There are 18 cities in Sanilac County, Michigan.
Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)
City | Rank | State | 2024 Population | 2020 Census | Annual Change | Density (mi²) | Area (mi²) |
|---|---|---|---|---|---|---|---|
| Sandusky | 1 | Michigan | 2,712 | 2,706 | 0.07% | 1,263 | 2.15 |
| Cass City | 2 | Michigan | 2,474 | 2,512 | -0.36% | 1,402 | 1.76 |
| Croswell | 3 | Michigan | 2,321 | 2,313 | 0.09% | 985 | 2.36 |
| Yale | 4 | Michigan | 1,893 | 1,897 | -0.05% | 1,379 | 1.37 |
| Marlette | 5 | Michigan | 1,870 | 1,854 | 0.21% | 1,158 | 1.61 |
| Harbor Beach | 6 | Michigan | 1,585 | 1,601 | -0.25% | 921 | 1.72 |
| Brown City | 7 | Michigan | 1,302 | 1,298 | 0.08% | 1,148 | 1.13 |
| Lexington | 8 | Michigan | 940 | 920 | 0.53% | 680 | 1.38 |
| Deckerville | 9 | Michigan | 885 | 883 | 0.11% | 710 | 1.25 |
| Ubly | 10 | Michigan | 834 | 844 | -0.24% | 634 | 1.31 |
| Peck | 11 | Michigan | 607 | 603 | 0.17% | 584 | 1.04 |
| Port Sanilac | 12 | Michigan | 571 | 567 | 0.18% | 671 | 0.85 |
| Carsonville | 13 | Michigan | 508 | 504 | 0.2% | 439 | 1.16 |
| Applegate | 14 | Michigan | 227 | 227 | 0% | 226 | 1 |
| Snover | 15 | Michigan | 220 | 300 | -8.33% | 64 | 3.42 |
| Minden City | 16 | Michigan | 181 | 181 | 0% | 184 | 0.99 |
| Melvin | 17 | Michigan | 154 | 156 | 0% | 159 | 0.97 |
| Forestville | 18 | Michigan | 86 | 86 | 0% | 108 | 0.79 |
Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.
Sandusky is the largest city in Sanilac County.
Forestville is the smallest city in Sanilac County.
There are 18 cities in Sanilac County, Michigan.