More historic than 28% of U.S. towns · #360 of 847 in California. What drives it
Most of El Monte was built recently: 9% of its homes predate 1940 and the median home dates from 1965. Below: 18 old photos and papers, maps from 1896 on, and the census since 1920.
Founding year: Wikidata. First post office: 1853.The full story ↓
History grade
What drives El Monte’s History grade
On its age, its old homes and the National Register, El Monte is more historic than 28% of U.S. towns, #360 of 847 in California. Its share of homes from before 1940 holds the grade up; its National Register listings pull it down.
C
HistoryA character grade: shown, never part of El Monte’s overall grade.
Among the 400 U.S. cities of 100,000 or more, El Monte ranks #318 on History.
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 El Monte’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 C− to C. The pre-1940 share (±1.2 points) is firm at this size. Two sources give 1852.
Founding year: Wikidata (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 El Monte’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
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 area, beside the San Gabriel River, is part of the homeland of the Tongva people as it has been for thousands of years. The Spanish Portolá expedition of missionaries and soldiers passed through the area in 1769–1770. Mission San Gabriel Arcángel was the center of colonial activities in the area. The site was within the Mexican land grant Rancho La Puente.
The Old Spanish Trail trade route was first established by Antonio Armijo in 1829. It passed through El Monte to its terminus at the Mission San Gabriel via what is now Valley Boulevard. The trade was woolen and other products from New Mexico for California horses and mules.
Passages that mention El Monte, cut from the printed page as they were published.
An illustrated history of Los Angeles County, California. Containing a history of Los Angeles County from the earliest period of its occupancy to the present time, together with glimpses of its prospective future ... and biographical mention of many of it1889Read the page →
Read the text
already been wonderful growth. Going eastward from Los Angeles over this road, the traveler soon reaches Santa Anita, the first station in El Monte Township. This is the nearest station to the village of Sierra Madre, and it is also the nearest to the celebrated Santa Anita Ranch, the home of E. J. Baldwin, better known as '•Lucky" Baldwin. Here, at
Text read by machine from the scan; it may contain errors.
An illustrated history of Los Angeles County, California. Containing a history of Los Angeles County from the earliest period of its occupancy to the present time, together with glimpses of its prospective future ... and biographical mention of many of it1889Read the page →
Read the text
Angeles, and William E., the subject of this sketch. In 1855 Mr. Parker, Sr., moved his family to Los Angeles County, and located about one mile south of El Monte, and there engaged in farming until 1875, when he took up his residence in the Green Meadow District, about six miles from Los Angeles, and remained there until his death, which occurred in March, 1889.
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
El Monte, 1852 to 1942
Woven from the archive, old maps, post office records, the National Register and the people born here.
Fire insurance maps drew every building, what it was made of and what it was used for, so insurers could price the risk of fire. Pick a year, then a sheet.
In 1852, according to Wikidata. El Monte’s post office opened in 1853, and the census of 1920 counted 1,283 people here.
How does El Monte rank for history?
El Monte is more historic than 28% of U.S. towns, #360 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 El Monte?
9% of El Monte’s homes were built before 1940 (Census estimate, ±1.2 points), against a typical 3.4% for a California town; the median home was built in 1965.
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 (2), the Library of Congress (16), 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.