On its age, its old homes and the National Register, Codorus Township is more historic than 93% of U.S. towns, #141 of 1,035 in Pennsylvania. All 3 inputs are above most U.S. towns; its National Register listings ranks highest and its age lowest.
A
HistoryA character grade: shown, never part of Codorus Township’s overall grade.
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 Codorus Township’s 195 sits above most of its state (91% of Pennsylvania towns have fewer) while its 77 historic buildings outnumber those of 88% of U.S. towns.
NoteThe founding year comes from Wikidata alone; no second source gives 1812.
How sure. Graded on any two of the three inputs instead, the letter would range from A− to A. The pre-1940 share is a Census survey estimate (±7.1 points).
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 Codorus Township’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.
The story so far
Codorus Township, in brief
Wikipedia doesn’t have a history of Codorus Township yet. The photos, dates and memories neighbors add here are how it gets written.
Jefferson is a borough in York County, Pennsylvania, United States. The population was 655 at the time of the 2020 census. It is part of the York–Hanover metropolitan area. The name of the post office serving Jefferson is Codorus.
Codorus Township was established in 1812. Between the 2010 and 2020 censuses its population grew from 3,796 to 3,904 (+3%).
Intro from Wikipedia. Population: U.S. Census Bureau.
From the old history books
What they wrote about Codorus Township in 1886
Passages that mention Codorus Township, cut from the printed page as they were published.
History of York County Pennsylvania From the Earliest Time to the Present1886Read the page →
Read the text
There is but one Moravian church; it is located in York. A hundi-ed years ago there was one in Codorus Township. The Mennonites have about a dozen meeting-houses in the county.
Text read by machine from the scan; it may contain errors.
History of York County Pennsylvania From the Earliest Time to the Present1886Read the page →
Read the text
of 194 acres, are also large deposits of brown stone, which is quarried to a large extent. He has a steam saw-mill upon his farm, and is engaged in farming in Codorus Township, where he owns a valuable, finely improved farm, which, with valuable real est ite in York, is the result of wise business enterprise. Mr. Scott was elected resident director of the York County Alms-house, in 1873, and Insti-
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.
Timeline
Codorus Township, 1812 to 1981
Woven from the archive, old maps, post office records, the National Register and the people born here.
Every edition of the U.S. Geological Survey’s map of Codorus Township. Tap a year, or press play to watch the town change.
1920Hanover 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 Codorus Township.
People over time
Codorus Township, census by census
Between 164 and 733 people in every census since 1850.
18 censuses, 1850–2020.
U.S. Census Bureau decennial counts, from the census table on Codorus Township’s Wikipedia page.
Famous people
Famous people close to Codorus Township
Nobody well known was born in Codorus Township itself, so here are the best known from just nearby.
In 1812, according to Wikidata. Codorus Township’s post office opened in 1863, and the census of 1850 counted 164 people here.
How does Codorus Township rank for history?
Codorus Township is more historic than 93% of U.S. towns, #141 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 Codorus Township?
Two places: the Brodbeck, S. B., Housing (listed 1990) and the Pierceville Run Agricultural Historic District (2013).
How old are the homes in Codorus Township?
25% of Codorus Township’s homes were built before 1940 (Census estimate, ±7.1 points), against a typical 18% for a Pennsylvania town; the median home was built in 1975.
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 (3), the National Register of Historic Places (2), U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia), the US Post Offices dataset (Blevins & Helbock), the USGS Geographic Names Information System 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.
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