| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Houghton | 1 | 8,593 | 8,368 | 0.39% | 1,960 | 4 | City |
| Calumet | 2 | 6,322 | 6,247 | 0.21% | 190 | 33 | Township |
| Hancock | 3 | 4,606 | 4,544 | 0.22% | 1,657 | 3 | City |
| Portage | 4 | 3,243 | 3,187 | 0.28% | 29 | 112 | Township |
| Adams | 5 | 2,572 | 2,535 | 0.27% | 55 | 47 | Township |
| Torch Lake | 6 | 1,924 | 1,890 | 0.31% | 24 | 80 | Township |
| Chassell | 7 | 1,899 | 1,863 | 0.32% | 39 | 48 | Township |
| Laurium | 8 | 1,895 | 1,870 | 0.21% | 2,920 | 1 | Village |
| Osceola | 9 | 1,858 | 1,826 | 0.27% | 75 | 25 | Township |
| Lake Linden | 10 | 1,043 | 1,029 | 0.19% | 1,325 | 1 | Village |
| South Range | 11 | 742 | 733 | 0.13% | 2,038 | 0 | Village |
| Calumet | 12 | 689 | 681 | 0.15% | 3,462 | 0 | Village |
| Hancock | 13 | 516 | 503 | 0.39% | 33 | 16 | Township |
| Laird | 14 | 493 | 485 | 0.2% | 3.0 | 187 | Township |
| Duncan | 15 | 242 | 237 | 0.41% | 1.0 | 176 | Township |
| Elm River | 16 | 209 | 206 | 0% | 2.0 | 91 | Township |
| Copper City | 17 | 201 | 200 | 0% | 2,393 | 0 | Village |
| Houghton | 18 | 76 | 70 | 1.33% | 1.0 | 121 | Township |
Houghton is the largest city in Houghton County, with a population of 8,593.
Houghton is the smallest city in Houghton County, with a population of 76.
There are 18 cities in Houghton County, Michigan.