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History · Delta

Delta’s post office opened in 1924

Most of Delta was built recently: 9% of its homes predate 1940 and the median home dates from 1986. Below: maps from 1971 on.

1924first post office
0on the National Register
9%homes built before 1940
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Quick answers

How Delta began

When was Delta founded?

1924

The Delta post office opened in 1924, the earliest record of the town by name.

2020 census: 315102 years
Founding year: the first Delta post office (Blevins & Helbock, CC0).

What stands out about Delta’s past

Read from the archive, the National Register and the record. The page puts what stands out first.

A history waiting to be writtenNo old photos of Delta are in the public archives yet. The rest are in attics and albums.
★ What stands out · Help out

Start Delta’s collection

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

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

Delta, in brief

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

Delta is a town in Bayfield County, Wisconsin, United States. The population was 315 at the 2020 census, up from 273 at the 2010 census. The unincorporated communities of Delta and Pike River are located in the town. The unincorporated community of Sutherland is located partially in the town.

Its first post office opened in 1924. Between the 2010 and 2020 censuses its population grew from 273 to 315 (+15%).

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

Timeline

Delta, 1924 to 1971

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

  1. 20th century
  2. 1924Post officeThe Delta post office opens
  3. 1965Post officeThe Delta post office closes
  4. 1971On the mapFirst mapped by the U.S. Geological Survey
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.
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On the map

Delta on the map, 1971 to 2005

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

Delta on the 1971 USGS mapDelta on the 2005 USGS map1971Delta sheet · 1:24,000

U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Delta.

Famous people

Famous people close to Delta

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

See all →
Paul HammAmerican artistic gymnast · b. 1982
Morgan HammGymnast · b. 1982
J
John SzarkowskiAmerican curator · b. 1925
Jennifer OuelletteAmerican science writer · b. 1964
Robin GreenfieldAmerican activist and adventurer · b. 1986
J
John GordonAmerican curler · b. 1958
Places that used to be

Lost post offices, old corners, places now gone and burying grounds

Delta had its own post office from 1924 to 1965.

Delta
1924–1965
19201970today
Hamlets and corners on the map
Pike RiverSutherland
Gone or out of use
Delta Civilian Conservation Corps Camplocale
1cemetery inside Delta
Delta

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.

DrummondIts storynot graded: under 1,000 residents or part of its townBarnes1 historic placenot graded: under 1,000 residents or part of its townKeystoneIts storynot graded: under 1,000 residents or part of its townIron RiverIts storyCMasonIts storynot graded: under 1,000 residents or part of its townHughesIts storynot graded: under 1,000 residents or part of its town

Questions about Delta’s history

What year was Delta founded?

The Delta post office opened in 1924, 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 →
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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.