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
El Paso County, Texas. For the county in Colorado, see El Paso County, Colorado. El Paso County is the westernmost county in the state of Texas, in the United States. As of the 2010 census, the population was 800,647, making it the sixth-most populous county in Texas. Its county seat is El Paso, the sixth-most populous city in Texas and the 19th-most populous city in the United States.