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B−History
History · Jefferson Township

22% of Jefferson Township’s homes were built before 1940

More historic than 47% of U.S. towns. What drives it

Below: maps from 1903 on and the census since 1890.

0on the National Register
22%homes built before 1940
Quick answers

About Jefferson Township’s history

How historic is Jefferson Township?

B−

More historic than 47% of U.S. towns, on its age, its old homes and the National Register.

What drives the grade ↓
History grade

What drives Jefferson Township’s History grade

On its age, its old homes and the National Register, Jefferson Township is more historic than 47% of U.S. towns. Its share of homes from before 1940 holds the grade up; its National Register listings pull it down.

B−
HistoryA character grade: shown, never part of Jefferson Township’s overall grade.
All U.S. towns we grade (21,289)Ahead of 47%
NewerOlder

Indiana towns list more on the Register than most of the country (a typical Indiana town has 7.9 per 10,000 residents, the U.S. 2.4), so Jefferson Township’s 0.0 sits below most of its state (22% of Indiana towns have fewer) while its 0 listings outnumber those of 23% of U.S. towns.

How sure. Graded on two of the three inputs, so a change in either one moves the letter more than it would with three. The pre-1940 share is a Census survey estimate (±10.2 points).

Founding year: our sources. Homes: Census ACS 2020–24. National Register: National Park Service, May 2026 list; each listing counted once (boundary changes and added documentation belong to their listing), and a historic district counts its contributing buildings. How TownRatings grades history →

What stands out about Jefferson Township’s past

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

★ What stands out · Places that used to be

Lost post offices, old corners and burying grounds

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

Delectable Hill
1838–1885
Otwell
1864–today
Algiers
1885–1955
Iva
1893–1901
Cato
1894–1903
18301930today
Hamlets and corners on the map
AlgiersCatoHighbank TownIvaOtwell
7cemeteries and burying grounds inside Jefferson Township
ArnoldCaseChapelLoganMcClureOtwellWillis

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

Help out

Start Jefferson Township’s collection

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

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

Jefferson Township on the map, 1903 to 1980

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

Jefferson Township on the 1903 USGS mapJefferson Township on the 1961 USGS mapJefferson Township on the 1980 USGS map1903Velpen 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 Jefferson Township.

The story so far

Jefferson Township, in brief

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

Jefferson Township is one of nine townships in Pike County, Indiana, United States. As of the 2020 census, its population was 1,797 and it contained 813 housing units.

Its population held steady between the last two censuses: 1,814 in 2010, 1,797 in 2020.

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

Timeline

Jefferson Township, 1838 to 1955

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

  1. 19th century
  2. 1838Post officeThe Delectable Hill post office opens
  3. 1864Post officeThe Otwell post office opens
  4. 1885Post officeThe Delectable Hill post office closes
  5. 1885Post officeThe Algiers post office opens
  6. 20th century
  7. 1903On the mapFirst mapped by the U.S. Geological Survey
  8. 1955Post officeThe Algiers post office closes
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.

Be the first to add onePhotograph a print flat, in daylight, no flash.
Add from your album
People over time

Jefferson Township, census by census

05001,0001,5002,0002,5003,0001900192019401960198020002020Peak: 2,792

Between 1,626 and 2,792 people in every census since 1890.

14 censuses, 1890–2020.

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

Famous people

Famous people close to Jefferson Township

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

See all →
Stories next door

History across the town line

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

Questions about Jefferson Township’s history

How does Jefferson Township rank for history?

Jefferson Township is more historic than 47% of U.S. towns. The History grade combines the town’s founding era, the share of homes built before 1940 and its National Register listings. It’s a character grade, so it isn’t part of the overall grade. How it works.

How old are the homes in Jefferson Township?

22% of Jefferson Township’s homes were built before 1940 (Census estimate, ±10.2 points), against a typical 14% for an Indiana town; the median home was built in 1969.

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).

From 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.