How Leland came to be
From Wikipedia’s history of Leland.
A post office called Leland has been in operation since 1857. The village was named for John Leland Adams, the Postmaster.
Text from Wikipedia, licensed CC BY-SA 4.0.
Each edition grades its towns against each other only.
Below: maps from 1951 on and the census since 1880.
The Leland post office opened in 1857, the earliest record of the town by name.
Read from the archive, the National Register and the record. The page puts what stands out first.
The first neighbors to add old photos shape how Leland’s history is told.
From Wikipedia’s history of Leland.
A post office called Leland has been in operation since 1857. The village was named for John Leland Adams, the Postmaster.
Text from Wikipedia, licensed CC BY-SA 4.0.
Passages that mention Leland, cut from the printed page as they were published.

Sketch of Settlers — Adams. 455 Quincy Railroad passes northeastwardly across the north side of the town, and Leland Station is a thriving village. The first settlement was in 1836, but the settlements were few, and scattered, till the advent of the railroad, atter which the town rapidly filled up.
Text read by machine from the scan; it may contain errors.
Leland was surveyed and the town plat reconied in 185%, and called Whitefield, and the station named Waverly, but Leland eventually became the only nume, tt was incorporated a village sn 1859.
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.
Woven from the archive, old maps, post office records, the National Register and the people born here.
On the mapFirst mapped by the U.S. Geological Survey
2020Who knows if there may havd been other crops advertis…
2020Wintertime sunset over the fields near Leland, Illino…
2020Wintertime sunset over the fields near Leland, Illino…
2020Wintertime farm silhouette at sunset near Leland, Ill…
2016Leland, Illinois
201420140119 03 BNSF Somonauk, Illinois
201420140119 01 BNSF Somonauk, Illinois
2010Dreaming of summerEvery edition of the U.S. Geological Survey’s map of Leland. Tap a year, or press play to watch the town change.

U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Leland.
Between 537 and 977 people in every census since 1880.
15 censuses, 1880–2020.
U.S. Census Bureau decennial counts, from the census table on Leland’s Wikipedia page.
The Leland post office opened in 1857, the earliest record of the town by name (U.S. post office records).
What the archives can’t tell you, neighbors can.
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). How TownRatings grades history →
From Wikimedia Commons (4), the Library of Congress (4), 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 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.
1951Earlville sheet · 1:62,500