The 2016 Boston, Massachusetts, population is 667,137. There are 13,794 people per square mile (population density).
The median age is 31.3. The US median is 37.4. 31.50% of people in Boston, Massachusetts, are married. 7.82% are divorced.
The average household size is 2.36 people. 22.36% of people are married, with children. 27.08% have children, but are single.
46.03% of people are white, 22.69% are black, 9.08% are asian, 0.19% are native american, and 1.31% claim 'Other'.
18.37% of the people in Boston, Massachusetts, claim hispanic ethnicity (meaning 81.63% are non-hispanic).