As of 2003, the town has an estimated population of 13,704 and a density of 591.45 persons per km². The total area is 23.17 km².
On January 1, 2006 the village of Kamiizumi, from Kodama District, was merged into Kamikawa. The town is served by Tanshō Station (丹荘駅), on the Japan Railway Hachiko Line, which is part of the Greater Tokyo transportation system. Children and young adult education resources include Kamikawa Junior High School (神川中学校）, Aoyagi Elementary School (青柳小学校）, and Tansho Elementary School (丹荘小学校).