Massachusetts Population By County in 2014

Based on the US Census Vintage data estimates, in 2014, the population of Massachusetts was 6,764,864. Among all Massachusetts counties, Middlesex[object Promise] had the highest population (1,575,520), followed by Worcester[object Promise] (815,707), and Suffolk[object Promise] (774,113). Nantucket[object Promise] was the least populated county (10,833).

Hover over or click on the counties in the map below to see the populations. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.

You can see similar information for other states and by state for the United States.