9 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Modesto | 1 | 221,529 | 218,717 | 0.21% | 5,109 | 43 | City |
| Turlock | 2 | 72,948 | 72,768 | 0.04% | 4,343 | 17 | City |
| Ceres | 3 | 49,032 | 49,694 | -0.22% | 5,162 | 9 | City |
| Patterson | 4 | 26,329 | 23,827 | 1.61% | 3,381 | 8 | City |
| Riverbank | 5 | 25,959 | 24,957 | 0.65% | 5,511 | 5 | City |
| Oakdale | 6 | 23,209 | 23,208 | 0% | 3,728 | 6 | City |
| Newman | 7 | 12,242 | 12,391 | -0.2% | 5,710 | 2 | City |
| Waterford | 8 | 9,338 | 9,137 | 0.37% | 3,960 | 2 | City |
| Hughson | 9 | 8,107 | 7,495 | 1.27% | 4,253 | 2 | City |
Modesto is the largest city in Stanislaus County, with a population of 221,529.
Hughson is the smallest city in Stanislaus County, with a population of 8,107.
There are 9 cities in Stanislaus County, California.