Winfield Township’s post office opened in 1852, and 3 of its places are on the National Register
More historic than 48% of U.S. towns · #415 of 768 in Illinois. What drives it
Most of Winfield Township was built recently: 9% of its homes predate 1940 and the median home dates from 1979. Its Register listings are the Himmelfarb, Samuel and Eleanor House and Studio. Below: maps from 1908 on and the census since 1880.
The Winfield Township post office opened in 1852, the earliest record of the town by name. Wikidata gives 1921. Two smaller post offices, Big Woods (1848) and Warrenhurst (1892), opened inside today’s town and later closed.
First census: 164 in 18802020 census: 45,836174 years
How historic is Winfield Township?
B−
More historic than 48% of U.S. towns, on its age, its old homes and the National Register.
Founding year: the first Winfield Township post office (Blevins & Helbock, CC0). Wikidata: 1921.The full story ↓
History grade
What drives Winfield Township’s History grade
On its age, its old homes and the National Register, Winfield Township is more historic than 48% of U.S. towns, #415 of 768 in Illinois. Its National Register listings hold the grade up; its age pulls it down.
B−
HistoryA character grade: shown, never part of Winfield Township’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 Winfield Township’s 0.9 sits near the middle of its state (62% of Illinois towns have fewer) while its 4 historic buildings outnumber those of 68% 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 (±1.4 points) is firm at this size. The founding year is the first post office, not a stated founding date; Wikidata gives 1921.
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 Winfield Township’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Lost post offices, old corners, places now gone and burying grounds
Two other post offices opened and closed inside today’s town.
Big Woods
1848–1865
Warrenhurst
1892–1903
18401930today
Hamlets and corners on the map
Warrenhurst
Gone or out of use
Round Grove Schoolschool
3cemeteries and burying grounds inside Winfield Township
AssumptionBig WoodsPioneer
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
On the map
Winfield Township on the map, 1908 to 1993
Every edition of the U.S. Geological Survey’s map of Winfield Township. 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 Winfield Township.
Winfield originally tried to become an incorporated village in 1884 under the town name 'Frederick Park'. However, the motion was denied as the town did not have 300 residents as was required for incorporation. When the village was finally incorporated in 1921, the town had a population of 310 people.
The Winfield Township post office opened in 1852, the earliest record of the town by name (U.S. post office records). Wikidata gives 1921.
How does Winfield Township rank for history?
Winfield Township is more historic than 48% of U.S. towns, #415 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 Winfield Township?
3 listings: 1 building, among them the Himmelfarb, Samuel and Eleanor House and Studio (listed 2018, the first). 4 historic buildings in all.
How old are the homes in Winfield Township?
9% of Winfield Township’s homes were built before 1940 (Census estimate, ±1.4 points), against a typical 11% for an Illinois town; the median home was built in 1979.
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 (24), the National Register of Historic Places (1), Wikipedia, 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.