Founding year: the first Ladd post office (Blevins & Helbock, CC0).The full story ↓
History grade
What drives Ladd’s History grade
On its age, its old homes and the National Register, Ladd is more historic than 46% of U.S. towns. Its share of homes from before 1940 holds the grade up; its National Register listings pull it down.
B−
HistoryA character grade: shown, never part of Ladd’s 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 Ladd’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.
How sure. Graded on any two of the three inputs instead, the letter would range from C− to B. The pre-1940 share is a Census survey estimate (±8.1 points). 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 Ladd’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
The settlement was originally named Osgood after the manager of the Whitebreast Fuel Company. The Whitebreast Fuel Company, based in Ottumwa, Iowa was the major coal supplier for the Chicago, Burlington, and Quincy Railroad. They set up the town in 1888. Ladd was incorporated on June 7, 1890, and was founded by George D. Ladd, a resident of Peru, Illinois. Ladd was originally named Laddville. The Ladd mine went bankrupt in 1901 and was purchased by the Illinois Third Vein Coal Company, owned by Samuel Dalzell of Spring Valley. At its height, the mine employed over 700 men and took an average of 1200 tons of coal a day from the ground. As a coal mining town, it is ethnically diverse with immigrants from Italy, Ireland, and Poland taking jobs at the mine. The mine closed in 1924.
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.
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.
The Ladd post office opened in 1888, the earliest record of the town by name (U.S. post office records).
How does Ladd rank for history?
Ladd is more historic than 46% of U.S. towns. 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 Ladd?
26% of Ladd’s homes were built before 1940 (Census estimate, ±8.1 points), against a typical 11% for an Illinois town; the median home was built in 1956.
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 (5), Wikipedia, 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 and Sanborn fire insurance maps (Library of Congress). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.
1973
1973
2009
2006
