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Blairsburg iowaPhoto: Billwhittaker (Uploads) · CC BY-SA 3.0
–Not graded
History · Blairsburg

Blairsburg’s post office opened in 1867, and 36% of its homes were built before 1940

Its Register listing is the Oakland, William, Round Barn. Below: maps from 1978 on and the census since 1880.

1867first post office
1on the National Register
36%homes built before 1940
Quick answers

How Blairsburg began

When was Blairsburg founded?

1867

The Blairsburg post office opened in 1867, the earliest record of the town by name.

First census: 44 in 18802020 census: 176159 years
Founding year: the first Blairsburg post office (Blevins & Helbock, CC0).

What stands out about Blairsburg’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 Blairsburg’s collection

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

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

Blairsburg, census by census

010020030018801900192019401960198020002020Peak: 288

Peaked at 288 in 1980; 176 people lived here in 2020.

15 censuses, 1880–2020.

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

The story so far

Blairsburg, in brief

Wikipedia doesn’t have a history of Blairsburg yet. The photos, dates and memories neighbors add here are how it gets written.

Blairsburg is a city in Hamilton County, Iowa, United States. The population was 176 at the 2020 census.

Its first post office opened in 1867. Between the 2010 and 2020 censuses its population fell from 215 to 176 (-18%).

Intro from Wikipedia. Population: U.S. Census Bureau.

From the old history books

What they wrote about Blairsburg in 1912

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

1871, and died September 11, 1873. The first five were natives of Illinois and the last named of Missouri. The father, who was a farmer, was for many years identified with the agricultural interests of Hamilton county, but he was living in Blairsburg at the time of his death, which occurred January…
History of Hamilton County, Iowa1912 · page 28Read the page →
Read the text

1871, and died September 11, 1873. The first five were natives of Illinois and the last named of Missouri. The father, who was a farmer, was for many years identified with the agricultural interests of Hamilton county, but he was living in Blairsburg at the time of his death, which occurred January 20, 1905. The mother passed away on March 12, 1900.

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

Blairsburg, 1867 to 1980

Woven from the archive, old maps, post office records, the National Register and the people born here.

  1. 19th century
  2. 1867Post officeThe Blairsburg post office opens
  3. 20th century
  4. 1978On the mapFirst mapped by the U.S. Geological Survey
  5. 1980CensusPopulation peaks at 288
By decade

Blairsburg, decade by decade

On the map

Blairsburg on the map, 1978 to 1993

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

Blairsburg on the 1978 USGS mapBlairsburg on the 1985 USGS mapBlairsburg on the 1993 USGS map1978Blairsburg sheet · 1:24,000

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

On the National Register

1 historic place in Blairsburg

The country’s official list of buildings and places worth saving.

place listed
1
National Historic Landmarks
0
none yet
historic buildings protected
1
each building in a district counts
first listed
1986
Oakland, William, Round Barn

National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.

Famous people

Famous people close to Blairsburg

Nobody well known was born in Blairsburg itself, so here are the best known from just nearby.

See all →

Questions about Blairsburg’s history

What year was Blairsburg founded?

The Blairsburg post office opened in 1867, the earliest record of the town by name (U.S. post office records).

What is on the National Register in Blairsburg?

One place: the Oakland, William, Round Barn (listed 1986).

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 (4), the National Register of Historic Places (1), 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.