According 2005 census Jombang have population amount 1.165.720 peoples. Populous live in urban region. Aboriginal inherited from Java ethnic (Jawa), and some minority such as Chinese race (Tionghoa).
Bahasa Jawa (Java language) as native language use every day, Bahasa Jawa obtained influence from Surabaya dialect which have be open characteristic. Mataraman dialect which have similarity with Jawa Tengahan (soft-spoken characteristic) dialect also influence Bahasa Jawa in Jombang. Jombang region is a border of meeting those two dialects.
Most people in Jombang faith in Islam about 98%, Christian Protestant 1.2%, Catholic 0.3%, Buddha 0.09%, and Hindu 0.07%.
