Suffolk

Source:

Massachusetts

Suffolk is a major-metro county in Massachusetts with 33 ZIP codes, 716,794 people, and top-decile household income among US counties. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.

National county placement

According to ACS 5-Year Estimates, Suffolk, MA sits among US counties with a top-decile household income, on a major-metro county population base, across a multi-ZIP patchwork.

Top 5%
household income vs 3,210 US counties
716,794
combined ZIP population
33
USPS ZIP codes covered
$105,661
avg ZIP median income

Income percentile ranks this county's average ZIP median household income against 3,210 US counties with ACS income on at least one ZIP.

Suffolk lands in the national county income distribution as top-decile household income on major-metro county footing (FIPS 25025, 33 ZIPs, combined population 716,794). Sort the ZIP table by population before treating the county mean as uniform.

High-income counties with wide ZIP mosaics hide sharp internal gradients. The densest ZIP here is 02151 (Revere) with 51,808 residents - open it beside a thin rural code from the table before treating the county mean as uniform. HUD Fair Market Rents and FBI county tables attach to FIPS 25025, so scorecards stay county-keyed while household income stays ZIP-keyed.

Save two ZIPs from the table into your shortlist, then open a compare link - that is the return path a static county summary cannot replace. All figures here come from Census ACS 2023 5-Year Estimates and USPS ZCTA files.

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33

Total ZIPs

716,794

Total Population

ZIP Codes in Suffolk

Side-by-side: Compare 02151 vs 02124 →

ZIP Code City Population Density
02151 Revere 51,808 3,406
02124 Dorchester Center 47,783 6,159
02135 Brighton 42,780 6,271
02128 East Boston 40,508 3,224
02130 Jamaica Plain 35,401 4,100
02150 Chelsea 35,124 6,133
02125 Dorchester 33,295 6,029
02127 South Boston 31,799 6,069
02131 Roslindale 29,826 4,452
02136 Hyde Park 28,488 2,396
02115 Boston 28,441 15,513
02118 Boston 26,498 9,331
02215 Boston 26,125 13,185
02121 Dorchester 25,978 5,747
02132 West Roxbury 25,861 2,190
02126 Mattapan 25,562 4,746
02119 Roxbury 25,346 6,126
02122 Dorchester 23,479 4,455
02134 Allston 21,503 6,260
02116 Boston 20,628 12,632
02152 Winthrop 17,497 3,425
02129 Charlestown 16,439 4,698
02120 Roxbury Crossing 15,181 9,444
02114 Boston 11,999 10,323
02111 Boston 7,383 10,544
02113 Boston 6,915 26,621
02108 Boston 3,825 10,825
02109 Boston 3,771 8,402
02163 Boston 2,582 10,057
02210 Boston 2,090 840
02110 Boston 1,733 3,693
02199 Boston 1,146 7,732
02203 Boston 0 -

Frequently Asked Questions

What is the population of Suffolk?

Suffolk has a total population of 716,794 across 33 ZIP codes, based on U.S. Census Bureau ACS 2023 data.

What ZIP codes are in Suffolk?

Suffolk includes 33 ZIP codes: 02151, 02124, 02135, 02128, 02130, 02150, 02125, 02127, 02131, 02136, and more.

Suffolk's figures come from Census ACS 5-Year Estimates (2023), mapped to ZIP codes via the HUD USPS Crosswalk. PlainZIP is not affiliated with the U.S. Census Bureau or any government agency. See our methodology for details.

Related

Compare any two ZIPs side by side

Read our methodology : how this data is sourced, computed, and verified.