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History · New Haven Township

New Haven Township’s post office opened in 1819, and 11% of its homes were built before 1940

Below: 3 old photos and papers, maps from 1905 on, and the census since 1860.

1819first post office
0on the National Register
11%homes built before 1940
3old photos & papers
From New Haven Township’s archive · credits on each photo
Quick answers

How New Haven Township began

When was New Haven Township founded?

1819

The New Haven Township post office opened in 1819, the earliest record of the town by name.

First census: 200 in 18602020 census: 446207 years
Founding year: the first New Haven Township post office (Blevins & Helbock, CC0).The full story ↓

What stands out about New Haven 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 New Haven Township’s collection

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

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
1 of 10 decades. The empty ones are waiting for someone’s album.
People over time

New Haven Township, census by census

0200400600800190019502000Peak: 819

Peaked at 819 in 1950; 399 people lived here in 2020.

16 censuses, 1860–2020.

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

Timeline

New Haven Township, 1905 to 1950

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

  1. 20th century
  2. 1905On the mapFirst mapped by the U.S. Geological Survey
  3. 1937In the archiveThe kitchen sink in a New Haven, Illinois, home after the flood
  4. 1950CensusPopulation peaks at 819
The story

How New Haven Township came to be

From Wikipedia’s history of New Haven Township.

Read it all →

Before the New Haven vicinity was settled, it was inhabited by multiple indigenous cultures. Some countryside southeast of the village near the Wabash was formerly the location of a village of a Late Woodland people known as the "Duffy Complex"; the location is now an archaeological site known as the Duffy site.

Text from Wikipedia, licensed CC BY-SA 4.0.

By decade

New Haven Township, decade by decade

One decade in the archive so far: the 1930s. Scroll each row; tap a photo for its story.

1940s–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

New Haven Township on the map, 1905 to 1949

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

New Haven Township on the 1905 USGS mapNew Haven Township on the 1949 USGS map1905New Haven 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 New Haven 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.

The kitchen sink in a New Haven, Illinois, home after the flood
Retake this viewThe kitchen sink in a New Haven, Illinois, home after the flood, 1937

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

Retake this view · +15
Stories next door

History across the town line

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

Questions about New Haven Township’s history

What year was New Haven Township founded?

The New Haven Township post office opened in 1819, 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 Wikimedia Commons (2), the Library of Congress (3), Wikipedia, U.S. Geological Survey historical maps and U.S. Census counts (via Wikipedia). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.