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History · Gravois Mills

Gravois Mills’ post office opened in 1860, and 1 of its places is on the National Register

Most of Gravois Mills was built recently: 7% of its homes predate 1940 and the median home dates from 1985. Its Register listing is the Old St. Patrick's Church. Below: 1 old photo or paper, maps from 1904 on, and the census since 1960.

1860first post office
1on the National Register
7%homes built before 1940
1old photo or paper
From Gravois Mills’ archive · credits on each photo
Quick answers

How Gravois Mills began

When was Gravois Mills founded?

1860

The Gravois Mills post office opened in 1860, the earliest record of the town by name. Another post office, Millville (1834), opened inside today’s town and later closed.

First census: 33 in 19602020 census: 129166 years
Founding year: the first Gravois Mills post office (Blevins & Helbock, CC0).The full story ↓

What stands out about Gravois Mills’ past

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

★ What stands out · Help out

Start Gravois Mills’s collection

The first neighbors to add old photos shape how Gravois Mills’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

Gravois Mills, census by census

01002001960198020002020Peak: 208

Peaked at 208 in 2000; 129 people lived here in 2020.

7 censuses, 1960–2020.

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

On the map

Gravois Mills on the map, 1904 to 1981

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

Gravois Mills on the 1904 USGS mapGravois Mills on the 1935 USGS mapGravois Mills on the 1949 USGS mapGravois Mills on the 1959 USGS mapGravois Mills on the 1961 USGS mapGravois Mills on the 1981 USGS map1904Gravois Mills 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 Gravois Mills.

The story

How Gravois Mills came to be

From Wikipedia’s history of Gravois Mills.

Read it all →

Gravois Mills was laid out in 1884 and named for a nearby gristmill on Gravois Creek. A post office called Gravois Mills has been in operation since 1860.

Old St. Patrick's Church was listed on the National Register of Historic Places in 1979.

Text from Wikipedia, licensed CC BY-SA 4.0.

Timeline

Gravois Mills, 1834 to 2000

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

  1. 19th century
  2. 1834Post officeThe Millville post office opens
  3. 1835Post officeThe Millville post office closes
  4. 1860Post officeThe Gravois Mills post office opens
  5. 1868BuiltOld St. Patrick's Church is built
  6. 20th century
  7. 1904On the mapFirst mapped by the U.S. Geological Survey
  8. 21st century
  9. 2000CensusPopulation peaks at 208
By decade

Gravois Mills, decade by decade

Then & now

Stand where they stood

No then-and-now pairs yet. Take a photo from the same spot as an old one and they appear here side by side.

Watts Log Cabin, Grandad Spring
Retake this viewWatts Log Cabin, Grandad Spring

Find the spot, match the angle, and add your photo. It becomes the first then-and-now pair on Gravois Mills’ page.

Retake this view · +15
On the National Register

1 historic place in Gravois Mills

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
1979
Old St. Patrick's Church
All 1 listings

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

Famous people

Famous people close to Gravois Mills

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

See all →
Places that used to be

Lost post offices

Gravois Mills’s post office has been open since 1860. Another post office, Millville, opened and closed inside today’s town.

Millville
1834–1835
Gravois Mills
1860–today
18301930today

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

Questions about Gravois Mills’ history

What year was Gravois Mills founded?

The Gravois Mills post office opened in 1860, the earliest record of the town by name (U.S. post office records).

What is on the National Register in Gravois Mills?

One place: the Old St. Patrick's Church (listed 1979).

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 the Library of Congress (2), the National Register of Historic Places (1), Wikipedia, U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia), the US Post Offices dataset (Blevins & Helbock) and the USGS Geographic Names Information System. Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.