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History · Deer Grove

Deer Grove’s post office opened in 1872, and 63% of its homes were built before 1940

Below: maps from 1949 on and the census since 1940.

1872first post office
0on the National Register
63%homes built before 1940
Quick answers

How Deer Grove began

When was Deer Grove founded?

1872

The Deer Grove post office opened in 1872, the earliest record of the town by name.

First census: 98 in 19402020 census: 38154 years
Founding year: the first Deer Grove post office (Blevins & Helbock, CC0).The full story ↓

What stands out about Deer Grove’s past

Read from the archive, the National Register and the record. The page puts what stands out first.

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Start Deer Grove’s collection

The first neighbors to add old photos shape how Deer Grove’s history is told.

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
The story

How Deer Grove came to be

From Wikipedia’s history of Deer Grove.

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A man named William Renner and his family are believed to have been the first to settle in the area now known as Hahnaman Township, arriving from Pennsylvania in 1841. A post office was established in 1873. Many small schools served the area before they were all ultimately closed by the 1950s. The earliest of which, only known as the Advance School, was located at the intersection of IL-40 and Bell Rd.

Text from Wikipedia, licensed CC BY-SA 4.0.

From the old history books

What they wrote about Deer Grove in 1877

Passages that mention Deer Grove, cut from the printed page as they were published.

made as to whether strange horses and men had not passed along the route going southward. The first legally laid out road was the one commencing at the north line of the town, between sections 3 and 4, and running in a direct line to Deer Grove, known as the Sterling and Deer Grove road. This road …
History of Whiteside county, Illinois, from its first settlement to the present time1877 · page 235Read the page →
Read the text

made as to whether strange horses and men had not passed along the route going southward. The first legally laid out road was the one commencing at the north line of the town, between sections 3 and 4, and running in a direct line to Deer Grove, known as the Sterling and Deer Grove road. This road was laid out in 1856. The next legally laid out road commences also at the north line of the town, between sections 5 and 6, and runs south in a direct line to the southeast corner of section 19; thence west to the town line. This road was laid out in 1857. Other roads followed as the town became settled and

Text read by machine from the scan; it may contain errors.
made as to whether strange horses and men had not passed along the route going southward. The first legally laid out road was the one commencing at the north line of the town, between sections 3 and 4, and running in a direct line to Deer Grove, known as the Sterling and Deer Grove road. This road …
1877 history of whiteside county illinois1877 · page 235Read the page →
Read the text

made as to whether strange horses and men had not passed along the route going southward. The first legally laid out road was the one commencing at the north line of the town, between sections 3 and 4, and running in a direct line to Deer Grove, known as the Sterling and Deer Grove road. This road was laid out in 1856. The next legally laid out road commences also at the north line of the town, between sections 5 and 6, and runs south in a direct line. to the southeast corner of section 19; thence west to the town line. This road was laid out in 1857. Other roads followed as the town became settled and

Text read by machine from the scan; it may contain errors.
The first house, or rather cabin, was built of logs at Deer Grove, by William Renner, in 1841, and the few that were built previous to 1857, were of that material, or as near to it as could be had. In 1857 the first frame buildings were erected.
History of Whiteside county, Illinois, from its first settlement to the present time1877 · page 233Read the page →
Read the text

The first house, or rather cabin, was built of logs at Deer Grove, by William Renner, in 1841, and the few that were built previous to 1857, were of that material, or as near to it as could be had. In 1857 the first frame buildings were erected.

Text read by machine from the scan; it may contain errors.
The first house, or rather cabin, was built of logs at Deer Grove, by Wil liam Renner, in 1841, and the few that were built previous to 1857, were of that material, or as near to it as could be had. In 1857 the first frame buildings were erected. uf The first school house was built in 1857 in what …
1877 history of whiteside county illinois1877 · page 233Read the page →
Read the text

The first house, or rather cabin, was built of logs at Deer Grove, by Wil liam Renner, in 1841, and the few that were built previous to 1857, were of that material, or as near to it as could be had. In 1857 the first frame buildings were erected. uf The first school house was built in 1857 in what is known as Brakey's set- : tlement. It was sixteen feet square and seven feet high. Mr. Amos Reeves, the present Supervisor of the town, taught sehool there in the winter of 1857— '58, and was consequently the first school teacher in the town. He had an at-

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.

By decade

No old photos in the archives yet

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On the map

Deer Grove on the map, 1949 to 1982

Every edition of the U.S. Geological Survey’s map of Deer Grove. Tap a year, or press play to watch the town change.

Deer Grove on the 1949 USGS mapDeer Grove on the 1982 USGS map1949Walnut 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 Deer Grove.

People over time

Deer Grove, census by census

010019401960198020002020Peak: 98

Between 38 and 98 people in every census since 1940.

9 censuses, 1940–2020.

U.S. Census Bureau decennial counts, from the census table on Deer Grove’s Wikipedia page.

Questions about Deer Grove’s history

What year was Deer Grove founded?

The Deer Grove post office opened in 1872, the earliest record of the town by name (U.S. post office records).

Memory lane

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Sources

Where this page comes from

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 Wikipedia, 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.