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History · Clayton

Clayton dates to 1849, and 24% of its homes were built before 1940

Its Register listing is the Clayton School. Below: maps from 1962 on and the census since 1880.

1849founded
1on the National Register
24%homes built before 1940
Quick answers

How Clayton began

When was Clayton founded?

1849

Clayton dates its founding to 1849 (Wikidata). The census first counted it in 1880.

First census: 383 in 18802020 census: 45177 years
Founding year: Wikidata. First post office: 1851.

What stands out about Clayton’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 Clayton’s collection

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

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

Clayton, 1849 to 1967

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

  1. 19th century
  2. 1849
    FoundingClayton is established
  3. 1851Post officeThe Clayton post office opens
  4. 20th century
  5. 1962On the mapFirst mapped by the U.S. Geological Survey
  6. 1967Post officeThe Clayton post office closes
The story so far

Clayton, in brief

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

Clayton is a city in Clayton County, Iowa, United States. The population was 45 at the 2020 census, down from 55 in 2000. Clayton is located adjacent to the Mississippi River and is only accessible via a steep road.

Clayton was established in 1849. Between the 2010 and 2020 censuses its population grew from 43 to 45 (+5%).

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

From the old history books

What they wrote about Clayton, 1882–1916

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

Clayton — The town of Clayton is the youngest of all the rising towns of Clayton county. It was surveyed in the fall of 1849 — the present site of the town being a dense forest of timber previous to that time. The place is situated on section i, township 93 north, range 3 west ; it is six miles fro…
History of Clayton County, Iowa1916 · page 84Read the page →
Read the text

Clayton — The town of Clayton is the youngest of all the rising towns of Clayton county. It was surveyed in the fall of 1849 — the present site of the town being a dense forest of timber previous to that time. The place is situated on section i, township 93 north, range 3 west ; it is six miles from Garnavillo and fifteen miles from Elkader.

Text read by machine from the scan; it may contain errors.
He took an active part in the organization of Clayton County, and held the first justice court within its limits. He was the first clerk of the Board of Clayton County Commissioners, was elected the first School Fund Commissioner, and served one term as a Judge of Probate. In 1850 he took the Unite…
History of Clayton County, Iowa1916 · page 397Read the page →
Read the text

He took an active part in the organization of Clayton County, and held the first justice court within its limits. He was the first clerk of the Board of Clayton County Commissioners, was elected the first School Fund Commissioner, and served one term as a Judge of Probate. In 1850 he took the United States census of the counties of Clayton, Fayette, Winneshiek and Allamakee.

Text read by machine from the scan; it may contain errors.
Our subject’s mother, who died in 1891, at the advanced age of eighty years, was before her mar¬ riage Ann G. Gardner. Alexander McGregor in 1847 came to Clayton County, and in that year founded and laid out the present town of McGreg¬ or, in which he continued to make his home until summoned by th…
Portrait and biographical record of Dubuque, Jones and Clayton counties, Iowa. Containing biographical sketches of prominent1894 · page 487Read the page →
Read the text

Our subject’s mother, who died in 1891, at the advanced age of eighty years, was before her mar¬ riage Ann G. Gardner. Alexander McGregor in 1847 came to Clayton County, and in that year founded and laid out the present town of McGreg¬ or, in which he continued to make his home until summoned by the death angel on December 12, 1858.

Text read by machine from the scan; it may contain errors.
Mr. Frank Smith and myself purchased one-half dozen apple trees each from an Ohio nursery. He planted his at the foot of the bluff near his residence, and within tenor twelve rods of the Mississippi, in the village of Clayton, and I planted mine on the prairie in the village of Garnavillo; in less …
History of Clayton County, together with sketches of its cities, villages and townships ... biographies of representative citizens1882 · page 613Read the page →
Read the text

Mr. Frank Smith and myself purchased one-half dozen apple trees each from an Ohio nursery. He planted his at the foot of the bluff near his residence, and within tenor twelve rods of the Mississippi, in the village of Clayton, and I planted mine on the prairie in the village of Garnavillo; in less than ten years mine were entirely gone; his are still bearing and apparently healthy; same varieties, among which is the rambo. The distance apart in the two local¬ ities, in a direct line, is not more than five miles.

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

Clayton, decade by decade

On the map

Clayton on the map in 1962

The U.S. Geological Survey’s map of Clayton.

Clayton on the 1962 USGS map1962Clayton 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 Clayton.

On the National Register

1 historic place in Clayton

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
1974
Clayton School
Buildings

Architectural styles listings

Vernacular1

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

People over time

Clayton, census by census

010020030040018801900192019401960198020002020Peak: 383

Between 41 and 383 people in every census since 1880.

15 censuses, 1880–2020.

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

Famous people

Famous people close to Clayton

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

See all →
Places that used to be

Lost post offices and places now gone

Clayton had its own post office from 1851 to 1967.

Clayton
1851–1967
18501940today
Gone or out of use
Clayton Post Officepost office

US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).

Questions about Clayton’s history

What year was Clayton founded?

In 1849, according to Wikidata. Clayton’s post office opened in 1851, and the census of 1880 counted 383 people here.

What is on the National Register in Clayton?

One place: the Clayton School (listed 1974).

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), 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.