More historic than 11% of U.S. towns · #658 of 847 in California. What drives it
Most of McKinleyville was built recently: 4% of its homes predate 1940 and the median home dates from 1991. Below: 5 old photos and papers, maps from 1922 on, and the census since 1980.
From McKinleyville’s archive · credits on each photo
Quick answers
How McKinleyville began
When was McKinleyville founded?
1903
The McKinleyville post office opened in 1903, the earliest record of the town by name. Another post office, Dow's Prairie (1877), opened inside today’s town and later closed.
First census: 7,772 in 19802020 census: 16,262123 years
How historic is McKinleyville?
D
More historic than 11% of U.S. towns, on its age, its old homes and the National Register.
Founding year: the first McKinleyville post office (Blevins & Helbock, CC0).The full story ↓
History grade
What drives McKinleyville’s History grade
On its age, its old homes and the National Register, McKinleyville is more historic than 11% of U.S. towns, #658 of 847 in California. Its National Register listings hold the grade up; its age pulls it down.
D
HistoryA character grade: shown, never part of McKinleyville’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 McKinleyville’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 C−. The pre-1940 share (±2.5 points) is firm at this size. 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 McKinleyville’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Lost post offices, old corners and places now gone
McKinleyville had its own post office from 1903 to 1921. Another post office, Dow's Prairie, opened and closed inside today’s town.
Dow's Prairie
1877–1903
McKinleyville
1903–1921
18701950today
Hamlets and corners on the map
CalvilleClam BeachFisherOcean West Mobile Home Park
Gone or out of use
Naval Auxiliary Air Station ArcatamilitaryWashington Schoolschool
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
On the map
McKinleyville on the map, 1922 to 1972
Every edition of the U.S. Geological Survey’s map of McKinleyville. Tap a year, or press play to watch the town change.
1922Eureka 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 McKinleyville.
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 McKinleyville post office opened in 1903, the earliest record of the town by name (U.S. post office records).
How does McKinleyville rank for history?
McKinleyville is more historic than 11% of U.S. towns, #658 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 McKinleyville?
4% of McKinleyville’s homes were built before 1940 (Census estimate, ±2.5 points), against a typical 3.4% for a California town; the median home was built in 1991.
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 (8), Wikipedia, 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.