Released on July 27, 2004, through Touch and Go Records in the United States and Warp Records in the rest of the world, the album was greeted by mainly positive reviews from critics, with AllMusic hailing it as "a modern-day agit-pop indie dance-rock classic.

"[2] Louden Up Now sees the group continue to meld funky dance rhythms with post-punk influences.

Originally one edition of the album included a bonus disc containing a clean version.

A two-disc version was released in some countries containing 4 additional tracks on a second disc.

and "Pardon My Freedom" while the 2003 single "Me and Giuliani Down by the Schoolyard" was included on the release.