Old Chicago Main Post Office is a heritage property in Chicago, Illinois, United States seen on screen in The Dark Knight (2008).
Location: Chicago, Illinois, United States
Verified facts
- Located in Chicago, Illinois
confidence 70/100 · 2 independent sources · SRC-11405, SRC-11404 - Appeared in The Dark Knight (movie, 2008)
confidence 70/100 · 2 independent sources · SRC-11405, SRC-11404 - Appeared in Transformers: Dark of the Moon (movie, 2011)
confidence 70/100 · 2 independent sources · SRC-11405, SRC-12055 - Built in 1921
confidence 80/100 · 4 independent sources · SRC-11405, SRC-12252, SRC-12253, SRC-12595 - Architectural style: Art Deco (Classical Revival)
confidence 80/100 · 4 independent sources · SRC-11405, SRC-12252, SRC-12253, SRC-12595 - Historic designation: National Register of Historic Places; City of Chicago Landmark
confidence 75/100 · 3 independent sources · SRC-11405, SRC-12252, SRC-12595
Evidence & sources
- SRC-11404 — https://movie-locations.com/movies/d/Dark-Knight.php (Tier 2, reference; retrieved June 2026)
- SRC-11405 — https://en.wikipedia.org/wiki/Old_Chicago_Main_Post_Office (Tier 1, reference; retrieved June 2026)
- SRC-12055 — https://www.movie-locations.com/movies/t/Transformers-Dark-Of-The-Moon.php (Tier 2, reference; retrieved June 2026)
- SRC-12252 — https://www.landmarks.org/old-main-post-office/ (Tier 3, reference; retrieved June 2026)
- SRC-12253 — https://www.architecture.org/online-resources/buildings-of-chicago/old-chicago-main-post-o (Tier 3, reference; retrieved June 2026)
- SRC-12595 — The Cultural Landscape Foundation – Old Chicago Post Office Building (Tier 2, reference; retrieved June 2026)
How we verify
Every fact above is independently corroborated by at least two reputable sources and
confidence-scored before publication. Claims that cannot clear that bar are withheld. We show the
street address only for non-residential public landmarks (museums, commercial and civic buildings,
publicly documented filming-location sites); the exact addresses of private residences and any
personal information are structurally barred from publication. Last reviewed June 2026.
Frequently asked questions
Where was The Dark Knight filmed?
Old Chicago Main Post Office, in Chicago, Illinois, is a real-world filming location used for The Dark Knight. This property has also appeared on screen in Transformers: Dark of the Moon.
Where was Transformers: Dark of the Moon filmed?
Old Chicago Main Post Office, in Chicago, Illinois, is a real-world filming location used for Transformers: Dark of the Moon. This property has also appeared on screen in The Dark Knight.
Where is Old Chicago Main Post Office located?
Old Chicago Main Post Office is located in Chicago, Illinois.