US Factory Map

Eleutherian Mills (DuPont Powder Works) / Hagley Museum

DuPont (historic), Wilmington, Delaware

DuPont began as black powder mills founded by E. I. du Pont on Brandywine Creek near Wilmington, Delaware, in 1802. The mills closed in 1921, and the site is now the Hagley Museum and Library, a National Historic Landmark.

Company
DuPont (historic)
Status
Closed
Opened
1802
Employees
Not stated
Industry
Chemicals
Revised
November 12, 2026

What is made here

Former black powder mills; now the Hagley Museum and Library.

Facts

FoundedGunpowder works founded by E. I. du Pont in 1802 (Hagley) (company: hagley.org)
Site235 acres along the Brandywine in Wilmington, with restored mills, a workers' community and the du Pont family's ancestral home and gardens (company: hagley.org)
SmithsonianDesignated Delaware's first Smithsonian Affiliate on June 2, 2014 (company: hagley.org)
ClosedThe mills along the Brandywine closed in 1921 (reference: en.wikipedia.org)
LandmarkThe museum property was designated a National Historic Landmark in 1966 (reference: en.wikipedia.org)

Figures are as stated by the source named next to each one. Company figures are the company's own claims.

Can you visit?

Hagley Museum, 200 Hagley Creek Road, Wilmington (hagley.org) Check the operator's site before you go.

Sources

  1. Hagley: About us (company, checked November 12, 2026)
  2. Hagley Museum and Library (Wikipedia) (reference, checked November 11, 2026)

Something changed? Send a correction with a link and we'll recheck it.