Franklin County, Massachusetts

Franklin County population, land area and income

Franklin County had 70,871 residents in the Census Vintage 2024 estimate, on 699.2 square miles of land. It ranks 12th of 14 in Massachusetts by population and 4th by land area. That works out to 101.4 people per square mile, near the US average of 96.3, and above the national county median.

The median county-equivalent in Massachusetts has 503,121 residents, so Franklin County has 14% of the typical county's population.

Its SAIPE 2023 median household income of $71,256 is above the national county median among 3,143 counties with an estimate.

How Franklin County's population changed since 2020

Franklin County lost 63 residents between the July 2020 and July 2024 estimates, a drop of 0.1%. That ranks 12th of 14 in Massachusetts for growth. The median Massachusetts county changed by +2.2%, and the state as a whole by +2.0%.

Since the April 2020 estimates base, Franklin County recorded 2,081 births and 3,365 deaths, a natural change of -1,284. Net international migration added +635 and net domestic migration, people moving to or from other US counties, came to +512. The largest single component was natural change, which removed 1,284 people.

Where Franklin County is

The Census internal point of Franklin County is at 42.584500, -72.591800. It sits in UTM zone 18N. The map shades Massachusetts's 14 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Franklin County outlined. Dots are towns of 1,000+ people with residents in it.

Towns in Franklin County

One incorporated place of 1,000+ people has residents in Franklin County, 17,633 people together, or 25% of the county. Each figure counts only the part of the town inside Franklin County; towns marked "part" extend into another county. The largest is Greenfield with 17,633.

Counties bordering Franklin County

The Census 2024 county adjacency file lists 6 neighbors for Franklin County, including 3 across a state line. The most populous is Worcester County, MA, with 881,248 residents. Distances run between Census internal points in a straight line.

• Worcester County

  881,248 people

  38 mi ESE

• Hampshire County

  165,399 people

  17 mi SSW

• Berkshire County

  128,726 people

  35 mi WSW

• NH

  Cheshire County, NH

  78,078 people

  29 mi NE

• VT

  Windham County, VT

  45,627 people

  29 mi NNW

• VT

  Bennington County, VT

  37,039 people

  41 mi NW

Distance to Boston and the nearest big city

Boston is 79.4 miles E of Franklin County's internal point in a straight line. The nearest place of 100,000 or more is Springfield, MA (population 154,888), 32.5 miles away. The nearest place of 10,000 or more is Greenfield, MA (population 17,633), 2.1 miles away.

Franklin County FIPS code

The FIPS code of Franklin County is 25011: state code 25 for Massachusetts plus county code 011. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $71,256.