How Clarksville came to be
From Wikipedia’s history of Clarksville.
Clarksville was laid out in 1816. The village was named after Sarah Clark Hadley, the wife of an early settler.
Text from Wikipedia, licensed CC BY-SA 4.0.
Each edition grades its towns against each other only.
Below: 3 old photos and papers, maps from 1907 on, and the census since 1870.
Clarksville dates its founding to 1816 (Wikidata and Wikipedia’s history agree). The census first counted it in 1870.
Read from the archive, the National Register and the record. The page puts what stands out first.
The first neighbors to add old photos shape how Clarksville’s history is told.
Every edition of the U.S. Geological Survey’s map of Clarksville. Tap a year, or press play to watch the town change.

U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Clarksville.
Woven from the archive, old maps, post office records, the National Register and the people born here.
On the mapFirst mapped by the U.S. Geological SurveyFrom Wikipedia’s history of Clarksville.
Clarksville was laid out in 1816. The village was named after Sarah Clark Hadley, the wife of an early settler.
Text from Wikipedia, licensed CC BY-SA 4.0.
Passages that mention Clarksville, cut from the printed page as they were published.

Clarksville is situated in the western part of Vernon township, on the Cincinnati & Muskingum Valley railroad. It was laid out April 27, 1816, by William Hadley, proprietor. The surveying was done by Peyton West. The town, as originally laid out, consisted of forty-four lots, of the usual size, four poles front and eight poles back.
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.
No then-and-now pairs yet. Take a photo from the same spot as an old one and they appear here side by side.

Find the spot, match the angle, and add your photo. It becomes the first then-and-now pair on Clarksville’s page.
Retake this view · +15Between 339 and 583 people in every census since 1870.
16 censuses, 1870–2020.
U.S. Census Bureau decennial counts, from the census table on Clarksville’s Wikipedia page.
Clarksville’s post office has been open since 1819.
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
In 1816, according to Wikidata and Wikipedia’s history of the town. Clarksville’s post office opened in 1819, and the census of 1870 counted 389 people here.
What the archives can’t tell you, neighbors can.
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 (9), the Library of Congress (1), Wikipedia, U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia), the US Post Offices dataset (Blevins & Helbock), the USGS Geographic Names Information System 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.

1907Blanchester sheet · 1:62,500