Most of Pembroke Township was built recently: 4% of its homes predate 1940 and the median home dates from 1977. Below: maps from 1922 on and the census since 2000.
On its age, its old homes and the National Register, Pembroke Township is more historic than 21% of U.S. towns. Its age holds the grade up; its National Register listings pull it down.
C−
HistoryA character grade: shown, never part of Pembroke 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 Pembroke Township’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 still be C−. The pre-1940 share is a Census survey estimate (±4.4 points). Two sources give 1877.
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 Pembroke Township’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
On the map
Pembroke Township on the map, 1922 to 1973
Every edition of the U.S. Geological Survey’s map of Pembroke Township. Tap a year, or press play to watch the town change.
1922Momence 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 Pembroke Township.
The story so far
Pembroke Township, in brief
Wikipedia doesn’t have a history of Pembroke Township yet. The photos, dates and memories neighbors add here are how it gets written.
Pembroke Township is one of seventeen townships in Kankakee County, Illinois, USA. As of the 2020 census, its population was 1,843 and it contained 936 housing units. Pembroke Township was formed from parts of Momence township on February 17, 1877. From its beginning through today, Pembroke Township was a site of community for Black farmers.
Pembroke Township was established in 1877. Between the 2010 and 2020 censuses its population fell from 2,140 to 1,843 (-14%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
Pembroke Township, 1877 to 1922
Woven from the archive, old maps, post office records, the National Register and the people born here.
In 1877, according to Wikidata. Pembroke Township’s post office opened in 1878, and the census of 2000 counted 2,786 people here.
How does Pembroke Township rank for history?
Pembroke Township is more historic than 21% 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 Pembroke Township?
4% of Pembroke Township’s homes were built before 1940 (Census estimate, ±4.4 points), against a typical 11% for an Illinois town; the median home was built in 1977.
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 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.