Massachusetts Population Chart. Massachusetts Population History. The earliest set of recorded population figures can be traced back to 1790, and after 170 years of coloniation, there were aready plenty of people living in Massachusetts. That early census confirmed that 378,787 people were residents in the state.
Mesa County, Colorado (CO) County population in 2016: 150,083 (87% urban, 13% rural); it was 116,255 in 2000 County owner-occupied with a mortgage or a loan houses and condos in 2010: 29,788 County owner-occupied free and clear houses and condos in 2010: 11,718
Alamosa County, Colorado. Alamosa County is one of the 64 counties of the U.S. state of Colorado. As of the 2010 census, the population was 15,445. The county seat is Alamosa. The county name is the Spanish language word for a grove of cottonwood trees..