St. Marks’ post office opened in 1827, and 2 of its places are on the National Register
Most of St. Marks was built recently: 0.6% of its homes predate 1940 and the median home dates from 2003. Most of St. Marks was built recently: 0.6% of its homes predate 1940 and the median home dates from 2003.
How St. Marks began
When was St. Marks founded?
The St. Marks post office opened in 1827, the earliest record of the town by name.
2 historic places in St. Marks
The country’s official list of buildings and places worth saving. One is a National Historic Landmark, the highest tier.
★ Landmark
National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.
Old corners
Old hamlets and crossroads still carry their names on the map.
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
Questions about St. Marks’ history
What year was St. Marks founded?
The St. Marks post office opened in 1827, the earliest record of the town by name (U.S. post office records).
What is on the National Register in St. Marks?
Two places: the Fort San Marcos de Apalache (listed 1966) and the Bo Lynn's Grocery (2017).
Memory lane
What the archives can’t tell you, neighbors can.
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 the National Register of Historic Places (2), Wikidata and Wikipedia for famous people, 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.