Rockland is a city in Knox County, Maine, in the United States. As of the 2000 census, the city population was 7,609. It is the county seat of Knox County. It was settled in 1769, and was originally part of Thomaston, Maine. In 1848 it became a separate town named East Thomaston, and was chartered as a city in 1854. Rockland is also an officially designated micropolitan area, and has made several 'best cities and towns to live' lists in recent years. Since the early 1990s, Rockland has seen a shift in its economy away from the fishery and toward a service center city. It has also seen a large increase in tourism and the downtown has transformed into one of unique shops, boutiques, fine dining and art galleries. Rockland is the commercial center of the midcoast Maine region, with many historic inns, a coffee roaster, a food co-op and is also home to the Farnsworth Art Museum. Rockland apartments for rent comparison page shows most up to date rent information on Rockland apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.