The Addison post office opened in 1850, the earliest record of the town by name. Three smaller post offices, Aurora (1854), Nenno (1857) and Saint Lawrence (1867), opened inside today’s town and later closed.
2020 census: 3,464176 years
How historic is Addison?
B
More historic than 59% of U.S. towns, on its age, its old homes and the National Register.
Founding year: the first Addison post office (Blevins & Helbock, CC0).The full story ↓
History grade
What drives Addison’s History grade
On its age, its old homes and the National Register, Addison is more historic than 59% of U.S. towns, #165 of 362 in Wisconsin. Its share of homes from before 1940 holds the grade up; its age pulls it down.
B
HistoryA character grade: shown, never part of Addison’s overall grade.
Wisconsin towns list more on the Register than most of the country (a typical Wisconsin town has 3.0 per 10,000 residents, the U.S. 2.4), so Addison’s 2.9 sits near the middle of its state (61% of Wisconsin towns have fewer) while its 1 listings outnumber those of 51% of U.S. towns.
How sure. Graded on any two of the three inputs instead, the letter would range from C+ to B+. The pre-1940 share is a Census survey estimate (±9.3 points). The founding year is the first post office, not a stated founding date.
Founding year: the first post office (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 Addison’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
In the early 19th century when the first white settlers arrived in Southeastern Wisconsin, the Potawatomi and Menominee Native Americans inhabited the land now occupied by the Town of Addison. In 1831, the Menominee surrendered their claims to the land to the United States Federal Government through the Treaty of Washington. The Potawatomi surrendered their land claims in 1833 through the 1833 Treaty of Chicago, which (after being ratified in 1835) required them to leave the area by 1838. While many Native people moved west of the Mississippi River to Kansas, some chose to remain, and were referred to as "strolling Potawatomi" in contemporary documents because many of them were migrants who subsisted by squatting on their ancestral lands, which were now owned by white settlers. Eventually the Potawatomi who evaded forced removal gathered in northern Wisconsin, where they formed the Fore…
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.
The Addison post office opened in 1850, the earliest record of the town by name (U.S. post office records).
How does Addison rank for history?
Addison is more historic than 59% of U.S. towns, #165 of 362 in Wisconsin. 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 Addison?
One place: the Ritger Wagonmaking and Blacksmith Shop (listed 1982).
How old are the homes in Addison?
22% of Addison’s homes were built before 1940 (Census estimate, ±9.3 points), against a typical 12% for a Wisconsin town; the median home was built in 1974.
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 (5), the Library of Congress (1), the National Register of Historic Places (1), Wikipedia, U.S. Geological Survey historical maps, 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.
1968
Date?
2007
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