Rangkasbitung, colloquially known as Rangkas, is a town and administrative district located in the Banten Province of Java, Indonesia. The district encompasses a total area of 73.76 km2.
According to census data, the population grew from 116,659 in 2010 to 134,945 in 2020. As of mid-2023, the official estimate placed the population at approximately 144,733, consisting of 73,678 males and 71,055 females.