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History · Cylon

Cylon’s post office opened in 1862, and 27% of its homes were built before 1940

Below: maps from 1950 on.

1862first post office
0on the National Register
27%homes built before 1940
Quick answers

How Cylon began

When was Cylon founded?

1862

The Cylon post office opened in 1862, the earliest record of the town by name.

2020 census: 708164 years
Founding year: the first Cylon post office (Blevins & Helbock, CC0).

What stands out about Cylon’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 Cylon’s collection

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

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

Cylon, in brief

Wikipedia doesn’t have a history of Cylon yet. The photos, dates and memories neighbors add here are how it gets written.

Cylon is a town in St. Croix County, Wisconsin, United States. The population was recorded to be 708 as of the 2020 census.

Its first post office opened in 1862. Between the 2010 and 2020 censuses its population grew from 683 to 708 (+4%).

Intro from Wikipedia. Population: U.S. Census Bureau.

Timeline

Cylon, 1862 to 1955

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

  1. 19th century
  2. 1862Post officeThe Cylon post office opens
  3. 20th century
  4. 1950On the mapFirst mapped by the U.S. Geological Survey
  5. 1955Post officeThe Cylon post office closes
By decade

No old photos in the archives yet

Weddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.

Be the first to add onePhotograph a print flat, in daylight, no flash.
Add from your album
On the map

Cylon on the map, 1950 to 1975

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

Cylon on the 1950 USGS mapCylon on the 1975 USGS map1950Deer Park 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 Cylon.

Famous people

Famous people close to Cylon

Nobody well known was born in Cylon 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

Cylon had its own post office from 1862 to 1955.

Cylon
1862–1955
18601940today
Gone or out of use
Cylon SchoolschoolEdgewood SchoolschoolHigh Landing SchoolschoolHoly Rosary ChurchchurchOakland Schoolschool
2cemeteries and burying grounds inside Cylon
CalvaryHoly Rosary

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 Cylon’s history

What year was Cylon founded?

The Cylon post office opened in 1862, the earliest record of the town by name (U.S. post office records).

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). How TownRatings grades history →

From 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.