More historic than 20% of U.S. towns · #475 of 847 in California. What drives it
Most of Del Aire was built recently: 5% of its homes predate 1940 and the median home dates from 1955. Below: maps from 1896 on and the census since 1970.
On its age, its old homes and the National Register, Del Aire is more historic than 20% of U.S. towns, #475 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 Del Aire’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 Del Aire’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 two of the three inputs, so a change in either one moves the letter more than it would with three. The pre-1940 share (±2.6 points) is firm at this size.
Founding year: our sources. 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 Del Aire’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Every edition of the U.S. Geological Survey’s map of Del Aire. Tap a year, or press play to watch the town change.
1896Redondo 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 Del Aire.
The story so far
Del Aire, in brief
Wikipedia doesn’t have a history of Del Aire yet. The photos, dates and memories neighbors add here are how it gets written.
Del Aire (; ; Spanish: [del ˈajɾe]; Spanish for "Of the Air") is an unincorporated community and census designated place (CDP) in the inland South Bay, Los Angeles County, California, United States, between El Segundo and Hawthorne. The population was 10,338 at the 2020 census, up from 10,001 at the 2010 census. Del Aire is a small unincorporated residential neighborhood next to the Interstate 405/Interstate 105 interchange. It consists of two roughly rectangular shaped parts: one to the northwest bounded by I-105 and the City of Los Angeles on the north, El Segundo on the west, Hawthorne on the east, and El Segundo Blvd. on the south, and one to the southeast bounded by El Segundo Blvd. on…
Between the 2010 and 2020 censuses its population grew from 10,001 to 10,338 (+3%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Del Aire is more historic than 20% of U.S. towns, #475 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 Del Aire?
5% of Del Aire’s homes were built before 1940 (Census estimate, ±2.6 points), against a typical 3.4% for a California town; the median home was built in 1955.
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), U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia) 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.