More historic than 13% of U.S. towns · #146 of 187 in Alabama. What drives it
Most of Mount Olive was built recently: 6% of its homes predate 1940 and the median home dates from 1975. Below: maps from 1904 on and the census since 2000.
Founding year: the first Mount Olive post office (Blevins & Helbock, CC0).
History grade
What drives Mount Olive’s History grade
On its age, its old homes and the National Register, Mount Olive is more historic than 13% of U.S. towns, #146 of 187 in Alabama. Its share of homes from before 1940 holds the grade up; its age pulls it down.
D
HistoryA character grade: shown, never part of Mount Olive’s overall grade.
Alabama towns list about as much on the Register as the country (a typical Alabama town has 2.7 per 10,000 residents, the U.S. 2.4), so Mount Olive’s 0.0 sits below most of its state (26% of Alabama towns have fewer) while its 0 listings outnumber those of 23% of U.S. towns.
How sure. Graded on any two of the three inputs instead, the letter would range from D to C−. The pre-1940 share is a Census survey estimate (±4.4 points). The founding year is the first post office, not a stated founding date.
Founding year: the first post office (other dates in Quick answers). 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 Mount Olive’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Every edition of the U.S. Geological Survey’s map of Mount Olive. Tap a year, or press play to watch the town change.
1904Birmingham Coal District sheet · 1:62,500
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Mount Olive.
The story so far
Mount Olive, in brief
Wikipedia doesn’t have a history of Mount Olive yet. The photos, dates and memories neighbors add here are how it gets written.
Mount Olive, also spelled Mt. Olive is an unincorporated community and a census-designated place (CDP) in Jefferson County, Alabama. Its location is in the suburbs of Birmingham. As of the 2010 census, the population of the community is 4,079. Mount Olive is bordered on the south and the east by the city of Gardendale, and in fact, some areas that had previously been in Mount Olive have been annexed into Gardendale over the years. Running along part of the border between Mt. Olive and Gardendale is the major expressway, Interstate 65. Eventually, part of Birmingham's Northern Beltline will cut through northwestern sections of Mt. Olive. Mt. Olive has its own elementary school, and was forme…
Its first post office opened in 1937. Between the 2010 and 2020 censuses its population grew from 4,079 to 4,427 (+9%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
Mount Olive, 1904 to 1937
Woven from the archive, old maps, post office records, the National Register and the people born here.
The Mount Olive post office opened in 1937, the earliest record of the town by name (U.S. post office records).
How does Mount Olive rank for history?
Mount Olive is more historic than 13% of U.S. towns, #146 of 187 in Alabama. 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.
How old are the homes in Mount Olive?
6% of Mount Olive’s homes were built before 1940 (Census estimate, ±4.4 points), against a typical 3.2% for an Alabama town; the median home was built in 1975.
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 Wikidata and Wikipedia for famous people, 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.
