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A−History
History · Cambridge

Cambridge’s post office opened in 1848, and 17% of its homes were built before 1940

More historic than 77% of U.S. towns. What drives it

Its Register listing is the Cambridge Public School and High School. Below: 1 old photo or paper from 1977 on and old-book passages.

1848first post office
1on the National Register
17%homes built before 1940
1old photo or paper
From Cambridge’s archive · credits on each photo
Quick answers

How Cambridge began

When was Cambridge founded?

1848

The Cambridge post office opened in 1848, the earliest record of the town by name.

2020 census: 1,638178 years

How historic is Cambridge?

A−

More historic than 77% of U.S. towns, on its age, its old homes and the National Register.

What drives the grade ↓
Founding year: the first Cambridge post office (Blevins & Helbock, CC0).The full story ↓
History grade

What drives Cambridge’s History grade

On its age, its old homes and the National Register, Cambridge is more historic than 77% of U.S. towns. All 3 inputs are above most U.S. towns; its age ranks highest and its National Register listings lowest.

A−
HistoryA character grade: shown, never part of Cambridge’s overall grade.
All U.S. towns we grade (21,289)Ahead of 77%
NewerOlder

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 Cambridge’s 6.2 sits above most of its state (68% 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 B+ to A−. The pre-1940 share is a Census survey estimate (±4.6 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 Cambridge’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 Cambridge’s collection

The first neighbors to add old photos shape how Cambridge’s history is told.

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
1 of 10 decades. The empty ones are waiting for someone’s album.
The story

How Cambridge came to be

From Wikipedia’s history of Cambridge.

Read it all →

The settlement of Cambridge dates back to October 15, 1847, when the farmer Joseph Keyes filed plans with the Register of Deeds of Dane County. The first structure in the area was a dam on the northern part of Koshkonong Creek. By the late 1880s, Cambridge had grown into a community of about 700 people with shops, hotels, and a post office. Future inventor Ole Evinrude lived there. In 1890 a devastating fire broke out, destroying most of the businesses and parts of Main Street.

The town was rebuilt by 1910, following the fire, and the invention of the automobile ignited tourism. Nearby Lake Ripley became a destination for many Chicago travelers.

Text from Wikipedia, licensed CC BY-SA 4.0.

From the old history books

What they wrote about Cambridge, 1877–1903

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

proportion of the land is that of an undulating prairie, broken here and there by beautiful oak openings and marsh, and possessing an abundance of water, affording every facility for manufacturing enterpj'ise. The streams of this town are the Koshkonong River, which enters its limits at the village…
History of Dane County, Wisconsin ... preceded by a history of Wisconsin, statistics of the state, and an abstract of its laws and constitution and of the Constitution of the United States1880 · page 855Read the page →
Read the text

proportion of the land is that of an undulating prairie, broken here and there by beautiful oak openings and marsh, and possessing an abundance of water, affording every facility for manufacturing enterpj'ise. The streams of this town are the Koshkonong River, which enters its limits at the village of Cambridge, on Section 12, passes through the village of Clinton, on Sections 13, 24, 23, and thence through Sections 26, 25 and 36, into the town of Albion ; the Koshkonong Creek, in the southern part, which has its rise in small streams in the center of the town; and Mud Creek, which runs north into the town of Deerfield. Koshkonong prairie extends through the town from southwest to northeast and into the town of Deerfield. The north-

Text read by machine from the scan; it may contain errors.
lethargic colonial authorities failed to recognize the importance of this warning. But Job Kattenanit, of Natick, another daring fcout, dragged himfelf to Major Daniel Gookin's door in Cambridge a little before midnight on February ninth, exhaufled with his eighty-mile journey through the wildernef…
The narrative of the captivity and restoration of Mrs. Mary Rowlandson. First printed in 1682 at Cambridge, Massachusetts, & London, England. Now reprinted in facsimile1903Read the page →
Read the text

lethargic colonial authorities failed to recognize the importance of this warning. But Job Kattenanit, of Natick, another daring fcout, dragged himfelf to Major Daniel Gookin's door in Cambridge a little before midnight on February ninth, exhaufled with his eighty-mile journey through the wildernefs upon fnow-fhoes from Menamefet, bringing complete confirmation of Quanapaug's report.

Text read by machine from the scan; it may contain errors.
class facilities for milling purposes, there being two grist mills in the town, one at Cambridge and another at Clinton, the latter having one of the finest water powers in this part of the state, and doing a large custom and flonring biiainess.
Madison, Dane County and surrounding towns1877 · page 354Read the page →
Read the text

class facilities for milling purposes, there being two grist mills in the town, one at Cambridge and another at Clinton, the latter having one of the finest water powers in this part of the state, and doing a large custom and flonring biiainess.

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

Cambridge, decade by decade

One decade in the archive so far: the 1970s. Scroll each row; tap a photo for its story.

1970s1 item
1980s–1990snothing yet
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.
Add from your album
Then & now

Stand where they stood

No then-and-now pairs yet. Take a photo from the same spot as an old one and they appear here side by side.

Gas station
Retake this viewGas station, 1977

Find the spot, match the angle, and add your photo. It becomes the first then-and-now pair on Cambridge’s page.

Retake this view · +15
On the National Register

1 historic place in Cambridge

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
first listed
1998
Cambridge Public School and High School
Buildings

Architectural styles listings

Colonial Revival1
Romanesque1

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

Stories next door

History across the town line

Each neighbor’s History grade, on the same three inputs.

Questions about Cambridge’s history

What year was Cambridge founded?

The Cambridge post office opened in 1848, the earliest record of the town by name (U.S. post office records).

How does Cambridge rank for history?

Cambridge is more historic than 77% of U.S. towns. 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 Cambridge?

One place: the Cambridge Public School and High School (listed 1998).

How old are the homes in Cambridge?

17% of Cambridge’s homes were built before 1940 (Census estimate, ±4.6 points), against a typical 12% for a Wisconsin town; the median home was built in 1991.

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).

From Wikimedia Commons (6), the National Register of Historic Places (1), 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.