Brewer is a city in Penobscot County, Maine, United States. It is part of the Bangor, Maine Metropolitan Statistical Area. The city is named after its first postmaster, Colonel John Brewer. The population was 8,987 at the 2000 census. Brewer apartments for rent comparison page shows most up to date rent information on Brewer apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.