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History · Mount Croghan

Mount Croghan’s post office opened in 1828, and 33% of its homes were built before 1940

Below: maps from 1970 on and the census since 1920.

1828first post office
0on the National Register
33%homes built before 1940
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Quick answers

How Mount Croghan began

When was Mount Croghan founded?

1828

The Mount Croghan post office opened in 1828, the earliest record of the town by name.

First census: 232 in 19202020 census: 135198 years
Founding year: the first Mount Croghan post office (Blevins & Helbock, CC0).

What stands out about Mount Croghan’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 Mount Croghan are in the public archives yet. The rest are in attics and albums.Deep rootsA post office since 1828: 198 years of Mount Croghan.Old housesHalf of Mount Croghan’s homes were built before 1959.
★ What stands out · Help out

Start Mount Croghan’s collection

The first neighbors to add old photos shape how Mount Croghan’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

Mount Croghan, in brief

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

Mount Croghan is a town in Chesterfield County, South Carolina, United States. As of the 2020 census, Mount Croghan had a population of 135. It is well known for the Mt Croghan Flea market.

Its first post office opened in 1828. Between the 2010 and 2020 censuses its population fell from 195 to 135 (-31%).

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

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

Mount Croghan on the map, 1970 to 1986

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

Mount Croghan on the 1970 USGS mapMount Croghan on the 1986 USGS map1970Mt Croghan 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 Mount Croghan.

People over time

Mount Croghan, census by census

0100200192019401960198020002020Peak: 232

Between 123 and 232 people in every census since 1920.

11 censuses, 1920–2020.

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

Famous people

Famous people close to Mount Croghan

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

See all →
Dizzy GillespieAmerican jazz trumpeter · b. 1917
Jesse HelmsAmerican politician · b. 1921
Randy TravisAmerican country singer · b. 1959
Christine DardenAfrican-American mathematician, aerospace engin… · b. 1942
David ThorntonAmerican actor · b. 1953
B
Blind Boy FullerAmerican blues guitarist and singer · b. 1907

Questions about Mount Croghan’s history

What year was Mount Croghan founded?

The Mount Croghan post office opened in 1828, 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, 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.