More historic than 35% of U.S. towns · #520 of 701 in Michigan. What drives it
Most of Portage was built recently: 2% of its homes predate 1940 and the median home dates from 1978. Below: 1 old photo or paper, maps from 1922 on, and the census since 1970.
Founding year: Wikipedia. First post office: 1836.The full story ↓
History grade
What drives Portage’s History grade
On its age, its old homes and the National Register, Portage is more historic than 35% of U.S. towns, #520 of 701 in Michigan. Its age holds the grade up; its share of homes from before 1940 pulls it down.
C+
HistoryA character grade: shown, never part of Portage’s overall grade.
Few Michigan towns list much on the Register (a typical Michigan town has 0.0 per 10,000 residents, the U.S. 2.4), so Portage’s 0.0 sits below most of its state (32% of Michigan 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 D to B−. The pre-1940 share (±0.6 points) is firm at this size. Two sources give 1830.
Founding year: Wikipedia (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 Portage’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Portage was settled in 1830, and incorporated as a city in 1963.
On May 7, 2024, the city was struck by a high-end EF2 tornado, causing significant damage to homes and properties. A FedEx distribution center was severely damaged after the tornado caused part of the roof to collapse. Over 500 buildings were damaged, with 60 being destroyed, including a strip mall.
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.
In 1830, according to Wikipedia’s history of the town. Portage’s post office opened in 1836, and the census of 1970 counted 33,590 people here.
How does Portage rank for history?
Portage is more historic than 35% of U.S. towns, #520 of 701 in Michigan. 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 Portage?
2% of Portage’s homes were built before 1940 (Census estimate), against a typical 12% for a Michigan town; the median home was built in 1978.
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 (18), Wikipedia, 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.