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History · Millsboro

Millsboro’s post office opened in 1824

Most of Millsboro was built recently: 10% of its homes predate 1940 and the median home dates from 1972.

1824first post office
0on the National Register
10%homes built before 1940
3famous people
Add an old photoShare a memory
Quick answers

How Millsboro began

When was Millsboro founded?

1824

The Millsboro post office opened in 1824, the earliest record of the town by name.

2020 census: 580202 years
Founding year: the first Millsboro post office (Blevins & Helbock, CC0).

What stands out about Millsboro’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 Millsboro are in the public archives yet. The rest are in attics and albums.Deep rootsA post office since 1824: 202 years of Millsboro.
★ What stands out · Help out

Start Millsboro’s collection

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

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
Share a family photoSign in to add one+10
Timeline

Millsboro, 1846 to 1924

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

  1. 19th century
  2. 1846Born hereHenry Heaton is born here
  3. 1846Born hereJesse M. Bowell is born here
  4. 20th century
  5. 1924Born hereBilly Barty is born here
The story so far

Millsboro, in brief

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

Millsboro is a census-designated place located in East Bethlehem Township, Washington County, Pennsylvania. The community was part of the Fredericktown-Millsboro CDP for the 2000 census but was split into two separate CDPs for the 2010 census, the other community being Fredericktown. Millsboro is located in far southern Washington County, along Pennsylvania Route 88, which travels along the Monongahela River. As of the 2010 census the population was 666 residents.

Its first post office opened in 1824. Between the 2010 and 2020 censuses its population fell from 666 to 580 (-13%).

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

By decade

Millsboro, decade by decade

Today1 recent
2010 Census Urban Cluster Reference Map for20102010 Census Urban Cluster Reference Map forBook
Famous people

3 famous people were born in Millsboro

Writers, athletes, leaders and more, ranked by how widely they’re known.

See all →
Billy BartyAmerican film actor · b. 1924
Henry HeatonAmerican mathematician · b. 1846
Jesse M. BowellAmerican politician · b. 1846
Stories next door

History across the town line

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

FredericktownIts storynot graded: under 1,000 residents or part of its townEast Bethlehem Township1 historic placeAJefferson Township3 historic placesA

Questions about Millsboro’s history

What year was Millsboro founded?

The Millsboro post office opened in 1824, 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 Wikimedia Commons (1) and Wikidata and Wikipedia for famous people. Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.