More historic than 7% of U.S. towns · #255 of 285 in Washington. What drives it
Most of Lochsloy was built recently: 2% of its homes predate 1940 and the median home dates from 1994. Below: maps from 1941 on and the census since 2000.
The Lochsloy post office opened in 1901, the earliest record of the town by name. Another post office, Lochloy (1915), opened inside today’s town and later closed.
First census: 2,135 in 20002020 census: 2,806125 years
How historic is Lochsloy?
D
More historic than 7% of U.S. towns, on its age, its old homes and the National Register.
Founding year: the first Lochsloy post office (Blevins & Helbock, CC0).
History grade
What drives Lochsloy’s History grade
On its age, its old homes and the National Register, Lochsloy is more historic than 7% of U.S. towns, #255 of 285 in Washington. Its National Register listings hold the grade up; its age pulls it down.
D
HistoryA character grade: shown, never part of Lochsloy’s overall grade.
Few Washington towns list much on the Register (a typical Washington town has 0.1 per 10,000 residents, the U.S. 2.4), so Lochsloy’s 0.0 sits below most of its state (27% of Washington 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 still be D. The pre-1940 share (±1.8 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 Lochsloy’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Wikipedia doesn’t have a history of Lochsloy yet. The photos, dates and memories neighbors add here are how it gets written.
Lochsloy is a census-designated place (CDP) in Snohomish County, Washington, United States. The population was 2,806 at the 2020 census, up from 2,533 at the 2010 census.
Its first post office opened in 1901. Between the 2010 and 2020 censuses its population grew from 2,533 to 2,806 (+11%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
Lochsloy, 1901 to 1941
Woven from the archive, old maps, post office records, the National Register and the people born here.
The Lochsloy post office opened in 1901, the earliest record of the town by name (U.S. post office records).
How does Lochsloy rank for history?
Lochsloy is more historic than 7% of U.S. towns, #255 of 285 in Washington. 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 Lochsloy?
2% of Lochsloy’s homes were built before 1940 (Census estimate, ±1.8 points), against a typical 4.3% for a Washington town; the median home was built in 1994.
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 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.