34 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Saginaw | 1 | 42,444 | 44,114 | -0.65% | 2,442 | 17 | City |
| Saginaw charter | 2 | 40,874 | 41,624 | -0.15% | 1,669 | 24 | Township |
| Thomas | 3 | 11,993 | 11,918 | 0.3% | 389 | 31 | Township |
| Tittabawassee | 4 | 11,094 | 10,606 | 0.74% | 315 | 35 | Township |
| Bridgeport charter | 5 | 9,828 | 10,082 | -0.25% | 284 | 35 | Township |
| Buena Vista charter | 6 | 7,440 | 7,646 | -0.29% | 210 | 35 | Township |
| Birch Run | 7 | 5,848 | 5,882 | 0.05% | 165 | 36 | Township |
| Carrollton | 8 | 5,560 | 5,734 | -0.34% | 1,662 | 3 | Township |
| Kochville | 9 | 5,267 | 4,901 | 1.96% | 284 | 19 | Township |
| Frankenmuth | 10 | 5,260 | 5,034 | 0.73% | 1,686 | 3 | City |
| Chesaning | 11 | 4,617 | 4,739 | -0.37% | 135 | 34 | Township |
| Taymouth | 12 | 4,044 | 4,064 | 0.27% | 114 | 35 | Township |
| St. Charles | 13 | 3,115 | 3,179 | -0.1% | 85 | 36 | Township |
| Maple Grove | 14 | 2,641 | 2,672 | 0% | 74 | 36 | Township |
| Swan Creek | 15 | 2,436 | 2,415 | 0.45% | 106 | 23 | Township |
| Chesaning | 16 | 2,373 | 2,454 | -0.54% | 770 | 3 | Village |
| Brady | 17 | 2,149 | 2,139 | 0.23% | 58 | 37 | Township |
| Albee | 18 | 2,017 | 2,044 | -0.05% | 56 | 36 | Township |
| St. Charles | 19 | 1,919 | 1,996 | -0.67% | 917 | 2 | Village |
| Spaulding | 20 | 1,906 | 1,973 | -0.42% | 74 | 26 | Township |
| Frankenmuth | 21 | 1,899 | 1,883 | 0.48% | 59 | 32 | Township |
| Blumfield | 22 | 1,849 | 1,868 | 0.16% | 52 | 36 | Township |
| Brant | 23 | 1,819 | 1,839 | 0% | 49 | 37 | Township |
| James | 24 | 1,740 | 1,791 | -0.29% | 104 | 17 | Township |
| Jonesfield | 25 | 1,593 | 1,617 | 0% | 63 | 25 | Township |
| Birch Run | 26 | 1,526 | 1,556 | -0.33% | 810 | 2 | Village |
| Chapin | 27 | 931 | 925 | 0.11% | 38 | 25 | Township |
| Lakefield | 28 | 871 | 891 | -0.46% | 36 | 24 | Township |
| Merrill | 29 | 777 | 745 | 0.52% | 22 | 35 | Township |
| Burt | 30 | 713 | 712 | -0.56% | 36 | 20 | Township |
| Merrill | 31 | 663 | 686 | -0.6% | 954 | 1 | Village |
| Burt | 32 | 402 | 407 | -0.25% | 2 | 230 | Township |
| Oakley | 33 | 289 | 288 | 0% | 280 | 1 | Village |
| Zilwaukee | 34 | 60 | 61 | 0% | 17 | 4 | Township |
Saginaw is the largest city in Saginaw County, with a population of 42,444.
Zilwaukee is the smallest city in Saginaw County, with a population of 60.
There are 34 cities in Saginaw County, Michigan.