4,050 people, 1,476 households, and 1,057 families residing in the community. The population density was 820.0 people per square mile (316.7/km2). There were 1,538 housing units at an average density of 311.4/sq mi(120.3/km2). The racial makeup of the village was 97.22% Caucasian, 2.34% Asian, 0.77% African American, 0.32% from other races, and 0.69% from two or more races. 1.09%of the population were Hispanic or Latino of any race.

There were 1,476 households, out of which 32.2% had children under the age of 18 living with them, 67.3% are married couples living together, 4.9% had a female householder with no husband present, and 26.4% were non-families. 22.8% of all households were made up of individuals, and 16.9% had someone living alone who was 65 years of age or older. The average household size was 2.53 and the average family size was 3.98.

In the community, the population was spread out, with 22.8% under the age of 18, 2.0% from 18 to 24, 18.9% from 25 to 44, 28.1% from 45 to 64, and 28.2%who were 65 years of age or older. The median age was 48.8 years. For every 100 females there were 84.1 males. For every 100 females age 18 and over, there were 80.6 males.

The median income for a household in the community was $159,905, and the median income for a family was $200,000. Males had a median income of $100,000+ versus $51,103 for females. The per capita income for the community was $90,940. About 2.1% of families and 4.1% of the population were below the poverty line, including 1.0% of those under age 18 and 11.1% of those age 65 or over.

Points of interest

  • 1690 House, the oldest standing structure in Lower Merion Township, incorporating remnants of a log cabin built by John Roberts for the Roberts Mill at the convergence of Mill Creek and Old Gulph Roads
  • Bridlewild Trail, a set of trails extending 22 miles (35 km) through the Henry, Rolling Hill, Idlewild Farms, Saunders Woods, and other preserved spaces. The trail is open to residents, horses, and leashed pets.
  • Cedar Crest, mansion and estate of John T. Dorrance, Jr. Now called "Linden Hill."
  • Henry Foundation for Botanical Research, a botanical garden
  • Rolling Hill Park, a 102-acre (0.41 km2) park on Mill Creek, with historic mill building ruins, purchased from Walter Pew by the Lower Merion Township
  • Idlewild Farm Complex, a 47-acre (19 ha) farm with buildings, donated to the Natural Lands Trust
  • Saunders Woods, a farm with colonial house
  • Woodmont, mansion and estate of Alan Wood, Jr., now a shrine to evangelist Father Divine
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