Suffolk County, Massachusetts Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 4th-largest in Massachusetts
The population of Suffolk County, Massachusetts is 782,172 as of the 2023 American Community Survey, making it the 4th-largest county in Massachusetts. The median household income is $92,859, the median home value is $680,700, and the median age is 33.8.
The population of Suffolk County has grown 9.3% since 2010 (725,786 → 793,144), a +0.64% annualized rate.
782,172
Population
+0.64%
Annual growth
13426
People / sq mi
$92,859
Median Income
$680,700
Median Home Value
Suffolk County covers 58 sq mi of land at 13426.2 people per square mile.
About Suffolk County, MA
Suffolk County is a county in Massachusetts with a population of 782,172. It ranks #4 among counties in Massachusetts by population. The median age is 33.8, younger than the national median. The population is 48.3% male and 51.7% female.
The median household income in Suffolk County is $92,859, above the US median of $74,580. 11.6% of residents live below the federal poverty level. Home values sit at a median of $680,700, with monthly rent averaging $2,069. The homeownership rate of 36.6% is lower than the national rate of 64.8%.
Educational attainment in Suffolk County reflects 49.9% of adults 25 and older holding a bachelor's degree or higher, above the national average of 34.3%. Roughly 17.5% of workers primarily work from home, noticeably above the national work-from-home rate of 14.2%. The average commute is 30.9 minutes each way.
Suffolk County Population History (2010-2024)
The county of Suffolk County had a population of 725,786 in 2010 and 793,144 in 2024, a 9.3% growth over 14 years. The peak was 805,915 in 2019. Average annual growth rate: 0.64%.
793,144
Population (2024)
725,786
Population (2010)
805,915
Peak (2019)
0.64%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 725,786 |
| 2011 | 737,285 |
| 2012 | 751,371 |
| 2013 | 762,863 |
| 2014 | 774,113 |
| 2015 | 783,177 |
| 2016 | 793,020 |
| 2017 | 801,269 |
| 2018 | 804,023 |
| 2019 | 805,915 |
| 2020 | 797,239 |
| 2021 | 776,280 |
| 2022 | 777,266 |
| 2023 | 781,678 |
| 2024 | 793,144 |
Race & Ethnicity
| White | 48.1% |
| Black or African American | 19.1% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.3% |
| Two or More Races | 0.0% |
Age & Sex
33.8
Median Age
51.7%
Female
48.3%
Male
13.0%
Age 65+
Age Distribution
Children (under 15): 13.6% · Seniors (65+): 13.0%
Income & Poverty
| Median household income | $92,859$-8,482 vs state |
| Mean household income | $136,155 |
| Per-capita income | $56,920 |
| Poverty rate | 11.6%+5.0% vs state |
| Unemployment rate | 4.4% |
| Employment-to-population | 65.8% |
Top Industries by Employment
The largest employment sector in Suffolk County is professional & business services, accounting for 29.8% of workers.
How residents commute
23.6%
Drive alone
12.3%
Carpool
36.6%
Public transit
17.5%
Work from home
30.9 min
Avg commute
Housing
$680,700+$154,900 vs state
Median home value
$2,069
Median rent
36.6%
Homeownership rate
353,930
Total housing units
91.0%
Occupied
9.0%
Vacant
63.4%
Renter-occupied
Social & access
96.7%
With health insurance
94.6%
With broadband internet
23.6%
Foreign-born
2.3%
Veterans (18+)
12.3%
With a disability
61.6%
Speak language other than English at home
Education
87.6%
High School+
49.9%
Bachelor's+
Largest cities in Massachusetts
Other counties in Massachusetts
Part of Massachusetts
Metro areas in Massachusetts
County rankings
Common questions about Suffolk County, MA
Frequently Asked Questions
Suffolk County, Massachusetts has a population of 782,172 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 4th-largest county in Massachusetts. Population density is 13426 people per square mile.
The population of Suffolk County has grown 9.3% since 2010 (725,786 → 793,144), a +0.64% annualized rate.
The median household income in Suffolk County, Massachusetts is $92,859, with mean (average) household income of $136,155 and per-capita income of $56,920. 11.6% of residents live below the federal poverty level.
In Suffolk County, the largest racial and ethnic groups are White (48.1%), Black or African American (19.1%), 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 Suffolk County, Massachusetts is 33.8 years. Residents are 51.7% female and 48.3% male.
The median home value in Suffolk County is $680,700 and median monthly rent is $2,069. 36.6% of occupied housing units are owner-occupied. The county has 353,930 total housing units, 9.0% of which are vacant.
The largest employment sector in Suffolk County, Massachusetts is professional, scientific, and management services, employing 29.8% of workers. The unemployment rate is 4.4%.
Boston is among the largest cities associated with Suffolk 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.