| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Pearland | 1 | 130,677 | 127,799 | 0.57% | 2,656 | 49 | City |
| Alvin | 2 | 30,763 | 27,042 | 2.15% | 1,343 | 23 | City |
| Lake Jackson | 3 | 27,779 | 28,139 | -0.09% | 1,408 | 20 | City |
| Manvel | 4 | 22,934 | 10,138 | 10.8% | 840 | 27 | City |
| Iowa Colony | 5 | 22,650 | 8,550 | 10.47% | 2,046 | 11 | Village |
| Angleton | 6 | 21,659 | 19,419 | 1.71% | 1,847 | 12 | City |
| Clute | 7 | 10,878 | 10,639 | 0.53% | 2,045 | 5 | City |
| Freeport | 8 | 10,484 | 10,693 | -0.23% | 681 | 15 | City |
| Richwood | 9 | 4,783 | 4,778 | 0.13% | 1,071 | 4 | City |
| West Columbia | 10 | 3,639 | 3,632 | 0.08% | 1,395 | 3 | City |
| Sweeny | 11 | 3,589 | 3,621 | -0.14% | 1,805 | 2 | City |
| Brazoria | 12 | 2,885 | 2,865 | 0.1% | 1,091 | 3 | City |
| Arcola | 13 | 2,587 | 2,078 | 3.52% | 1,008 | 3 | City |
| Jones Creek | 14 | 1,955 | 1,958 | 0.15% | 774 | 3 | Village |
| Danbury | 15 | 1,688 | 1,670 | 0.3% | 1,742 | 1 | City |
| Brookside Village | 16 | 1,616 | 1,543 | 1% | 788 | 2 | City |
| Oyster Creek | 17 | 1,249 | 1,191 | 0.81% | 606 | 2 | City |
| Holiday Lakes | 18 | 1,076 | 990 | 1.61% | 1,223 | 1 | Town |
| Bailey's Prairie | 19 | 805 | 783 | 0.5% | 115 | 7 | Village |
| Surfside Beach | 20 | 709 | 632 | 2.16% | 446 | 2 | City |
| Hillcrest Village | 21 | 680 | 706 | -0.58% | 1,545 | 0 | City |
| Liverpool | 22 | 566 | 473 | 2.91% | 517 | 1 | City |
| Sandy Point | 23 | 249 | 211 | 2.47% | 143 | 2 | City |
| Bonney | 24 | 215 | 183 | 2.38% | 110 | 2 | Village |
| Quintana | 25 | 25 | 25 | 0% | 37 | 1 | Town |
Pearland is the largest city in Brazoria County, with a population of 130,677.
Quintana is the smallest city in Brazoria County, with a population of 25.
There are 25 cities in Brazoria County, Texas.