Rangkasbitung is a town and an administrative district, in Banten Province of Java, Indonesia. The district covers an area of 73.76 km², and had a population of 116,659 at the 2010 Census and 134,945 at the 2020 Census, while the official estimate as of mid-2023 was 144,733, comprising 73,678 males and 71,055 females.