58 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Lynn city | 1 | 101,965 | 101,103 | 0.36% | 9,495 | 10.74 | City |
| Lynn | 2 | 101,333 | 101,103 | 0.05% | 9,436 | 10.74 | City |
| Lawrence city | 3 | 88,624 | 88,877 | 0.26% | 12,788 | 6.93 | City |
| Lawrence | 4 | 87,702 | 88,877 | -0.27% | 12,655 | 6.93 | City |
| Haverhill city | 5 | 67,947 | 67,672 | 0.39% | 2,057 | 33.04 | City |
| Haverhill | 6 | 67,243 | 67,672 | -0.13% | 2,035 | 33.04 | City |
| Peabody city | 7 | 54,382 | 54,391 | 0.3% | 3,349 | 16.24 | City |
| Methuen Town city | 8 | 53,895 | 52,993 | 0.41% | 2,426 | 22.21 | City |
| Peabody | 9 | 53,832 | 54,391 | -0.21% | 3,315 | 16.24 | City |
| Methuen Town | 10 | 53,763 | 52,993 | 0.29% | 2,420 | 22.21 | City |
| Salem | 11 | 45,445 | 43,692 | 0.78% | 5,479 | 8.29 | City |
| Salem city | 12 | 45,224 | 43,692 | 0.53% | 5,453 | 8.29 | City |
| Beverly city | 13 | 42,526 | 42,595 | 0.25% | 2,818 | 15.09 | City |
| Beverly | 14 | 42,133 | 42,595 | -0.22% | 2,792 | 15.09 | City |
| Andover town | 15 | 36,745 | 36,552 | 0.36% | 1,192 | 30.82 | Town |
| North Andover town | 16 | 32,269 | 30,861 | 1.02% | 1,228 | 26.28 | Town |
| Gloucester city | 17 | 30,211 | 29,743 | 0.42% | 1,153 | 26.19 | City |
| Gloucester | 18 | 30,103 | 29,743 | 0.24% | 1,149 | 26.19 | City |
| Saugus | 19 | 29,050 | 28,326 | 0.56% | 2,696 | 10.78 | CDP |
| Saugus town | 20 | 28,808 | 28,604 | 0.31% | 2,674 | 10.78 | Town |
| Danvers | 21 | 28,264 | 27,549 | 0.42% | 2,128 | 13.28 | CDP |
| Danvers town | 22 | 28,052 | 28,039 | 0.28% | 2,113 | 13.28 | Town |
| Marblehead | 23 | 20,486 | 20,530 | 0.23% | 4,678 | 4.38 | CDP |
| Marblehead town | 24 | 20,424 | 20,399 | 0.31% | 4,664 | 4.38 | Town |
| Newburyport | 25 | 19,013 | 18,307 | 0.75% | 2,277 | 8.35 | City |
| Newburyport city | 26 | 18,877 | 18,307 | 0.39% | 2,261 | 8.35 | City |
| Amesbury Town city | 27 | 17,549 | 17,341 | 0.71% | 1,428 | 12.29 | City |
| Amesbury Town | 28 | 17,277 | 17,341 | -0.08% | 1,406 | 12.29 | City |
| Swampscott town | 29 | 15,903 | 15,117 | 1.33% | 5,262 | 3.02 | Town |
| Swampscott | 30 | 15,460 | 15,184 | 0.73% | 5,116 | 3.02 | CDP |
| Ipswich town | 31 | 14,017 | 13,760 | 0.41% | 437 | 32.10 | Town |
| Lynnfield | 32 | 13,257 | 12,968 | 0.84% | 1,345 | 9.86 | CDP |
| Lynnfield town | 33 | 13,198 | 12,983 | 0.63% | 1,339 | 9.86 | Town |
| Middleton town | 34 | 9,871 | 9,620 | 0.11% | 734 | 13.45 | Town |
| Andover | 35 | 9,583 | 8,821 | 0.58% | 2,598 | 3.69 | CDP |
| Salisbury town | 36 | 9,401 | 9,217 | 0.76% | 612 | 15.37 | Town |
| Georgetown town | 37 | 8,518 | 8,463 | 0.44% | 662 | 12.86 | Town |
| Boxford town | 38 | 8,229 | 8,185 | 0.49% | 349 | 23.56 | Town |
| Hamilton town | 39 | 7,706 | 7,560 | 0.78% | 544 | 14.18 | Town |
| Rockport town | 40 | 7,112 | 6,989 | 0.88% | 1,018 | 6.99 | Town |
| Newbury town | 41 | 6,904 | 6,717 | 1.01% | 295 | 23.37 | Town |
| Groveland town | 42 | 6,793 | 6,745 | 0.37% | 765 | 8.88 | Town |
| Merrimac town | 43 | 6,762 | 6,716 | 0.33% | 796 | 8.50 | Town |
| Topsfield town | 44 | 6,624 | 6,555 | 0.61% | 557 | 11.90 | Town |
| Rowley town | 45 | 6,514 | 6,159 | 1.21% | 358 | 18.20 | Town |
| Manchester-by-the-Sea town | 46 | 5,478 | 5,387 | 0.75% | 593 | 9.23 | Town |
| Salisbury | 47 | 5,369 | 5,116 | 0.62% | 913 | 5.88 | CDP |
| Ipswich | 48 | 5,035 | 4,826 | 1.1% | 3,072 | 1.64 | CDP |
| Wenham town | 49 | 5,001 | 4,936 | 0.44% | 653 | 7.66 | Town |
| Rockport | 50 | 4,937 | 5,247 | -0.04% | 1,240 | 3.98 | CDP |
| West Newbury town | 51 | 4,676 | 4,505 | 0.84% | 348 | 13.45 | Town |
| Essex town | 52 | 3,742 | 3,677 | 0.65% | 268 | 13.96 | Town |
| Nahant town | 53 | 3,322 | 3,331 | 0.33% | 3,087 | 1.08 | Town |
| Nahant | 54 | 3,318 | 3,512 | -0.18% | 3,084 | 1.08 | CDP |
| Topsfield | 55 | 2,820 | 3,046 | 0.25% | 1,042 | 2.71 | CDP |
| Boxford | 56 | 2,808 | 2,925 | 1.15% | 523 | 5.36 | CDP |
| Essex | 57 | 1,982 | 1,697 | 1.75% | 963 | 2.06 | CDP |
| Rowley | 58 | 1,698 | 1,803 | 1.07% | 991 | 1.71 | CDP |
Lynn city is the largest city in Essex County, with a population of 101,965.
Rowley is the smallest city in Essex County.
There are 58 cities in Essex County, Massachusetts.