1 of St. Augustine Shores’ places is on the National Register
More historic than 27% of U.S. towns · #188 of 638 in Florida. What drives it
Its Register listing is the Henry S. O'Brien Estate. Most of St. Augustine Shores was built recently: 0.3% of its homes predate 1940 and the median home dates from 1990. Its Register listing is the Henry S. O'Brien Estate. Below: maps from 1937 on and the census since 1990.
On its age, its old homes and the National Register, St. Augustine Shores is more historic than 27% of U.S. towns, #188 of 638 in Florida. Its National Register listings hold the grade up; its share of homes from before 1940 pulls it down.
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HistoryA character grade: shown, never part of St. Augustine Shores’ overall grade.
Few Florida towns list much on the Register (a typical Florida town has 0.0 per 10,000 residents, the U.S. 2.4), so St. Augustine Shores’ 1.1 sits above most of its state (73% of Florida towns have fewer) while its 1 listings outnumber those of 51% of U.S. towns.
How sure. Graded on two of the three inputs, so a change in either one moves the letter more than it would with three. The pre-1940 share (±0.6 points) is firm at this size.
Founding year: our sources. Homes: Census ACS 2020–24. National Register: National Park Service, May 2026 list; each listing counted once (boundary changes and added documentation belong to their listing), and a historic district counts its contributing buildings. How TownRatings grades history →
What stands out about St. Augustine Shores’ past
Read from the archive, the National Register and the record. The page puts what stands out first.
Wikipedia doesn’t have a history of St. Augustine Shores yet. The photos, dates and memories neighbors add here are how it gets written.
St. Augustine Shores or Saint Augustine Shores is a census-designated place (CDP) in St. Johns County, Florida, United States. As of the 2020 census, the population was 8,706, up from 7,359 at the 2010 census. It is part of the Jacksonville, Florida Metropolitan Statistical Area.
Between the 2010 and 2020 censuses its population grew from 7,359 to 8,706 (+18%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
St. Augustine Shores, 1882 to 1947
Woven from the archive, old maps, post office records, the National Register and the people born here.
Every edition of the U.S. Geological Survey’s map of St. Augustine Shores. Tap a year, or press play to watch the town change.
1937Crescent Beach 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 St. Augustine Shores.
On the National Register
1 historic place in St. Augustine Shores
The country’s official list of buildings and places worth saving.
Lost post offices, old corners and places now gone
Another post office, Moultrie, opened and closed inside today’s town.
Hamlets and corners on the map
MoultrieSaint Augustine Shores
Gone or out of use
Fort Moultriemilitary
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
Questions about St. Augustine Shores’ history
How does St. Augustine Shores rank for history?
St. Augustine Shores is more historic than 27% of U.S. towns, #188 of 638 in Florida. The History grade combines the town’s founding era, the share of homes built before 1940 and its National Register listings. It’s a character grade, so it isn’t part of the overall grade. How it works.
What is on the National Register in St. Augustine Shores?
One place: the Henry S. O'Brien Estate (listed 2024).
How old are the homes in St. Augustine Shores?
0.3% of St. Augustine Shores’ homes were built before 1940 (Census estimate), against a typical 0.6% for a Florida town; the median home was built in 1990.
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).
From Wikimedia Commons (1), the National Register of Historic Places (1), 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.
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