Lost a third of its people between 1900 and 1920, then more than doubled.
7 censuses, 1890–2020.
U.S. Census Bureau decennial counts, from the census table on Rock Mills’ Wikipedia page.
On the map
Rock Mills on the map, 1899 to 1983
Every edition of the U.S. Geological Survey’s map of Rock Mills. Tap a year, or press play to watch the town change.
1899Wedowee sheet · 1:125,000
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Rock Mills.
The story so far
Rock Mills, in brief
Wikipedia doesn’t have a history of Rock Mills yet. The photos, dates and memories neighbors add here are how it gets written.
Rock Mills is a census-designated place (CDP) in Randolph County, Alabama, United States. As of the 2020 census, Rock Mills had a population of 603. According to the U.S. Census, from 1890 until the 1920s, Rock Mills was an incorporated community. It was later designated a CDP beginning in 2000.
Its first post office opened in 1847. Its population held steady between the last two censuses: 600 in 2010, 603 in 2020.
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
Rock Mills, 1847 to 2000
Woven from the archive, old maps, post office records, the National Register and the people born here.
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 Wikidata (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.