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A−History
History · Bayport

Bayport dates to 1873, and 30% of its homes were built before 1940

More historic than 81% of U.S. towns · #18 of 273 in Minnesota. What drives it

1 place in town is on the National Register, among them a historic district with 21 buildings. Below: 1 old photo or paper, maps from 1948 on, and the census since 1880.

1873founded
1on the National Register
30%homes built before 1940
1old photo or paper
From Bayport’s archive · credits on each photo
Quick answers

How Bayport began

When was Bayport founded?

1873

Bayport dates its founding to 1873 (Wikidata). The census first counted it in 1880.

First census: 601 in 18802020 census: 4,024153 years

How historic is Bayport?

A−

More historic than 81% of U.S. towns, on its age, its old homes and the National Register.

What drives the grade ↓
Founding year: Wikidata. First post office: 1873.The full story ↓
History grade

What drives Bayport’s History grade

On its age, its old homes and the National Register, Bayport is more historic than 81% of U.S. towns, #18 of 273 in Minnesota. Its National Register listings hold the grade up; its age pulls it down.

A−
HistoryA character grade: shown, never part of Bayport’s overall grade.
All U.S. towns we grade (21,289)Ahead of 81%
NewerOlder
Minnesota towns of 2,500+ (273)Ahead of 94%

Minnesota towns list about as much on the Register as the country (a typical Minnesota town has 2.1 per 10,000 residents, the U.S. 2.4), so Bayport’s 53.8 sits above most of its state (94% of Minnesota towns have fewer) while its 21 historic buildings outnumber those of 80% of U.S. towns.

NoteThe founding year comes from Wikidata alone; no second source gives 1873.
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 (±12.3 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 Bayport’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 Bayport’s collection

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

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
On the National Register

1 listing protects 21 historic buildings

The country’s official list of buildings and places worth saving.

place listed
1
National Historic Landmarks
0
none yet
historic buildings protected
21
each building in a district counts
first listed
1986
State Prison Historic District

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

The story

How Bayport came to be

From Wikipedia’s history of Bayport.

Read it all →

The City of Bayport began as three small settlements along the St. Croix River. In 1873, the St. Croix Railway Improvement Company combined the three settlements into South Stillwater, which was incorporated as a village in 1881. Because many people confused South Stillwater with the city of Stillwater, the city changed its name to Bayport in 1922.

Text from Wikipedia, licensed CC BY-SA 4.0.

Timeline

Bayport, 1873 to 1948

Woven from the archive, old maps, post office records, the National Register and the people born here.

  1. 19th century
  2. 1873
    FoundingBayport is established
  3. 1873Post officeThe South Stillwater post office opens
  4. 1880In the archive1940 Census Enumeration District Maps - Minnesota - Washington County - Bayport - ED 82-3…
  5. 20th century
  6. 1914BuiltState Prison Historic District is built
  7. 1922Post officeThe South Stillwater post office closes
  8. 1922Post officeThe Bayport post office opens
  9. 1948On the mapFirst mapped by the U.S. Geological Survey
By decade

Bayport, decade by decade

One decade in the archive so far: the 1880s. Scroll each row; tap a photo for its story.

1890s–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
On the map

Bayport on the map, 1948 to 1993

Every edition of the U.S. Geological Survey’s map of Bayport. Tap a year, or press play to watch the town change.

Bayport on the 1948 USGS mapBayport on the 1951 USGS mapBayport on the 1967 USGS mapBayport on the 1980 USGS mapBayport on the 1993 USGS map1948Stillwater 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 Bayport.

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.

1940 Census Enumeration District Maps - Minnesota - Washington County - Bayport - ED 82-3, ED 82-4
Retake this view1940 Census Enumeration District Maps - Minnesota - Washington County - Bayport - ED 82-3, ED 82-4, 1880

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

Retake this view · +15
People over time

Bayport, census by census

05001,0001,5002,0002,5003,0003,5004,0004,500188019001920194019601980200020204,024

Grew from 601 people in 1880 to 4,024 in 2020, 6 times over.

15 censuses, 1880–2020.

U.S. Census Bureau decennial counts, from the census table on Bayport’s Wikipedia page.

Famous people

Famous people close to Bayport

Nobody well known was born in Bayport itself, so here are the best known from just nearby.

See all →
Places that used to be

Lost post offices, places now gone and burying grounds

Bayport’s post office has been open since 1922. Another post office, South Stillwater, opened and closed inside today’s town.

South Stillwater
1873–1922
Bayport
1922–today
18701950today
Gone or out of use
Bayport Post Officepost office
3cemeteries and burying grounds inside Bayport
HazelwoodSaint CharlesSaint Michael

US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).

Stories next door

History across the town line

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

Questions about Bayport’s history

What year was Bayport founded?

In 1873, according to Wikidata. Bayport’s post office opened in 1873, and the census of 1880 counted 601 people here.

How does Bayport rank for history?

Bayport is more historic than 81% of U.S. towns, #18 of 273 in Minnesota. 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 Bayport?

One place: the State Prison Historic District (listed 1986).

How old are the homes in Bayport?

30% of Bayport’s homes were built before 1940 (Census estimate, ±12.3 points), against a typical 8.1% for a Minnesota town; the median home was built in 1960.

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 (5), Wikidata (1), the National Register of Historic Places (1), Wikipedia, 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.