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History · Monroe

Monroe’s post office opened in 1858, and 35% of its homes were built before 1940

Below: maps from 1896 on and the census since 1900.

1858first post office
0on the National Register
35%homes built before 1940
Photo: Ammodramus · Public domain
Quick answers

How Monroe began, and where its name came from

When was Monroe founded?

1858

The Monroe post office opened in 1858, the earliest record of the town by name.

First census: 214 in 19002020 census: 296168 years

How did Monroe get its name?

Monroe was named for President James Monroe.

Founding year: the first Monroe post office (Blevins & Helbock, CC0). Name: Wikipedia, licensed CC BY-SA 4.0.The full story ↓

What stands out about Monroe’s past

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

★ What stands out · Help out

Start Monroe’s collection

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

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

Monroe on the map, 1896 to 1985

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

Monroe on the 1896 USGS mapMonroe on the 1958 USGS mapMonroe on the 1985 USGS map1896Stromsburg sheet · 1:125,000

U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Monroe.

The story

How Monroe came to be

From Wikipedia’s history of Monroe.

Read it all →

The first settlement at Monroe was made in the 1850s. Monroe was not platted until 1889 when the railroad extended a siding to that point. It was named for President James Monroe.

The Monroe Congregational Church and New Hope Cemetery, located in the nearby community of O'Kay, is listed on the National Register of Historic Places.

Text from Wikipedia, licensed CC BY-SA 4.0.

By decade

Monroe, decade by decade

Every building

Monroe, building by building, 1912

Fire insurance maps drew every building, what it was made of and what it was used for, so insurers could price the risk of fire. Pick a sheet.

Monroe fire insurance map, 1912, sheet 11912Sheet 1 of 1
Sheets
BrickWoodStone

Sanborn Map Company, via the Library of Congress. Editions published in 1930 or earlier, which are in the public domain.

People over time

Monroe, census by census

01002003001900192019401960198020002020Peak: 315

Between 214 and 315 people in every census since 1900.

13 censuses, 1900–2020.

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

Questions about Monroe’s history

What year was Monroe founded?

The Monroe post office opened in 1858, the earliest record of the town by name (U.S. post office records).

Memory lane

What the archives can’t tell you, neighbors can.

Town Square →
Start a conversation
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 Wikimedia Commons (2), 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 Sanborn fire insurance maps (Library of Congress). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.