28 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Houghton | 1 | 8,587 | 8,366 | 0.52% | 1,959 | 4 | City |
| Calumet charter | 2 | 6,407 | 6,251 | 0.63% | 192 | 33 | Township |
| Hancock | 3 | 4,640 | 4,540 | 0.43% | 1,670 | 3 | City |
| Portage charter | 4 | 3,273 | 3,173 | 0.71% | 29 | 112 | Township |
| Adams | 5 | 2,604 | 2,536 | 0.62% | 55 | 47 | Township |
| Torch Lake | 6 | 1,947 | 1,892 | 0.67% | 24 | 80 | Township |
| Chassell | 7 | 1,929 | 1,875 | 0.68% | 40 | 48 | Township |
| Laurium | 8 | 1,912 | 1,870 | 0.42% | 2,946 | 1 | Village |
| Osceola | 9 | 1,875 | 1,819 | 0.75% | 76 | 25 | Township |
| Dollar Bay | 10 | 1,210 | 971 | 0.75% | 307 | 4 | CDP |
| Lake Linden | 11 | 1,056 | 1,031 | 0.48% | 1,342 | 1 | Village |
| Chassell | 12 | 1,001 | 914 | 7.17% | 277 | 4 | CDP |
| South Range | 13 | 756 | 738 | 0.4% | 2,077 | 0 | Village |
| Hubbell | 14 | 725 | 837 | -2.03% | 388 | 2 | CDP |
| Calumet | 15 | 695 | 680 | 0.43% | 3,492 | 0 | Village |
| Atlantic Mine | 16 | 690 | 787 | 7.14% | 626 | 1 | CDP |
| Dodgeville | 17 | 579 | 350 | 7.22% | 1,072 | 1 | CDP |
| Hancock | 18 | 517 | 501 | 0.58% | 33 | 16 | Township |
| Laird | 19 | 500 | 485 | 0.6% | 3 | 187 | Township |
| Painesdale | 20 | 412 | 362 | 7.01% | 1,043 | 0 | CDP |
| Hurontown | 21 | 309 | 167 | 7.29% | 1,679 | 0 | CDP |
| Trimountain | 22 | 251 | 188 | 7.26% | 537 | 0 | CDP |
| Duncan | 23 | 243 | 234 | 0.83% | 1 | 176 | Township |
| Elm River | 24 | 214 | 208 | 0.47% | 2 | 91 | Township |
| Copper City | 25 | 211 | 206 | 0.48% | 2,512 | 0 | Village |
| Eagle River | 26 | 79 | 102 | 6.76% | 13 | 6 | CDP |
| Houghton | 27 | 73 | 69 | 0% | 1 | 121 | Township |
| Pelkie | 28 | 47 | 85 | 6.82% | 35 | 1 | CDP |
Houghton is the largest city in Houghton County, with a population of 8,587.
Pelkie is the smallest city in Houghton County, with a population of 47.
There are 28 cities in Houghton County, Michigan.