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History · Henderson Township

2 of Henderson Township’s places are on the National Register

Its Register listings are the Huntingdon Armory and the Pennsylvania Canal Guard Lock and Feeder Dam, Raystown Branch. Most of Henderson Township was built recently: 9% of its homes predate 1940 and the median home dates from 1986. Below: maps from 1922 on and the census since 2000.

2on the National Register
9%homes built before 1940

What stands out about Henderson Township’s past

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

★ What stands out · Help out

Start Henderson Township’s collection

The first neighbors to add old photos shape how Henderson 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

Henderson Township on the map, 1922 to 1971

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

Henderson Township on the 1922 USGS mapHenderson Township on the 1959 USGS mapHenderson Township on the 1971 USGS map1922Mt Union 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 Henderson Township.

The story

How Henderson Township came to be

From Wikipedia’s history of Henderson Township.

Read it all →

The Pennsylvania Canal Guard Lock and Feeder Dam, Raystown Branch was listed on the National Register of Historic Places in 1990.

Text from Wikipedia, licensed CC BY-SA 4.0.

Timeline

Henderson Township, 1875 to 1922

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

  1. 19th century
  2. 1875Post officeThe Union Church post office opens
  3. 20th century
  4. 1909Post officeThe Union Church post office closes
  5. 1922On the mapFirst mapped by the U.S. Geological Survey
By decade

Henderson Township, decade by decade

On the National Register

2 historic places in Henderson Township

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

places listed
2
National Historic Landmarks
0
none yet
historic buildings protected
2
each building in a district counts
first listed
1989
Huntingdon Armory
BuildingsStructures

Architectural styles listings

Moderne1
Feeder Canal Lock and Dam1

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

People over time

Henderson Township, census by census

02004006008001,00020002020Peak: 972

Between 923 and 972 people in every census since 2000.

3 censuses, 2000–2020.

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

Famous people

Famous people close to Henderson Township

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

See all →
Places that used to be

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

Another post office, Union Church, opened and closed inside today’s town.

Hamlets and corners on the map
Ardenheim
Gone or out of use
Union Churchchurch
6cemeteries and burying grounds inside Henderson Township
Agudath Achim Memorial ParkCampbell FamilyEvans FamilyGoodmanMount Zion Lutheran ChurchSteel

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

Stories next door

History across the town line

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

Questions about Henderson Township’s history

What is on the National Register in Henderson Township?

Two places: the Huntingdon Armory (listed 1989) and the Pennsylvania Canal Guard Lock and Feeder Dam, Raystown Branch (1990).

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). How TownRatings grades history →

From Wikimedia Commons (4), Wikidata (1), the National Register of Historic Places (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.