82 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Readington | 1 | 16,425 | 16,131 | 0.33% | 345 | 48 | Township |
| Readington | 2 | 16,425 | 16,110 | 0.33% | 345 | 48 | Township |
| Clinton | 3 | 13,628 | 13,517 | 1.66% | 456 | 30 | Township |
| Clinton | 4 | 13,628 | 13,506 | 1.66% | 456 | 30 | Township |
| Lebanon | 5 | 6,237 | 6,199 | 0% | 198 | 31 | Township |
| Lebanon | 6 | 6,237 | 6,180 | 0% | 198 | 31 | Township |
| Tewksbury | 7 | 5,932 | 5,868 | 0.22% | 187 | 32 | Township |
| Tewksbury | 8 | 5,932 | 5,850 | 0.22% | 187 | 32 | Township |
| Holland | 9 | 5,239 | 5,172 | 0.13% | 223 | 23 | Township |
| Holland | 10 | 5,239 | 5,156 | 0.13% | 223 | 23 | Township |
| Hampton | 11 | 4,968 | 4,890 | 0.61% | 202 | 25 | Township |
| Hampton | 12 | 4,968 | 4,877 | 0.61% | 202 | 25 | Township |
| Flemington | 13 | 4,915 | 4,880 | 0.2% | 4,564 | 1 | Borough |
| Flemington | 14 | 4,915 | 4,865 | 0.2% | 4,564 | 1 | Borough |
| Flemington | 15 | 4,891 | 4,880 | -0.29% | 4,541 | 1 | Borough |
| Flemington | 16 | 4,891 | 4,865 | -0.29% | 4,541 | 1 | Borough |
| Alexandria | 17 | 4,856 | 4,808 | 0.23% | 176 | 28 | Township |
| Alexandria | 18 | 4,856 | 4,796 | 0.23% | 176 | 28 | Township |
| Lambertville | 19 | 4,224 | 4,139 | 0.64% | 3,897 | 1 | City |
| Lambertville | 20 | 4,224 | 4,128 | 0.64% | 3,897 | 1 | City |
| Lambertville | 21 | 4,214 | 4,139 | 0.41% | 3,887 | 1 | City |
| Lambertville | 22 | 4,214 | 4,128 | 0.41% | 3,887 | 1 | City |
| White House Station | 23 | 4,213 | 3,838 | 3.49% | 1,672 | 3 | CDP |
| East Amwell | 24 | 3,954 | 3,908 | 0.15% | 139 | 28 | Township |
| East Amwell | 25 | 3,954 | 3,898 | 0.15% | 139 | 28 | Township |
| Kingwood | 26 | 3,866 | 3,798 | 0.08% | 110 | 35 | Township |
| Kingwood | 27 | 3,866 | 3,791 | 0.08% | 110 | 35 | Township |
| Bethlehem | 28 | 3,780 | 3,742 | 0.16% | 183 | 21 | Township |
| Bethlehem | 29 | 3,780 | 3,730 | 0.16% | 183 | 21 | Township |
| High Bridge | 30 | 3,625 | 3,544 | 0.5% | 1,516 | 2 | Borough |
| High Bridge | 31 | 3,625 | 3,533 | 0.5% | 1,516 | 2 | Borough |
| High Bridge | 32 | 3,610 | 3,544 | 0.08% | 1,510 | 2 | Borough |
| High Bridge | 33 | 3,610 | 3,533 | 0.08% | 1,510 | 2 | Borough |
| West Amwell | 34 | 3,037 | 3,008 | 0.1% | 140 | 22 | Township |
| West Amwell | 35 | 3,037 | 3,001 | 0.1% | 140 | 22 | Township |
| Clinton | 36 | 2,800 | 2,774 | 0.25% | 2,080 | 1 | Town |
| Clinton | 37 | 2,800 | 2,765 | 0.25% | 2,080 | 1 | Town |
| Clinton | 38 | 2,795 | 2,774 | 0.07% | 2,077 | 1 | Town |
| Clinton | 39 | 2,795 | 2,765 | 0.07% | 2,077 | 1 | Town |
| Annandale | 40 | 1,893 | 1,794 | 0.75% | 1,306 | 1 | CDP |
| Glen Gardner | 41 | 1,696 | 1,676 | 0.3% | 1,096 | 2 | Borough |
| Glen Gardner | 42 | 1,696 | 1,671 | 0.3% | 1,096 | 2 | Borough |
| Glen Gardner | 43 | 1,694 | 1,676 | 0.18% | 1,094 | 2 | Borough |
| Glen Gardner | 44 | 1,694 | 1,671 | 0.18% | 1,094 | 2 | Borough |
| Lebanon | 45 | 1,679 | 1,664 | 0.24% | 1,861 | 1 | Borough |
| Lebanon | 46 | 1,679 | 1,659 | 0.24% | 1,861 | 1 | Borough |
| Lebanon | 47 | 1,674 | 1,664 | -0.06% | 1,856 | 1 | Borough |
| Lebanon | 48 | 1,674 | 1,659 | -0.06% | 1,856 | 1 | Borough |
| Frenchtown | 49 | 1,526 | 1,370 | 2.07% | 1,353 | 1 | Borough |
| Frenchtown | 50 | 1,526 | 1,368 | 2.07% | 1,353 | 1 | Borough |
| Frenchtown | 51 | 1,513 | 1,370 | 1.2% | 1,341 | 1 | Borough |
| Frenchtown | 52 | 1,513 | 1,368 | 1.2% | 1,341 | 1 | Borough |
| Hampton | 53 | 1,452 | 1,440 | 0.21% | 965 | 2 | Borough |
| Hampton | 54 | 1,452 | 1,436 | 0.21% | 965 | 2 | Borough |
| Hampton | 55 | 1,450 | 1,440 | 0.07% | 963 | 2 | Borough |
| Hampton | 56 | 1,450 | 1,436 | 0.07% | 963 | 2 | Borough |
| Brass Castle | 57 | 1,450 | 1,629 | -0.48% | 493 | 3 | CDP |
| Milford | 58 | 1,227 | 1,232 | 0.08% | 1,038 | 1 | Borough |
| Milford | 59 | 1,227 | 1,228 | 0.08% | 1,038 | 1 | Borough |
| Milford | 60 | 1,225 | 1,232 | -0.08% | 1,036 | 1 | Borough |
| Milford | 61 | 1,225 | 1,228 | -0.08% | 1,036 | 1 | Borough |
| Ringoes | 62 | 1,040 | 887 | 7.11% | 609 | 2 | CDP |
| Califon | 63 | 1,021 | 1,008 | 0.29% | 1,065 | 1 | Borough |
| Califon | 64 | 1,021 | 1,005 | 0.29% | 1,065 | 1 | Borough |
| Califon | 65 | 1,019 | 1,008 | 0.1% | 1,063 | 1 | Borough |
| Califon | 66 | 1,019 | 1,005 | 0.1% | 1,063 | 1 | Borough |
| Bloomsbury | 67 | 804 | 796 | 0.25% | 863 | 1 | Borough |
| Bloomsbury | 68 | 804 | 794 | 0.25% | 863 | 1 | Borough |
| Bloomsbury | 69 | 802 | 796 | 0% | 861 | 1 | Borough |
| Bloomsbury | 70 | 802 | 794 | 0% | 861 | 1 | Borough |
| Anderson | 71 | 745 | 394 | 3.76% | 837 | 1 | CDP |
| Three Bridges | 72 | 711 | 429 | 7.08% | 1,354 | 1 | CDP |
| Washington Crossing | 73 | 579 | 548 | 7.22% | 2,307 | 0 | CDP |
| Stockton | 74 | 499 | 499 | 0% | 914 | 1 | Borough |
| Stockton | 75 | 499 | 497 | 0% | 914 | 1 | Borough |
| Stockton | 76 | 499 | 499 | 0% | 914 | 1 | Borough |
| Stockton | 77 | 499 | 497 | 0% | 914 | 1 | Borough |
| New Village | 78 | 487 | 539 | 0.83% | 513 | 1 | CDP |
| Pottersville | 79 | 485 | 441 | 7.06% | 532 | 1 | CDP |
| Oldwick | 80 | 417 | 325 | 6.92% | 232 | 2 | CDP |
| Port Colden | 81 | 251 | 82 | 3.72% | 495 | 1 | CDP |
| Asbury | 82 | 185 | 207 | -3.14% | 267 | 1 | CDP |
Readington is the largest city in Hunterdon County, with a population of 16,425.
Asbury is the smallest city in Hunterdon County, with a population of 185.
There are 82 cities in Hunterdon County, New Jersey.