Half of Gardner Township’s homes were built after 1979
More historic than 22% of U.S. towns · #615 of 768 in Illinois. What drives it
Most of Gardner Township was built recently: 7% of its homes predate 1940 and the median home dates from 1979. Below: maps from 1909 on and old-book passages.
On its age, its old homes and the National Register, Gardner Township is more historic than 22% of U.S. towns, #615 of 768 in Illinois. Its share of homes from before 1940 holds the grade up; its National Register listings pull it down.
C−
HistoryA character grade: shown, never part of Gardner 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 Gardner 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 two of the three inputs, so a change in either one moves the letter more than it would with three. The pre-1940 share is a Census survey estimate (±3.2 points).
Founding year: our sources. 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 Gardner Township’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Every edition of the U.S. Geological Survey’s map of Gardner Township. Tap a year, or press play to watch the town change.
1909Tallula 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 Gardner Township.
The story so far
Gardner Township, in brief
Wikipedia doesn’t have a history of Gardner Township yet. The photos, dates and memories neighbors add here are how it gets written.
Gardner Township is located in Sangamon County, Illinois. As of the 2010 census, its population was 4,245 and it contained 1,732 housing units. The township contains the unincorporated communities of Bradfordton and Salisbury. The township annexed the western half of Salisbury Township in 1989, thereby taking in the unincorporated village of Salisbury and increasing in size.
Between the 2010 and 2020 censuses its population grew from 4,245 to 4,637 (+9%).
Intro from Wikipedia. Population: U.S. Census Bureau.
From the old history books
What they wrote about Gardner Township in 1912
Passages that mention Gardner Township, cut from the printed page as they were published.
Historical Encyclopedia of Illinois and history of Sangamon County1912 · page 1622Read the page →
Read the text
James Perry Sims attended the country schools in Gardner Township and the Indiana Normal School at Valparaiso, Ind. He was occupied on the home farm until he was twentytwo years of age, then turned his attention to teaching school, and has been identified with educational interests ever since. His beginning was made in Gardner Township near Farming-
Text read by machine from the scan; it may contain errors.
Scans and text from the Internet Archive. Books published in 1930 or earlier, which are in the public domain.
Timeline
Gardner Township, 1839 to 1931
Woven from the archive, old maps, post office records, the National Register and the people born here.
Gardner Township is more historic than 22% of U.S. towns, #615 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.
How old are the homes in Gardner Township?
7% of Gardner Township’s homes were built before 1940 (Census estimate, ±3.2 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 (3), the Library of Congress (12), U.S. Geological Survey historical maps, the US Post Offices dataset (Blevins & Helbock), the USGS Geographic Names Information System and old county and town histories (Internet Archive). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.