25 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Sugar Land | 1 | 106,975 | 110,824 | -0.71% | 2,643 | 40.47 | City |
| Missouri City | 2 | 78,332 | 74,434 | 1.01% | 2,700 | 29.02 | City |
| Fulshear | 3 | 59,321 | 17,558 | 16.39% | 4,609 | 12.87 | City |
| Rosenberg | 4 | 42,882 | 38,436 | 2.12% | 1,139 | 37.64 | City |
| Mission Bend | 5 | 38,191 | 38,693 | 0.3% | 8,013 | 4.77 | CDP |
| Katy | 6 | 28,972 | 22,441 | 4.72% | 1,930 | 15.01 | City |
| Sienna | 7 | 28,938 | 21,776 | 7.15% | 2,300 | 12.58 | CDP |
| Fresno | 8 | 24,743 | 23,745 | 1.56% | 2,903 | 8.52 | CDP |
| Pecan Grove | 9 | 24,489 | 18,204 | 2.37% | 2,934 | 8.35 | CDP |
| Cinco Ranch | 10 | 19,002 | 17,588 | 0.26% | 4,212 | 4.51 | CDP |
| Stafford | 11 | 17,143 | 17,630 | -0.56% | 2,445 | 7.01 | City |
| Richmond | 12 | 13,676 | 11,526 | 3.25% | 3,222 | 4.24 | City |
| Four Corners | 13 | 11,285 | 11,634 | -0.64% | 4,677 | 2.41 | CDP |
| Weston Lakes | 14 | 4,637 | 3,889 | 3.34% | 1,749 | 2.65 | City |
| Meadows Place | 15 | 4,490 | 4,755 | -1.17% | 4,812 | 0.93 | City |
| Needville | 16 | 3,088 | 3,087 | 0% | 1,538 | 2.01 | City |
| Cumings | 17 | 1,626 | 1,233 | 2.72% | 893 | 1.82 | CDP |
| Fifth Street | 18 | 1,282 | 2,179 | -5.87% | 1,771 | 0.72 | CDP |
| Pleak | 19 | 1,216 | 983 | 4.02% | 666 | 1.82 | Village |
| Fairchilds | 20 | 1,081 | 878 | 3.94% | 504 | 2.14 | Village |
| Beasley | 21 | 748 | 608 | 3.89% | 704 | 1.06 | City |
| Simonton | 22 | 669 | 643 | 0.75% | 285 | 2.35 | City |
| Kendleton | 23 | 356 | 346 | 0.56% | 324 | 1.10 | City |
| Orchard | 24 | 329 | 314 | 0.92% | 818 | 0.40 | City |
| Thompsons | 25 | 195 | 160 | 3.72% | 40 | 4.93 | Town |
Sugar Land is the largest city in Fort Bend County, with a population of 106,975.
Thompsons is the smallest city in Fort Bend County.
There are 25 cities in Fort Bend County, Texas.