25 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Sugar Land | 1 | 109,602 | 110,844 | -0.23% | 2,708 | 40 | City |
| Missouri City | 2 | 79,617 | 74,440 | 1.32% | 2,744 | 29 | City |
| Fulshear | 3 | 63,882 | 17,617 | 16.94% | 4,963 | 13 | City |
| Rosenberg | 4 | 43,590 | 38,494 | 2.39% | 1,158 | 38 | City |
| Mission Bend | 5 | 38,191 | 38,693 | 0.3% | 8,013 | 5 | CDP |
| Katy | 6 | 29,071 | 22,419 | 4.79% | 1,936 | 15 | City |
| Sienna | 7 | 28,938 | 21,776 | 7.15% | 2,300 | 13 | CDP |
| Fresno | 8 | 24,743 | 23,745 | 1.56% | 2,903 | 9 | CDP |
| Pecan Grove | 9 | 24,489 | 18,204 | 2.37% | 2,934 | 8 | CDP |
| Cinco Ranch | 10 | 19,002 | 17,588 | 0.26% | 4,212 | 5 | CDP |
| Stafford | 11 | 17,537 | 17,625 | -0.1% | 2,501 | 7 | City |
| Richmond | 12 | 13,726 | 11,619 | 3.16% | 3,234 | 4 | City |
| Four Corners | 13 | 11,285 | 11,634 | -0.64% | 4,677 | 2 | CDP |
| Weston Lakes | 14 | 4,670 | 3,889 | 3.46% | 1,762 | 3 | City |
| Meadows Place | 15 | 4,597 | 4,761 | -0.71% | 4,927 | 1 | City |
| Needville | 16 | 3,152 | 3,084 | 0.41% | 1,570 | 2 | City |
| Cumings | 17 | 1,626 | 1,233 | 2.72% | 893 | 2 | CDP |
| Fifth Street | 18 | 1,282 | 2,179 | -5.87% | 1,771 | 1 | CDP |
| Pleak | 19 | 1,231 | 986 | 4.15% | 675 | 2 | Village |
| Fairchilds | 20 | 1,079 | 878 | 3.85% | 503 | 2 | Village |
| Beasley | 21 | 854 | 606 | 6.09% | 804 | 1 | City |
| Simonton | 22 | 666 | 643 | 0.6% | 283 | 2 | City |
| Kendleton | 23 | 411 | 388 | 0.98% | 374 | 1 | City |
| Orchard | 24 | 347 | 324 | 1.17% | 863 | 0 | City |
| Thompsons | 25 | 190 | 158 | 3.26% | 39 | 5 | Town |
Sugar Land is the largest city in Fort Bend County, with a population of 109,602.
Thompsons is the smallest city in Fort Bend County, with a population of 190.
There are 25 cities in Fort Bend County, Texas.