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History · Cetronia

Cetronia’s post office opened in 1888, and 12% of its homes were built before 1940

1 place in town is on the National Register. Below: old-book passages.

1888first post office
1on the National Register
12%homes built before 1940
Photo: Editorofthewiki · CC BY-SA 4.0
Quick answers

How Cetronia began

When was Cetronia founded?

1888

The Cetronia post office opened in 1888, the earliest record of the town by name.

2020 census: 2,421138 years
Founding year: the first Cetronia post office (Blevins & Helbock, CC0).

What stands out about Cetronia’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 Cetronia’s collection

The first neighbors to add old photos shape how Cetronia’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 so far

Cetronia, in brief

Wikipedia doesn’t have a history of Cetronia yet. The photos, dates and memories neighbors add here are how it gets written.

Cetronia is a census-designated place (CDP) in South Whitehall Township, Pennsylvania, located near Allentown. As of the 2020 census, its population was 2,421. Cetronia is part of the Lehigh Valley metropolitan area, which had a population of 861,899 and was the 68th-most populous metropolitan area in the U.S. as of the 2020 census.

Its first post office opened in 1888.

Intro from Wikipedia. Population: U.S. Census Bureau.

From the old history books

What they wrote about Cetronia, 1902–1914

Passages that mention Cetronia, cut from the printed page as they were published.

6 4 5 Cetronia Union Church, Whitehall Township. — This church is situated in the village of Cetronia, formerly Cedarville, in South Whitehall township, Lehigh county. Its history dates from the year 1854. Near the close of the
History of Lehigh county, Pennsylvania and a genealogical and biographical record of its families1914 · page 1464Read the page →
Read the text

6 4 5 Cetronia Union Church, Whitehall Township. — This church is situated in the village of Cetronia, formerly Cedarville, in South Whitehall township, Lehigh county. Its history dates from the year 1854. Near the close of the

Text read by machine from the scan; it may contain errors.
VILLAGES — Cetronia. formerly Cedarville, was founded in 1850 by Charles Mertz and contains a store, hotel, three churches, flour mills and post office. Dorney Fish Wier and Park, a quarter of a mile west, is a fine summer resort. The Allentown & Kutztown electric road passes the village and Dorney…
History of Lehigh County, Pennsylvania, from the earliest settlements to the present time, including much valuable information for the use of schools, families, libraries1902 · page 45Read the page →
Read the text

VILLAGES — Cetronia. formerly Cedarville, was founded in 1850 by Charles Mertz and contains a store, hotel, three churches, flour mills and post office. Dorney Fish Wier and Park, a quarter of a mile west, is a fine summer resort. The Allentown & Kutztown electric road passes the village and Dorney Park. Population in 1900 was 150. Crackersport, a small village, contains a store, hotel and carriage factory. Populatiou in 1900 was 90. Griesmersville, founded in 1806 by Abraham Griesemer, it contains a hotel, limekilns, and the famous Duck Farm is located here. The Allentown & Kutztown electric railroad

Text read by machine from the scan; it may contain errors.
VILLAGES— Cetronia, formerly Cedarville, was founded in 1850 by .' Charles Mertz and contains a stdre, hotel, three churches, flour mills and post office. Dorney Fish Wier and Park, a quarter of a mile west, is a fine summer resort. The Allentown & Kutztown electric road passes the village and Dorn…
A history of Lehigh County, Pennsylvania, from the earliest settlements to the present time, including much valuable information for the use of schools, families, libraries1902 · page 45Read the page →
Read the text

VILLAGES— Cetronia, formerly Cedarville, was founded in 1850 by .' Charles Mertz and contains a stdre, hotel, three churches, flour mills and post office. Dorney Fish Wier and Park, a quarter of a mile west, is a fine summer resort. The Allentown & Kutztown electric road passes the village and Dorney Park. Population in 1900 was 150. Crackersport, a small village, contains a store, hotel and carriage factory. Population in 1900 was 90. Griesmersville, founded in 1806 by Abraham Griesemer, it contains a hotel, limekilns, and the famous Duck Farm is located here. The Allentown & Kutztown electric railroad

Text read by machine from the scan; it may contain errors.

Scans and text from the Internet Archive. Books published in 1930 or earlier, which are in the public domain.

By decade

Cetronia, decade by decade

On the National Register

1 historic place in Cetronia

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

place listed
1
National Historic Landmarks
0
none yet
historic buildings protected
1
each building in a district counts

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

Famous people

Famous people close to Cetronia

Nobody well known was born in Cetronia 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 Cetronia’s history

What year was Cetronia founded?

The Cetronia post office opened in 1888, the earliest record of the town by name (U.S. post office records).

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 (2) and old county and town histories (Internet Archive). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.