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Millbourne

Pennsylvaniaborough

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Millbourne

Total population

1,467

Median home value

$266,700

29.9%

Bachelor's+

Median income

$54,219

Millbourne$54k
National$74k
Weather74°F · Mostly Sunny
Coordinates39.96°, -75.25°

Demographic figures from US Census Bureau · ACS 5-year estimates. Overview below cites Wikipedia and may reference a different year.

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City facts

Overview

Millbourne Borough is a self-governing municipal borough in Delaware County, Pennsylvania, United States. As of the 2020 census, the population is 1,212. Millbourne borders Philadelphia along Cobbs Creek. The name "Millbourne" comes from the word Mill and "bourne" meaning creek.

Read more on Wikipedia

History & geography

History

Before the arrival of European settlers, the Lenape people were already in the Delaware Valley. After William Penn's signing of the Treaty of Shackamaxon, Samuel Sellers, the pioneering settler of the Sellers family, came from Derbyshire, England in 1682, with his brother George Sellers. Both brothers purchased two tracts of land totaling and from William Penn. The official survey for the land was not completed until 1690. Over time, Samuel, his sons, and grandsons expanded their land holdings through additional purchases in the surrounding area. George Sellers later died due to an unexplained death involving a tomahawk. Samuel Sellers, the original settler, was a skilled weaver who played a pivotal role in the early industrial development of the region. He is credited with establishing the first twisting-mill in America. Building upon his father's legacy, Samuel's son, also named Samuel, and his grandson, John, continued the family tradition of weaving. The presence of a dam in Millbourne was first documented in an important deed issued by John Sellers on August 27, 1752. John Sellers recognized the potential of harnessing the waterpower of Cobbs Creek, leading to the development of six sites along the waterway. These sites became essential for subsequent generations and contributed to the growth of Millbourne Mills, first called Sellers Mills. During this time, Millbourne was part of Darby Township. But in 1786, Millbourne was separated with other municipalities to form Upper Darby Township. Following John Sellers' passing in 1804, his estate was inherited by his sons, with George receiving the majority of Millbourne. John Sellers II inherited the grist and sawmills, which were already established before 1749. Millbourne Mills were initially operated by James…

Geography

Millbourne is located at (39.963735, -75.252615). Millbourne has a total area of , making it the smallest municipality in Delaware County by area. Millbourne is bounded on the north and east by Cobbs Creek, and on the south by Market Street. Across Cobbs Creek to the north lies an extension of Fairmount Park and the Cobbs Creek Golf Course. Millbourne is situated within the Darby Creek Watershed. A common place of interest, Cobbs Creek is located near Millbourne. The creek is commonly used for swimming and fishing. The creek is also connected to the Cobbs Creek trail which is used for hiking and biking. The Cobbs Creek Bikeway runs from a corner at the eastern end of Millbourne, 63rd and Market Streets, to approximately 86th and Cobbs Creek Parkway. It is used by walkers and bicyclists as well as occasional all-terrain vehicles. Housing construction in Millbourne began in the 1900s. Founders Samuel Shoemaker and John L. Fry identified a real estate opportunity and embarked on the development of homes to meet the growing demand. During this period, 100 multifamily semi-detached homes were built, extending from the east to Sellers Avenue. In the 1950s, new elevated townhomes were introduced and known as "Millbourne Gardens." Around 60% of Millbourne's population resides within this residential area. Millbourne features a diverse range of architectural styles, with 14 different styles represented among its homes. The residential area of Millbourne is in a secluded location. In Millbourne, the predominant materials used in the construction of homes were bricks and hardwood. These materials were favored due to their aesthetic appeal. On the Köppen climate classification, Millbourne has a Humid subtropical climate (Cfa). Millbourne has warm-wet summers and very…

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Excerpted from the corresponding Wikipedia article (CC BY-SA).

Demographics & economy

Median age
37.6
Median home value
$266,700
Housing units
644
Poverty rate
24.3%
Unemployment
3%

Race & ethnicity

White
20.6%
Black
29.9%
Asian
44.9%
Hispanic
6.1%

Source: US Census Bureau — American Community Survey, 5-year estimates.

Geography

Latitude
39.9637
Longitude
-75.2526
Water area
—
View on OpenStreetMap

Coordinates & boundaries from the US Census TIGER/Line shapefiles.

Climate

Current forecast

Columbus Day
74°F
Mostly Sunny
Tonight
57°F
Partly Cloudy
Tuesday
79°F
Mostly Sunny
Tuesday Night
66°F
Mostly Clear
Wednesday
81°F
Sunny
Wednesday Night
60°F
Slight Chance Rain Showers

Forecast for Millbourne, PA from NOAA NWS API.

Air quality

Industrial & pollution facilities

Natural hazard risk

Health (adults)

Walkability

Amenities nearby

Wildlife & biodiversity

Observations (last 5 yrs, 10 mi)
3,170,868
Distinct species (top 10)
10

Most-observed species

  • American Robin
    Turdus migratorius Linnaeus, 1766 · Aves
    119,208
  • Northern Cardinal
    Cardinalis cardinalis (Linnaeus, 1758) · Aves
    117,025
  • Song Sparrow
    Melospiza melodia (A.Wilson, 1810) · Aves
    95,324
  • Mourning Dove
    Zenaida macroura (Linnaeus, 1758) · Aves
    90,131
  • Blue Jay
    Cyanocitta cristata (Linnaeus, 1758) · Aves
    84,895
  • Carolina Wren
    Thryothorus ludovicianus (Latham, 1790) · Aves
    84,183
  • Red-bellied Woodpecker
    Melanerpes carolinus (Linnaeus, 1758) · Aves
    74,139
  • Downy Woodpecker
    Dryobates pubescens (Linnaeus, 1766) · Aves
    72,423

Citizen-science & research observations from the Global Biodiversity Information Facility (GBIF).

Schools

Total
86
Elementary
62
Middle
10
High
14
Other
0

Largest nearby schools

  • Chester Community CS
    Elementary · Chester · 4,276 students · 18.3:1 ratio
  • Upper Darby SHS
    High · Drexel Hill · 4,191 students · 18.9:1 ratio
  • Haverford SHS
    High · Havertown · 2,005 students · 17.9:1 ratio
  • Ridley HS
    High · Folsom · 1,869 students · 14.5:1 ratio
  • Haverford MS
    Middle · Havertown · 1,626 students · 14.4:1 ratio
  • Beverly Hills MS
    Middle · Upper Darby · 1,523 students · 15.9:1 ratio
  • Springfield HS
    High · Springfield · 1,375 students · 16.8:1 ratio
  • Academy Park HS
    High · Sharon Hill · 1,355 students · 18.6:1 ratio

Public K–12 schools within ~10 mi from Urban Institute Education Data Portal (NCES Common Core of Data, 2022).

Earthquake history

Quakes ≥ 2.5 (25 yrs, 62 mi)
13
Largest magnitude
4.8
Largest event
2024-04-05

Most recent

Events from the USGS Earthquake Catalog (global) (FDSN Event Web Service).

Photos

Sights & places nearby

Notable people from here

Nearby places in Pennsylvania

Browse all places in Pennsylvania →

Geography & sun

Avg solar (kWh/m²/day)
4.07
Annual solar (kWh/m²)
1,484

Elevation, sunrise/sunset and daylight from Open-Meteo. Solar climatology from NASA POWER.

Nearby airports

Public attention

Wikipedia views (last 30 days)
656
Avg daily Wikipedia views
22
Attention level
Obscure

Pageview totals from the Wikimedia Pageviews API.

Books about Millbourne

Search results from Open Library.

Recent natural events nearby

Ground air-quality sensors

Recently spotted species

Research-grade observations from iNaturalist (within ~15 mi).

Nearest stream gauge

Site
Cobbs Cr at U.S. Hghwy No. 1 at Philadelphia, PA
Distance
1.6 mi
Streamflow
6.1 cfs
Gage height
2.59 ft
Water temp
16.9 °C

Live readings from USGS NWIS · measured 2026-10-12 12:30 UTC.

Events

Sources

  • • Wikipedia
  • • US Census Bureau (ACS 5-year estimates)
  • • NOAA National Weather Service
  • • USGS Earthquake Catalog (global feed)
  • • USGS NWIS (water data)
  • • NCES via Urban Institute Education Data Portal
  • • GBIF (Global Biodiversity Information Facility)
  • • iNaturalist
  • • Open-Meteo / sunrise-sunset.org
  • • Wikipedia Pageviews API
  • • Open Library