Guest, Sign inJoin

Post to Union Township

We’ll email a one-tap link to publish your post. No password, and nothing is public until you click it.
Already a member? Sign in
–Not graded
History · Union Township

14% of Union Township’s homes were built before 1940

Its Register listing is the Petersburg Mill. Below: 2 old photos and papers, maps from 1910 on, and the census since 1840.

1on the National Register
14%homes built before 1940
2old photos & papers
From Union Township’s archive · credits on each photo

What stands out about Union Township’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 Union Township’s collection

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

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
1 of 10 decades. The empty ones are waiting for someone’s album.
Places that used to be

Lost post offices, old corners, places now gone and burying grounds

Two other post offices opened and closed inside today’s town.

North Union
1827–1839
Algonquin
1851–1907
18201920today
Hamlets and corners on the map
Grampian HillsHeritage HillsHickory GrovePalermo-on-the-LakesPetersburghPiney ViewRolling Meadow AcresToots CrossroadsWaterloo
Gone or out of use
Algonquin MilllocaleFawcett SchoolschoolMcGuire SchoolschoolNorth Union SchoolschoolSmith SchoolschoolToot Schoolschool
2cemeteries and burying grounds inside Union Township
Mount PleasantSeceders

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

People over time

Union Township, census by census

02004006008001,0001850190019502000889 in 1840Low: 432

Lost half of its people between 1840 and 1930, then more than doubled.

19 censuses, 1840–2020.

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

The story so far

Union Township, in brief

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

Union Township is one of the fourteen townships of Carroll County, Ohio, United States. As of the 2020 census, the population was 868.

Between the 2010 and 2020 censuses its population fell from 977 to 868 (-11%).

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

Timeline

Union Township, 1827 to 2000

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

  1. 19th century
  2. 1827Post officeThe North Union post office opens
  3. 1839Post officeThe North Union post office closes
  4. 1851Post officeThe Algonquin post office opens
  5. 1894In the archiveUnion Township Carroll County Ohio 1894
  6. 20th century
  7. 1907Post officeThe Algonquin post office closes
  8. 1910On the mapFirst mapped by the U.S. Geological Survey
  9. 1915In the archiveUnion Township, Carroll County, Ohio 1915
  10. 21st century
  11. 2000CensusPopulation peaks at 1,059
By decade

Union Township, decade by decade

2 decades in the archive, from the 1890s to the 1910s. Scroll each row; tap a photo for its story.

1920s–1990snothing yet
Nothing in the archives for these yearsWeddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
Add from your album
On the map

Union Township on the map, 1910 to 1994

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

Union Township on the 1910 USGS mapUnion Township on the 1959 USGS mapUnion Township on the 1971 USGS mapUnion Township on the 1985 USGS mapUnion Township on the 1994 USGS map1910Carrollton 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 Union Township.

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.

Union Township Carroll County Ohio 1894
Retake this viewUnion Township Carroll County Ohio 1894, 1894

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

Retake this view · +15
On the National Register

1 historic place in Union Township

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
1970
Petersburg Mill

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

Stories next door

History across the town line

Each neighbor’s History grade, on the same three inputs.

Questions about Union Township’s history

What is on the National Register in Union Township?

One place: the Petersburg Mill (listed 1970).

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 (5), 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) 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.