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AHistory
History · Middletown Township

Middletown Township dates to 1686, and 11% of its homes were built before 1940

More historic than 89% of U.S. towns · #196 of 1,035 in Pennsylvania. What drives it

2 places in town are on the National Register, among them two historic districts with 50 buildings between them. Below: 4 old photos and papers, maps from 1894 on, and the census since 1930.

1686founded
2on the National Register
11%homes built before 1940
4old photos & papers
1famous people
Quick answers

How Middletown Township began

When was Middletown Township founded?

1686

Middletown Township dates its founding to 1686 (Wikidata). The census first counted it in 1930.

First census: 4,728 in 19302020 census: 16,373340 years

How historic is Middletown Township?

A

More historic than 89% of U.S. towns, on its age, its old homes and the National Register.

What drives the grade ↓
Founding year: Wikidata. First post office: 1832.The full story ↓
History grade

What drives Middletown Township’s History grade

On its age, its old homes and the National Register, Middletown Township is more historic than 89% of U.S. towns, #196 of 1,035 in Pennsylvania. Its age holds the grade up; its share of homes from before 1940 pulls it down.

A
HistoryA character grade: shown, never part of Middletown Township’s overall grade.
All U.S. towns we grade (21,289)Ahead of 89%
NewerOlder
Pennsylvania towns of 2,500+ (1,035)Ahead of 81%

Pennsylvania towns list about as much on the Register as the country (a typical Pennsylvania town has 2.1 per 10,000 residents, the U.S. 2.4), so Middletown Township’s 29.9 sits above most of its state (84% of Pennsylvania towns have fewer) while its 50 historic buildings outnumber those of 85% of U.S. towns.

NoteThe founding year comes from Wikidata alone; no second source gives 1686.
How sure. Graded on any two of the three inputs instead, the letter would range from B+ to A+. The pre-1940 share (±2.8 points) is firm at this size.

Founding year: Wikidata (other dates in Quick answers). Homes: Census ACS 2020–24. National Register: National Park Service, May 2026 list; each listing counted once (boundary changes and added documentation belong to their listing), and a historic district counts its contributing buildings. How TownRatings grades history →

What stands out about Middletown Township’s past

Read from the archive, the National Register and the record. The page puts what stands out first.

★ What stands out · Places that used to be

Lost post offices, old corners, places now gone and burying grounds

Eight other post offices opened and closed inside today’s town.

Lima
1832–1973
Glen Riddle
1854–1973
Lenni Mills
1858–1967
Darling
1879–1964
Elwyn
1880–1960
Knowlton
1880–1911
Wawa
1880–1963
Mount Alverno
1889–1927
Lenni
1967–today
18301930today
Hamlets and corners on the map
Alverno Valley FarmsBlack HorseBortondaleDarlingDarlington ValleyElwynGlen RiddleGranite Farms EstatesGranite RunKnowltonLenniLimaLima EstatesLinvillaMount AlvernoOld Mill PointePennell PlaceRiddle GlenRiddlewoodRose Run EstatesSpring OakWawa
Gone or out of use
Black Horse HotelbuildingCopter-Borden AirportairportLinvill Airportairport
6cemeteries and burying grounds inside Middletown Township
CumberlandElwynHoneycomb American Methodist Episcopal ChurchMiddletown Friends Monthly MeetingMiddletown PreparativeMiddletown Presbyterian Church

US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).

Help out

Start Middletown Township’s collection

The first neighbors to add old photos shape how Middletown Township’s history is told.

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
On the map

Middletown Township on the map, 1894 to 1994

Every edition of the U.S. Geological Survey’s map of Middletown Township. Tap a year, or press play to watch the town change.

Middletown Township on the 1894 USGS mapMiddletown Township on the 1945 USGS mapMiddletown Township on the 1955 USGS mapMiddletown Township on the 1966 USGS mapMiddletown Township on the 1973 USGS mapMiddletown Township on the 1994 USGS map1894Chester sheet · 1:62,500

U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Middletown Township.

The story

How Middletown Township came to be

From Wikipedia’s history of Middletown Township.

Read it all →

Middletown Township was probably established as a township in 1686, but it is first mentioned in 1687 when John Martin was established as constable. The name of the township is believed to be derived from its position in the middle or center of Chester County where it resided until 1789, when Delaware County was created from the eastern portion of Chester County. Delaware County played an important role in the anti-slavery movement. Not only did residents advocate for manumission, noted local families such as the Van Leers bought and sold lots to free black tradesmen or only to people who were supportive of the free black community. The location is now known as Van Leer Avenue. The local community grew with support from local neighbors.

Text from Wikipedia, licensed CC BY-SA 4.0.

Timeline

Middletown Township, 1686 to 1973

Woven from the archive, old maps, post office records, the National Register and the people born here.

  1. 17th century
  2. 1686
    FoundingMiddletown Township is established
  3. 19th century
  4. 1832Post officeThe Lima post office opens
  5. 1854Post officeThe Glen Riddle post office opens
  6. 1858Post officeThe Lenni Mills post office opens
  7. 1862Born hereWilliam L. Mathues is born here
  8. 1875In the archiveCombination atlas map of Delaware County, Pennsylvania
  9. 1880In the archive1940 Census Enumeration District Maps - Pennsylvania - Delaware County - Middletown - ED …
  10. 1894On the mapFirst mapped by the U.S. Geological Survey
  11. 20th century
  12. 1967Post officeThe Lenni Mills post office closes
  13. 1973Post officeThe Lima post office closes
  14. 1973Post officeThe Glen Riddle post office closes
By decade

Middletown Township, decade by decade

2 decades in the archive, from the 1870s to the 1880s. Scroll each row; tap a photo for its story.

Then & now

Stand where they stood

No then-and-now pairs yet. Take a photo from the same spot as an old one and they appear here side by side.

1940 Census Enumeration District Maps - Pennsylvania - Delaware County - Middletown - ED 23-119, ED 23-120, ED 23-121, …
Retake this view1940 Census Enumeration District Maps - Pennsylvania - Delaware County - Middletown - ED 23-119, ED 23-120, ED 23-121, …, 1880

Find the spot, match the angle, and add your photo. It becomes the first then-and-now pair on Middletown Township’s page.

Retake this view · +15
On the National Register

2 listings protect 50 historic buildings

The country’s official list of buildings and places worth saving.

places listed
2
National Historic Landmarks
0
none yet
historic buildings protected
50
each building in a district counts
first listed
2003
Tyler, John J., Arboretum
Districts

Architectural styles listings

Colonial Revival1
Georgian1
19th Century Revival1
Victorian1
Gothic Revival1
20th Century Revival1
All 2 listings

National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.

People over time

Middletown Township, census by census

02,0004,0006,0008,00010,00012,00014,00016,00018,0001940196019802000202016,373

Grew from 4,728 people in 1930 to 16,373 in 2020, 3 times over.

10 censuses, 1930–2020.

U.S. Census Bureau decennial counts, from the census table on Middletown Township’s Wikipedia page.

Stories next door

History across the town line

Each neighbor’s History grade, on the same three inputs.

Questions about Middletown Township’s history

What year was Middletown Township founded?

In 1686, according to Wikidata. Middletown Township’s post office opened in 1832, and the census of 1930 counted 4,728 people here.

How does Middletown Township rank for history?

Middletown Township is more historic than 89% of U.S. towns, #196 of 1,035 in Pennsylvania. The History grade combines the town’s founding era, the share of homes built before 1940 and its National Register listings. It’s a character grade, so it isn’t part of the overall grade. How it works.

What is on the National Register in Middletown Township?

Two places: the Tyler, John J., Arboretum (listed 2003) and the Williamson Free School of Mechanical Trades (2022).

How old are the homes in Middletown Township?

11% of Middletown Township’s homes were built before 1940 (Census estimate, ±2.8 points), against a typical 18% for a Pennsylvania town; the median home was built in 1977.

Memory lane

What the archives can’t tell you, neighbors can.

Town Square →
Start a conversation
Sources

Where this page comes from

Founding dates: Wikidata, Wikipedia, the U.S. post office records of Blevins & Helbock (CC0) and the Census. Homes by year built: Census ACS 2020–24. National Register of Historic Places: National Park Service (list of May 22, 2026). Old photos, postcards and papers: Wikimedia Commons, the Library of Congress and other public archives, credited on each item’s page. Maps: U.S. Geological Survey historical topographic maps (via Esri) and Sanborn fire-insurance maps (Library of Congress). History text and census tables: Wikipedia (CC BY-SA 4.0). Places that used to be: USGS Geographic Names Information System (2021).

From Wikimedia Commons (12), the National Register of Historic Places (2), Wikipedia, Wikidata and Wikipedia for famous people, U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia), the US Post Offices dataset (Blevins & Helbock) and the USGS Geographic Names Information System. Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.