Each edition grades its towns against each other only.
Among the newest of U.S. towns · #766 of 768 in Illinois. What drives it
Most of Lake Barrington was built recently: 0.2% of its homes predate 1940 and the median home dates from 1985. Below: maps from 1923 on and the census since 1960.
Lake Barrington first appears in the census in 1960. Two smaller post offices, Flint Creek (1839) and Flint Creek (1847), opened inside today’s town and later closed.
Among the newest of U.S. towns, on its age, its old homes and the National Register.
On its age, its old homes and the National Register, Lake Barrington is among the newest of U.S. towns, #766 of 768 in Illinois. Its National Register listings hold the grade up; its age pulls it down.
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 Lake Barrington’s 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.
Founding year: the first census (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 →
Read from the archive, the National Register and the record. The page puts what stands out first.
The first neighbors to add old photos shape how Lake Barrington’s history is told.
Two other post offices opened and closed inside today’s town.
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
Every edition of the U.S. Geological Survey’s map of Lake Barrington. Tap a year, or press play to watch the town change.
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Lake Barrington.
Wikipedia doesn’t have a history of Lake Barrington yet. The photos, dates and memories neighbors add here are how it gets written.
Lake Barrington is a village in Lake County, Illinois, United States. Per the 2020 census, the population was 5,100.
Its first post office opened in 1960. Between the 2010 and 2020 censuses its population grew from 4,973 to 5,100 (+3%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Woven from the archive, old maps, post office records, the National Register and the people born here.
On the mapFirst mapped by the U.S. Geological Survey
Born hereCole Kmet is born hereWeddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
Grew from 172 people in 1960 to 5,100 in 2020, more than tenfold.
7 censuses, 1960–2020.
U.S. Census Bureau decennial counts, from the census table on Lake Barrington’s Wikipedia page.
Each neighbor’s History grade, on the same three inputs.
The Lake Barrington post office opened in 1960, the earliest record of the town by name (U.S. post office records).
Lake Barrington is among the newest of U.S. towns, #766 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.
0.2% of Lake Barrington’s homes were built before 1940 (Census estimate), against a typical 11% for an Illinois town; the median home was built in 1985.
What the archives can’t tell you, neighbors can.
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 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) 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.
