18 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 |
| Lake Linden | 10 | 1,056 | 1,031 | 0.48% | 1,342 | 1 | Village |
| South Range | 11 | 756 | 738 | 0.4% | 2,077 | 0 | Village |
| Calumet | 12 | 695 | 680 | 0.43% | 3,492 | 0 | Village |
| Hancock | 13 | 517 | 501 | 0.58% | 33 | 16 | Township |
| Laird | 14 | 500 | 485 | 0.6% | 3 | 187 | Township |
| Duncan | 15 | 243 | 234 | 0.83% | 1 | 176 | Township |
| Elm River | 16 | 214 | 208 | 0.47% | 2 | 91 | Township |
| Copper City | 17 | 211 | 206 | 0.48% | 2,512 | 0 | Village |
| Houghton | 18 | 73 | 69 | 0% | 1 | 121 | Township |
Houghton is the largest city in Houghton County, with a population of 8,587.
Houghton is the smallest city in Houghton County, with a population of 73.
There are 18 cities in Houghton County, Michigan.