Half of Upper Macungie Township’s homes were built after 2000
More historic than 19% of U.S. towns · #1,002 of 1,035 in Pennsylvania. What drives it
Most of Upper Macungie Township was built recently: 6% of its homes predate 1940 and the median home dates from 2000. Below: maps from 1902 on and the census since 2000.
What drives Upper Macungie Township’s History grade
On its age, its old homes and the National Register, Upper Macungie Township is more historic than 19% of U.S. towns, #1,002 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 Upper Macungie 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 Upper Macungie 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 two of the three inputs, so a change in either one moves the letter more than it would with three. The pre-1940 share (±2.2 points) is firm at this size.
Founding year: our sources. 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 Upper Macungie Township’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Every edition of the U.S. Geological Survey’s map of Upper Macungie Township. Tap a year, or press play to watch the town change.
1902Slatington 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 Upper Macungie Township.
The story so far
Upper Macungie Township, in brief
Wikipedia doesn’t have a history of Upper Macungie Township yet. The photos, dates and memories neighbors add here are how it gets written.
Upper Macungie Township is a township in Lehigh County, Pennsylvania, United States. The population of Upper Macungie Township was 26,377 as of the 2020 U.S. census, making it the fourth-fastest growing municipality of any category in Pennsylvania in terms of total population growth between 2010 and 2020. The township was created in 1832 when Macungie Township was divided into Upper and Lower Macungie townships. It 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. Upper Macungie Township is located 11.5 miles (18.5 km) southwest of Allentown, 60.8 miles (97.8 km) northwest of …
Between the 2010 and 2020 censuses its population grew from 20,063 to 26,377 (+31%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
Upper Macungie Township, 1820 to 1902
Woven from the archive, old maps, post office records, the National Register and the people born here.
How does Upper Macungie Township rank for history?
Upper Macungie Township is more historic than 19% of U.S. towns, #1,002 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 Upper Macungie Township?
6% of Upper Macungie Township’s homes were built before 1940 (Census estimate, ±2.2 points), against a typical 18% for a Pennsylvania town; the median home was built in 2000.
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 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.