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History · Trimble

Trimble’s post office opened in 1899, and 11% of its homes were built before 1940

Below: maps from 1914 on and the census since 1910.

1899first post office
0on the National Register
11%homes built before 1940
Quick answers

How Trimble began

When was Trimble founded?

1899

The Trimble post office opened in 1899, the earliest record of the town by name. Another post office, Carpenters Store (1858), opened inside today’s city and later closed.

First census: 222 in 19102020 census: 573127 years
Founding year: the first Trimble post office (Blevins & Helbock, CC0).The full story ↓

What stands out about Trimble’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 Trimble’s collection

The first neighbors to add old photos shape how Trimble’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

Trimble, census by census

0100200300400500600700192019401960198020002020222 in 1910Low: 118

Lost half of its people between 1910 and 1920, then grew 4-fold.

12 censuses, 1910–2020.

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

On the map

Trimble on the map, 1914 to 1975

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

Trimble on the 1914 USGS mapTrimble on the 1951 USGS mapTrimble on the 1961 USGS mapTrimble on the 1975 USGS map1914Smithville 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 Trimble.

The story

How Trimble came to be

From Wikipedia’s history of Trimble.

Read it all →

Trimble was named after J. M. Trimble, a railroad official. The city was originally called Carpenter's Store; the town site was platted and present name adopted when the railroad was extended to that point. A post office called Carpenters Store was established in 1858, and the name was changed to Trimble in 1899.

Text from Wikipedia, licensed CC BY-SA 4.0.

Timeline

Trimble, 1858 to 2010

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

  1. 19th century
  2. 1858Post officeThe Carpenters Store post office opens
  3. 1899Post officeThe Carpenters Store post office closes
  4. 1899Post officeThe Trimble post office opens
  5. 20th century
  6. 1914On the mapFirst mapped by the U.S. Geological Survey
  7. 21st century
  8. 2010CensusPopulation peaks at 646
By decade

No old photos in the archives yet

Weddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.

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Famous people

Famous people close to Trimble

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

See all →
Places that used to be

Lost post offices

Trimble’s post office has been open since 1899. Another post office, Carpenters Store, opened and closed inside today’s town.

Carpenters Store
1858–1899
Trimble
1899–today
18501940today

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

Questions about Trimble’s history

What year was Trimble founded?

The Trimble post office opened in 1899, 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 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.