35 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 2151 | Revere | 59,949 |
| 2124 | Dorchester Center | 55,897 |
| 2128 | East Boston | 44,124 |
| 2135 | Brighton | 43,683 |
| 2130 | Jamaica Plain | 41,109 |
| 2150 | Chelsea | 39,444 |
| 2136 | Hyde Park | 38,071 |
| 2127 | South Boston | 36,646 |
| 2125 | Dorchester | 33,069 |
| 2131 | Roslindale | 31,564 |
| 2115 | Boston | 28,621 |
| 2118 | Boston | 28,522 |
| 2121 | Dorchester | 28,298 |
| 2132 | West Roxbury | 27,069 |
| 2119 | Roxbury | 26,851 |
| 2126 | Mattapan | 25,313 |
| 2215 | Boston | 24,054 |
| 2122 | Dorchester | 23,471 |
| 2116 | Boston | 22,040 |
| 2129 | Charlestown | 19,994 |
| 2152 | Winthrop | 18,807 |
| 2134 | Allston | 17,637 |
| 2120 | Roxbury Crossing | 15,248 |
| 2114 | Boston | 13,853 |
| 2111 | Boston | 8,067 |
| 2210 | Boston | 6,554 |
| 2113 | Boston | 6,522 |
| 2108 | Boston | 4,178 |
| 2109 | Boston | 3,714 |
| 2110 | Boston | 2,178 |
| 2163 | Boston | 1,852 |
| 2199 | Boston | 1,253 |
| 2133 | Boston | 80 |
| 2203 | Boston | 0 |
| 2205 | Boston | 0 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 35 ZCTAs in Suffolk County, Massachusetts (US Census).