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History · Jacksonville

Jacksonville’s post office opened in 1820, and 41% of its homes were built before 1940

1 place in town is on the National Register. Below: maps from 1942 on and old-book passages.

1820first post office
1on the National Register
41%homes built before 1940
Quick answers

How Jacksonville began

When was Jacksonville founded?

1820

The Jacksonville post office opened in 1820, the earliest record of the town by name.

2020 census: 516206 years
Founding year: the first Jacksonville post office (Blevins & Helbock, CC0).

What stands out about Jacksonville’s past

Read from the archive, the National Register and the record. The page puts what stands out first.

★ What stands out · Help out

Start Jacksonville’s collection

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

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
The story so far

Jacksonville, in brief

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

Jacksonville is a hamlet (and census-designated place) in Tompkins County, New York, United States. As of the 2020 census, Jacksonville had a population of 516. The community is located within the Town of Ulysses, along New York State Route 96. It is 3.5 miles (5.6 km) southeast of Trumansburg. Jacksonville has a post office with ZIP code 14854, which opened on February 25, 1820.

Its first post office opened in 1820.

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

From the old history books

What they wrote about Jacksonville in 1894

Passages that mention Jacksonville, cut from the printed page as they were published.

Jacksonville. — This hamlet was early known as "Harlow's Corners," and is situated on the Ithaca and Geneva turnpike, about seven miles from Ithaca and near the center of the town of Ulysses. The name of the place was changed 'after the battle of New Orleans, in 1815, in honor of " Old Hickory." Th…
Landmarks of Tompkins county, New York1894 · page 244Read the page →
Read the text

Jacksonville. — This hamlet was early known as "Harlow's Corners," and is situated on the Ithaca and Geneva turnpike, about seven miles from Ithaca and near the center of the town of Ulysses. The name of the place was changed 'after the battle of New Orleans, in 1815, in honor of " Old Hickory." The first post-office here was established in 1832. The present postmaster is E. C. Almy, who also has a store.

Text read by machine from the scan; it may contain errors.
Previous to 1803 there was a block school house at Jacksonville, and Elisha Nye, of Aurora, was teacher. The following is of interest in this connection : This is to certify that there is due to the town of Ulysses the sum of five pounds eight shillings and fourpence three farthings out of the mone…
Landmarks of Tompkins county, New York1894 · page 215Read the page →
Read the text

Previous to 1803 there was a block school house at Jacksonville, and Elisha Nye, of Aurora, was teacher. The following is of interest in this connection : This is to certify that there is due to the town of Ulysses the sum of five pounds eight shillings and fourpence three farthings out of the money granted to the county of Onondaga by the Supervisors of the State of New York, for the use of schools for the year 1795, as witness our hands and seals this 31st of May, 1796.

Text read by machine from the scan; it may contain errors.

Scans and text from the Internet Archive. Books published in 1930 or earlier, which are in the public domain.

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.

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On the map

Jacksonville on the map, 1942 to 1971

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

Jacksonville on the 1942 USGS mapJacksonville on the 1971 USGS map1942Ludlowville 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 Jacksonville.

On the National Register

1 historic place in Jacksonville

The country’s official list of buildings and places worth saving.

place listed
1
National Historic Landmarks
0
none yet
historic buildings protected
1
each building in a district counts

National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.

Famous people

Famous people close to Jacksonville

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

See all →

Questions about Jacksonville’s history

What year was Jacksonville founded?

The Jacksonville post office opened in 1820, 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 and old county and town histories (Internet Archive). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.