Kamogawa has sister city relations with Minobe Town, Yamanashi Prefecture, Japan and Manitowoc, Wisconsin, USA.
The city was founded on March 31, 1971. On February 11, 2005 the former town Amatsukominato from Awa District merged with Kamogawa.
Kamogawa is the location of Kamogawa Seaworld, which opened in 1970. It houses six orcas -- (Bingo, Oscar, Stella, Lovey, Lara, Ran II) -- and numerous other sea creatures. Currently, Lovey is pregnant and is due in October.