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CHistory
History · Penn Township

Penn Township’s post office opened in 1851, and 13% of its homes were built before 1940

More historic than 32% of U.S. towns · #930 of 1,035 in Pennsylvania. What drives it

Below: 1 old photo or paper, maps from 1902 on, and the census since 2000.

1851first post office
0on the National Register
13%homes built before 1940
1old photo or paper
From Penn Township’s archive · credits on each photo
Quick answers

How Penn Township began

When was Penn Township founded?

1851

The Penn Township post office opened in 1851, the earliest record of the town by name. Seven smaller post offices, Mount Hope (1831), Penn (1851) and White Oak (1855), opened inside today’s town and later closed.

First census: 7,312 in 20002020 census: 10,210175 years

How historic is Penn Township?

C

More historic than 32% of U.S. towns, on its age, its old homes and the National Register.

What drives the grade ↓
Founding year: the first Penn Township post office (Blevins & Helbock, CC0).The full story ↓
History grade

What drives Penn Township’s History grade

On its age, its old homes and the National Register, Penn Township is more historic than 32% of U.S. towns, #930 of 1,035 in Pennsylvania. Its share of homes from before 1940 holds the grade up; its National Register listings pull it down.

C
HistoryA character grade: shown, never part of Penn Township’s overall grade.
All U.S. towns we grade (21,289)Ahead of 32%
NewerOlder
Pennsylvania towns of 2,500+ (1,035)Ahead of 10%

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 Penn Township’s 0.0 sits below most of its state (25% of Pennsylvania towns have fewer) while its 0 listings outnumber those of 23% of U.S. towns.

How sure. Graded on any two of the three inputs instead, the letter would range from C− to C+. The pre-1940 share is a Census survey estimate (±3.8 points). The founding year is the first post office, not a stated founding date.

Founding year: the first post office (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 Penn 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

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

Mount Hope
1831–1920
Penn
1851–1906
White Oak
1855–1935
Lime Rock
1881–1902
Ebys
1888–1903
Fairland
1889–1910
Elstonville
1890–1905
Penryn
1891–today
Elm
1899–today
18301930today
Hamlets and corners on the map
ElmElstonvilleElwyn TerraceFairlandLancaster JunctionLimerockMount HopePenrynValley ViewWhite Oak
Gone or out of use
Elm Post Officepost officeMount Hope Post Officepost officePenn Post Officepost officeRohrers QuarrymineSteigel Valley Air ParkairportWhite Oak Post Officepost office
23cemeteries and burying grounds inside Penn Township
Dohner FarmEbyErbErb Mennonite ChurchGibbel FarmGraybill Church of the BrethrenGrebiel / SeemullerHarnley - LongeneckerHersheyHoffer GravesiteHope Episcopal ChurchKauffman's Mennonite ChurchKellerKreider FamilyKreiders Church of the BrethrenLime Rock Mennonite ChurchLutzManheim FairviewMoore MillerPenrynWhite Oak Church of the BrethrenWhite Oak MennoniteZug Family
See all 23

Dohner Farm Cemetery · Eby Cemetery · Erb Cemetery · Erb Mennonite Church Cemetery · Gibbel Farm Cemetery · Graybill Church of the Brethren Cemetery · Grebiel / Seemuller Graveyard · Harnley - Longenecker Graveyard · Hershey Cemetery · Hoffer Gravesite · Hope Episcopal Church Cemetery · Kauffman's Mennonite Church Cemetery · Keller Graveyard · Kreider Family Cemetery · Kreiders Church of the Brethren Cemetery · Lime Rock Mennonite Church Cemetery · Lutz Graveyard · Manheim Fairview Cemetery · Moore Miller Graveyard · Penryn Cemetery · White Oak Church of the Brethren Cemetery · White Oak Mennonite Cemetery · Zug Family Cemetery

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

Help out

Start Penn Township’s collection

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

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

How Penn Township came to be

From Wikipedia’s history of Penn Township.

Read it all →

The Kauffman's Distillery Covered Bridge and Mount Hope Estate are listed on the National Register of Historic Places.

Text from Wikipedia, licensed CC BY-SA 4.0.

Timeline

Penn Township, 1831 to 1935

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

  1. 19th century
  2. 1831Post officeThe Mount Hope post office opens
  3. 1851Post officeThe Penn post office opens
  4. 1855Post officeThe White Oak post office opens
  5. 1880In the archive1940 Census Enumeration District Maps - Pennsylvania - Lancaster County - Penn - ED 36-13…
  6. 20th century
  7. 1902On the mapFirst mapped by the U.S. Geological Survey
  8. 1906Post officeThe Penn post office closes
  9. 1920Post officeThe Mount Hope post office closes
  10. 1935Post officeThe White Oak post office closes
By decade

Penn Township, decade by decade

One decade in the archive so far: the 1880s. Scroll each row; tap a photo for its story.

1890s–1990snothing yet
Nothing in the archives for these yearsWeddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
Add from your album
On the map

Penn Township on the map, 1902 to 1943

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

Penn Township on the 1902 USGS mapPenn Township on the 1943 USGS map1902Lancaster 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 Penn Township.

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 - Lancaster County - Penn - ED 36-133, ED 36-134
Retake this view1940 Census Enumeration District Maps - Pennsylvania - Lancaster County - Penn - ED 36-133, ED 36-134, 1880

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

Retake this view · +15
People over time

Penn Township, census by census

02,0004,0006,0008,00010,00020002020Peak: 10,224

Between 7,312 and 10,224 people in every census since 2000.

3 censuses, 2000–2020.

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

Famous people

Famous people close to Penn Township

Nobody well known was born in Penn Township itself, so here are the best known from just nearby.

See all →
Stories next door

History across the town line

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

Questions about Penn Township’s history

What year was Penn Township founded?

The Penn Township post office opened in 1851, the earliest record of the town by name (U.S. post office records).

How does Penn Township rank for history?

Penn Township is more historic than 32% of U.S. towns, #930 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.

How old are the homes in Penn Township?

13% of Penn Township’s homes were built before 1940 (Census estimate, ±3.8 points), against a typical 18% for a Pennsylvania town; the median home was built in 1984.

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 (2), Wikipedia, 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.