Each edition grades its towns against each other only.
More historic than 42% of U.S. towns · #204 of 847 in California. What drives it
Below: maps from 1917 on and the census since 1990.
The Aromas post office opened in 1894, the earliest record of the town by name.
More historic than 42% of U.S. towns, on its age, its old homes and the National Register.
On its age, its old homes and the National Register, Aromas is more historic than 42% of U.S. towns, #204 of 847 in California. Its share of homes from before 1940 holds the grade up; its National Register listings pull it down.
Few California towns list much on the Register (a typical California town has 0.0 per 10,000 residents, the U.S. 2.4), so Aromas’ 0.0 sits below most of its state (31% of California towns have fewer) while its 0 listings outnumber those of 23% of U.S. towns.
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 →
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 Aromas’s history is told.
Every edition of the U.S. Geological Survey’s map of Aromas. 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 Aromas.
From Wikipedia’s history of Aromas.
The settlement was originally known as "Sand Cut", named from the Southern Pacific Railroad tunnel constructed nearby in 1871. The settlement was renamed Aromas, after Rancho Las Aromitas y Agua Caliente, around 1895.
Text from Wikipedia, licensed CC BY-SA 4.0.
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 SurveyWeddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
Between 2,275 and 2,797 people in every census since 1990.
4 censuses, 1990–2020.
U.S. Census Bureau decennial counts, from the census table on Aromas’ Wikipedia page.
Each neighbor’s History grade, on the same three inputs.
The Aromas post office opened in 1894, the earliest record of the town by name (U.S. post office records).
Aromas is more historic than 42% of U.S. towns, #204 of 847 in California. 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.
20% of Aromas’ homes were built before 1940 (Census estimate, ±16.8 points), against a typical 3.4% for a California town; the median home was built in 1975.
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).
From Wikipedia, 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.
