Greater Boston Population 2024. As of 2020, it had 4.3 million people in the great boston area and 708,000 people in the city area. Boston has grown by 23,177 in the last year, which represents a 0.53%.

The metro area population of boston in 2022 was 4,327,000, a 0.28% increase. • from 1950 to 1980, boston’s population declined by almost 30.