Watseka dates to 1843, and 19% of its homes were built before 1940
More historic than 90% of U.S. towns · #80 of 768 in Illinois. What drives it
3 places in town are on the National Register, among them a historic district with 34 buildings. Below: 2 old photos and papers, maps from 1885 on, and the census since 1870.
Founding year: Wikidata. First post office: 1864.The full story ↓
History grade
What drives Watseka’s History grade
On its age, its old homes and the National Register, Watseka is more historic than 90% of U.S. towns, #80 of 768 in Illinois. All 3 inputs are above most U.S. towns; its National Register listings ranks highest and its share of homes from before 1940 lowest.
A
HistoryA character grade: shown, never part of Watseka’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 Watseka’s 75.3 sits above most of its state (92% of Illinois towns have fewer) while its 36 historic buildings outnumber those of 83% of U.S. towns.
How sure. Graded on any two of the three inputs instead, the letter would range from A− to A. The pre-1940 share is a Census survey estimate (±6.1 points). Two sources give 1843.
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 Watseka’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.
Every building
Watseka, building by building, 1885–1911
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.
Incorporated in 1865, the name "Watseka" derives from the Potawatomi name "Watch-e-kee", "Daughter of the Evening Star", the wife of early eastern Illinois settler Gurdon Saltonstall Hubbard.
The Old Iroquois County Courthouse was constructed in 1866, with two additions built in 1881 and 1927. In the early 1960s, an Iroquois County resident, Mrs. Katherine Clifton, bequeathed to the county in her will a large sum of money and a site upon which to build a new courthouse. It is the only courthouse in the United States built entirely with private funds.
In 1843, according to Wikidata. Watseka’s post office opened in 1864, and the census of 1870 counted 1,551 people here.
How does Watseka rank for history?
Watseka is more historic than 90% of U.S. towns, #80 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.
What is on the National Register in Watseka?
Three places: the Old Iroquois County Courthouse (listed 1975), the Watseka Union Depot (1999) and the Watseka Downtown Historic District (2026).
How old are the homes in Watseka?
19% of Watseka’s homes were built before 1940 (Census estimate, ±6.1 points), against a typical 11% for an Illinois town; the median home was built in 1963.
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 (6), the Library of Congress (1), Wikidata (2), the National Register of Historic Places (3), 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 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.
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