Franklin County, Massachusetts Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 12th-largest in Massachusetts
The population of Franklin County, Massachusetts is 70,922 as of the 2023 American Community Survey, making it the 12th-largest county in Massachusetts. The median household income is $72,584, the median home value is $303,400, and the median age is 47.3.
The population of Franklin County has declined 0.7% since 2010 (71,372 → 70,871), a -0.05% annualized rate.
70,922
Population
-0.05%
Annual growth
101
People / sq mi
$72,584
Median Income
$303,400
Median Home Value
Franklin County covers 699 sq mi of land at 101.4 people per square mile.
About Franklin County, MA
Educational attainment is the headline number in Franklin County: 40.3% of adults 25 and older have a four-year degree. Franklin County is a county in Massachusetts with a population of 70,922. It ranks #12 among counties in Massachusetts by population.
The typical household earns $72,584 a year, below the US median of $78,538. The poverty rate is 7.5%, below the national 12.4%. Home values run above average at $303,400, with typical rent around $1,169.
The population is unusually well-credentialed for US counties — 40.3% of adults have a four-year degree, above the national 35.0%. Working from home is common here: 14.7% of workers do so, close to the national 14.0%, and the average commute runs about 24 minutes each way.
The education numbers are the throughline: a college-heavy population in Franklin County usually coincides with higher incomes and a workforce concentrated in professional and information industries.
Franklin County Population History (2010-2024)
The county of Franklin County had a population of 71,372 in 2010 and 70,871 in 2024, a -0.7% growth over 14 years. The peak was 71,714 in 2012. Average annual growth rate: -0.05%.
70,871
Population (2024)
71,372
Population (2010)
71,714
Peak (2012)
-0.05%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 71,372 |
| 2011 | 71,711 |
| 2012 | 71,714 |
| 2013 | 71,399 |
| 2014 | 71,344 |
| 2015 | 70,911 |
| 2016 | 70,706 |
| 2017 | 70,674 |
| 2018 | 70,722 |
| 2019 | 70,276 |
| 2020 | 70,934 |
| 2021 | 71,007 |
| 2022 | 71,050 |
| 2023 | 70,860 |
| 2024 | 70,871 |
Race & Ethnicity
| White | 89.4% |
| Black or African American | 1.4% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.3% |
| Two or More Races | 0.0% |
Age & Sex
47.3
Median Age
50.7%
Female
49.3%
Male
24.0%
Age 65+
Age Distribution
Children (under 15): 13.6% · Seniors (65+): 24.0%
Income & Poverty
| Median household income | $72,584$-28,757 vs state |
| Mean household income | $91,453 |
| Per-capita income | $41,366 |
| Poverty rate | 7.5%+0.9% vs state |
| Unemployment rate | 3.9% |
| Employment-to-population | 58.8% |
Top Industries by Employment
The largest employment sector in Franklin County is professional & business services, accounting for 32.5% of workers.
How residents commute
1.2%
Drive alone
4.0%
Carpool
70.3%
Public transit
14.7%
Work from home
23.6 min
Avg commute
Housing
$303,400$-222,400 vs state
Median home value
$1,169
Median rent
68.7%
Homeownership rate
34,424
Total housing units
91.5%
Occupied
8.5%
Vacant
31.3%
Renter-occupied
Social & access
97.7%
With health insurance
93.8%
With broadband internet
26.7%
Foreign-born
6.8%
Veterans (18+)
17.0%
With a disability
93.6%
Speak language other than English at home
Education
93.9%
High School+
40.3%
Bachelor's+
Largest cities in Massachusetts
Other counties in Massachusetts
Part of Massachusetts
Metro areas in Massachusetts
County rankings
Frequently Asked Questions
Franklin County, Massachusetts has a population of 70,922 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 12th-largest county in Massachusetts. Population density is 101 people per square mile.
The population of Franklin County has declined 0.7% since 2010 (71,372 → 70,871), a -0.05% annualized rate.
The median household income in Franklin County, Massachusetts is $72,584, with mean (average) household income of $91,453 and per-capita income of $41,366. 7.5% of residents live below the federal poverty level.
In Franklin County, the largest racial and ethnic groups are White (89.4%), Black or African American (1.4%), Hispanic or Latino (1.3%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Franklin County, Massachusetts is 47.3 years. Residents are 50.7% female and 49.3% male.
The median home value in Franklin County is $303,400 and median monthly rent is $1,169. 68.7% of occupied housing units are owner-occupied. The county has 34,424 total housing units, 8.5% of which are vacant.
The largest employment sector in Franklin County, Massachusetts is professional, scientific, and management services, employing 32.5% of workers. The unemployment rate is 3.9%.
Boston is among the largest cities associated with Franklin County, Massachusetts, with a population of 663,972.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.