As of 2011 Census of India, West Godavari district has a population of 3,936,966 with 1,091,525 households, which is the 11th most populous district in the state.The district population is approximately equals to the population of Liberia and Oregon.

In Andhra Pradesh, the West Godavari district is the 19th largest in terms of area with an area of 7,742 km2 (2,989 sq mi)(Before bifurcation) and has a population density of 509/km2 (1,320/sq mi), which is the fourth most densely populated district in the state.Its population growth rate over the decade 2001-2011 was 3.45%. West Godavari has a sex ratio of 1004 females for every 1000 males and stands it at eighth position. It stands at first position in terms of literacy rate in Andhra Pradesh with 26,52,389 (74.63%) literates.20.6% of District’s population lives in Urban areas.