The Fairfax post office opened in 1910, the earliest record of the town by name. Another post office, Manor (1915), opened inside today’s town and later closed.
First census: 2,198 in 19402020 census: 7,605116 years
How historic is Fairfax?
C+
More historic than 39% of U.S. towns, on its age, its old homes and the National Register.
Founding year: the first Fairfax post office (Blevins & Helbock, CC0).The full story ↓
History grade
What drives Fairfax’s History grade
On its age, its old homes and the National Register, Fairfax is more historic than 39% of U.S. towns, #237 of 847 in California. Its share of homes from before 1940 holds the grade up; its age pulls it down.
C+
HistoryA character grade: shown, never part of Fairfax’s overall grade.
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 Fairfax’s 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.
How sure. Graded on any two of the three inputs instead, the letter would range from D to B+. The pre-1940 share is a Census survey estimate (±6.9 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 Fairfax’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
The Coast Miwok Native Americans occupied stretches along local creeks, spring and seep areas; moreover, prehistoric habitations were usually chosen near permanent and seasonal drainages, typically along flat ridges and terraces.
Passages that mention Fairfax, cut from the printed page as they were published.
History of Marin County, California ... also an historical sketch of the state of California1880 · page 378Read the page →
Read the text
They lie contiguous to the line of the North Pacific Coast Railroad and the county road, east, and west from San Rafael runs nearly parallel to the general course of the outcroppings, which can be plainly seen to extend from near Fairfax station, on the above mentioned road, for about four miles, in a south eighty degrees west course. The foot wall of syenite as well as the hanging wall, can be plainly seen at various points over the four miles, and show a very wide and true fissure, these walls being from two hundred and fifty to two hundred and seventy-
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.
Timeline
Fairfax, 1887 to 1996
Woven from the archive, old maps, post office records, the National Register and the people born here.
Nothing in the archives for these yearsWeddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
The Fairfax post office opened in 1910, the earliest record of the town by name (U.S. post office records).
How does Fairfax rank for history?
Fairfax is more historic than 39% of U.S. towns, #237 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.
How old are the homes in Fairfax?
37% of Fairfax’s homes were built before 1940 (Census estimate, ±6.9 points), against a typical 3.4% for a California town; the median home was built in 1953.
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 Wikimedia Commons (18), 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), the USGS Geographic Names Information System, Sanborn fire insurance maps (Library of Congress) 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.