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History · Cedarville

Cedarville’s post office opened in 1878, and 11% of its homes were built before 1940

Below: maps from 1892 on.

1878first post office
0on the National Register
11%homes built before 1940
Add an old photoShare a memory
Quick answers

How Cedarville began

When was Cedarville founded?

1878

The Cedarville post office opened in 1878, the earliest record of the town by name. Three smaller post offices, Horse Head (1819), Townshend (1887) and Baden (1893), opened inside today’s town and later closed.

2020 census: 639148 years
Founding year: the first Cedarville post office (Blevins & Helbock, CC0).

What stands out about Cedarville’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 Cedarville are in the public archives yet. The rest are in attics and albums.Lost villages3 post offices opened and closed inside today’s Cedarville, and 5 old place names are still on the map.On the map since 18926 editions of the USGS map, 1892 to 1985. Watch Cedarville change.
★ What stands out · Help out

Start Cedarville’s collection

The first neighbors to add old photos shape how Cedarville’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
Places that used to be

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

Cedarville had its own post office from 1878 to 1932. Three other post offices opened and closed inside today’s town.

Horse Head
1819–1893
Cedarville
1878–1932
Townshend
1887–1937
Baden
1893–1942
18101920today
Hamlets and corners on the map
AshboxBadenCedarville Mobile Home ParkHorseheadTownshend
Gone or out of use
Curtis FieldairportGrace Methodist Episcopal Churchchurch
1cemetery inside Cedarville
Cedarville Assembly of God Church

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

On the map

Cedarville on the map, 1892 to 1985

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

Cedarville on the 1892 USGS mapCedarville on the 1911 USGS mapCedarville on the 1944 USGS mapCedarville on the 1956 USGS mapCedarville on the 1971 USGS mapCedarville on the 1985 USGS map1892Brandywine 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 Cedarville.

The story so far

Cedarville, in brief

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

Its first post office opened in 1878. Between the 2010 and 2020 censuses its population fell from 717 to 639 (-11%).

Timeline

Cedarville, 1819 to 1937

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

  1. 19th century
  2. 1819Post officeThe Horse Head post office opens
  3. 1878Post officeThe Cedarville post office opens
  4. 1887Post officeThe Townshend post office opens
  5. 1892On the mapFirst mapped by the U.S. Geological Survey
  6. 1893Post officeThe Horse Head post office closes
  7. 20th century
  8. 1932Post officeThe Cedarville post office closes
  9. 1937Post officeThe Townshend post office closes
By decade

Cedarville, decade by decade

Today2 recent
2020-06-19 12 35 38 View north along Maryland State Route 381 (Aquasco Road) at Horsehead Road along the edge of Baden …20202020-06-19 12 35 38 View north along Maryland State R…2019-08-23 08 57 47 View south along U.S. Route 301 and Maryland State Route 5 (Robert Crain Highway) at the exit for M…20192019-08-23 08 57 47 View south along U.S. Route 301 a…
Stories next door

History across the town line

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

Brandywine3 historic placesBBaden1 historic placeB−Waldorf1 historic placeC−Croom6 historic placesB

Questions about Cedarville’s history

What year was Cedarville founded?

The Cedarville post office opened in 1878, 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 (2), 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.