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AHistory
History · Delaware City

Delaware City’s post office opened in 1826, and 25% of its homes were built before 1940

More historic than 94% of U.S. towns. What drives it

6 places in town are on the National Register, among them two historic districts with 264 buildings between them. Below: 6 old photos and papers from 1864 on.

1826first post office
6on the National Register
25%homes built before 1940
6old photos & papers
7famous people
From Delaware City’s archive · credits on each photo
Quick answers

How Delaware City began

When was Delaware City founded?

1826

The Delaware City post office opened in 1826, the earliest record of the town by name.

2020 census: 1,885200 years

How historic is Delaware City?

A

More historic than 94% of U.S. towns, on its age, its old homes and the National Register.

What drives the grade ↓
Founding year: the first Delaware City post office (Blevins & Helbock, CC0).The full story ↓
History grade

What drives Delaware City’s History grade

On its age, its old homes and the National Register, Delaware City is more historic than 94% of U.S. towns. All 3 inputs are above most U.S. towns; its National Register listings ranks highest and its age lowest.

A
HistoryA character grade: shown, never part of Delaware City’s overall grade.
All U.S. towns we grade (21,289)Ahead of 94%
NewerOlder

Delaware State towns list more on the Register than most of the country (a typical Delaware State town has 29.4 per 10,000 residents, the U.S. 2.4), so Delaware City’s 1,379 sits above most of its state (94% of Delaware State towns have fewer) while its 269 historic buildings outnumber those of 95% of U.S. towns.

How sure. Graded on any two of the three inputs instead, the letter would range from A− to A. The pre-1940 share is a Census survey estimate (±6.6 points). The founding year is the first post office, not a stated founding date.

Founding year: the first post office (other dates in Quick answers). 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 Delaware City’s past

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

★ What stands out · On the National Register

6 listings protect 269 historic buildings

The country’s official list of buildings and places worth saving.

places listed
6
National Historic Landmarks
0
none yet
historic buildings protected
269
each building in a district counts
first listed
1971
Fort Delaware on Pea Patch Island
BuildingsDistrictsStructures

Architectural styles listings

Italianate3
Greek Revival2
Georgian1
Federal1
Gothic Revival1
Second Empire1

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

Timeline

Delaware City, 1738 to 1997

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

  1. 18th century
  2. 1738Born hereNicholas Van Dyke is born here
  3. 19th century
  4. 1826Post officeThe Delaware City post office opens
  5. 1848Born hereJohn E. Rickards is born here
  6. 1863BuiltFort Dupont Historic District is built
  7. 1864In the archiveCivil War POW 1864
  8. 1884Born hereEugene Reybold is born here
  9. 20th century
  10. 1900In the archiveOfficer's Row, Fort Dupont, Del
  11. 1997Born hereNana Akosah-Bempah is born here
The story

How Delaware City came to be

From Wikipedia’s history of Delaware City.

Read it all →

The Delaware City Historic District, Chelsea, Eastern Lock of the Chesapeake and Delaware Canal, Fairview, and Fort Delaware on Pea Patch Island are listed on the National Register of Historic Places.

Text from Wikipedia, licensed CC BY-SA 4.0.

By decade

Delaware City, decade by decade

2 decades in the archive, from the 1860s to the 1900s. Scroll each row; tap a photo for its story.

1910s–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
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.

Civil War POW 1864
Retake this viewCivil War POW 1864, 1864

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

Retake this view · +15
Famous people

7 famous people were born in Delaware City

Writers, athletes, leaders and more, ranked by how widely they’re known.

See all →
Places that used to be

Places now gone

Delaware City’s post office has been open since 1826.

Gone or out of use
Battery Clermont BestmilitaryBattery GibsonmilitaryBattery ReadmilitaryBattery RodneymilitaryFort Dupontmilitary

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

Help out

Finish Delaware City’s story

Most archives stop around 1920. The photos from after that are in family albums, not libraries.

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

Questions about Delaware City’s history

What year was Delaware City founded?

The Delaware City post office opened in 1826, the earliest record of the town by name (U.S. post office records).

How does Delaware City rank for history?

Delaware City is more historic than 94% 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.

What is on the National Register in Delaware City?

6 listings: 3 buildings, among them the Fort Delaware on Pea Patch Island (listed 1971, the first), 2 historic districts, the Delaware City Historic District and the Fort Dupont Historic District, with 264 contributing buildings, and 1 structure. 269 historic buildings in all.

How old are the homes in Delaware City?

25% of Delaware City’s homes were built before 1940 (Census estimate, ±6.6 points), against a typical 5.9% for a Delaware State town; the median home was built in 1964.

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 Wikimedia Commons (3), the Library of Congress (3), the National Register of Historic Places (6), Wikipedia, Wikidata and Wikipedia for famous people, 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.