More historic than 2% of U.S. towns · #763 of 768 in Illinois. What drives it
Most of Glendale Heights was built recently: 0.5% of its homes predate 1940 and the median home dates from 1978. Below: maps from 1908 on and the census since 1960.
On its age, its old homes and the National Register, Glendale Heights is more historic than 2% of U.S. towns, #763 of 768 in Illinois. Its National Register listings hold the grade up; its age pulls it down.
D−
HistoryA character grade: shown, never part of Glendale Heights’ overall grade.
Few Illinois towns list much on the Register (a typical Illinois town has 0.5 per 10,000 residents, the U.S. 2.4), so Glendale Heights’ 0.0 sits below most of its state (28% of Illinois towns have fewer) while its 0 listings outnumber those of 23% of U.S. towns.
NoteThe founding year comes from Wikidata alone; no second source gives 1959.
How sure. Graded on any two of the three inputs instead, the letter would range from D− to D. The pre-1940 share (±0.4 points) is firm at this size.
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 Glendale Heights’ 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 Glendale Heights. Tap a year, or press play to watch the town change.
1908Wheaton 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 Glendale Heights.
Glendale Heights was a small farming area served by the Glen Ellyn post office up until the 1950s, with a population of just 104 in 1959. Midland Enterprises, run by Charles and Harold Reskin, started building houses in Glendale Heights in 1958. The Reskins bought two farms on Glen Ellyn Road north of North Avenue. Houses were first built on Glen Ellyn Road and Larry Lane near Fullerton Avenue. On June 16, 1959, a petition was filed and on July 13, the village became incorporated. The first election was held later that summer on August 2.
In 1959, according to Wikidata. the census of 1960 counted 173 people here.
How does Glendale Heights rank for history?
Glendale Heights is more historic than 2% of U.S. towns, #763 of 768 in Illinois. 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 Glendale Heights?
0.5% of Glendale Heights’ homes were built before 1940 (Census estimate), against a typical 11% for an Illinois town; the median home was built in 1978.
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 (1), Wikipedia, Wikidata and Wikipedia for famous people, 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.