41 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Houston | 1 | 2,324,082 | 2,299,269 | 0.21% | 3,628 | 640.61 | City |
| Pasadena | 2 | 143,614 | 151,368 | -1.07% | 3,287 | 43.69 | City |
| Atascocita | 3 | 94,940 | 81,860 | 2.09% | 3,975 | 23.89 | CDP |
| Baytown | 4 | 83,199 | 85,369 | -0.52% | 2,054 | 40.50 | City |
| Spring | 5 | 66,338 | 61,514 | 1.23% | 2,950 | 22.49 | CDP |
| Channelview | 6 | 44,433 | 43,378 | 0.93% | 3,083 | 14.41 | CDP |
| La Porte | 7 | 38,117 | 35,301 | 1.5% | 2,049 | 18.60 | City |
| Deer Park | 8 | 32,388 | 34,357 | -1.2% | 3,083 | 10.51 | City |
| Cloverleaf | 9 | 25,183 | 25,955 | 0.6% | 8,158 | 3.09 | CDP |
| Bellaire | 10 | 16,901 | 17,188 | -0.34% | 4,699 | 3.60 | City |
| Humble | 11 | 15,907 | 16,731 | -1.03% | 1,605 | 9.91 | City |
| South Houston | 12 | 15,580 | 16,149 | -0.73% | 5,115 | 3.05 | City |
| Tomball | 13 | 15,445 | 12,335 | 4.2% | 1,186 | 13.02 | City |
| Aldine | 14 | 15,421 | 16,308 | -0.19% | 1,959 | 7.87 | CDP |
| West University Place | 15 | 14,647 | 15,006 | -0.49% | 7,309 | 2 | City |
| Seabrook | 16 | 13,712 | 13,587 | 0.18% | 2,795 | 4.91 | City |
| Webster | 17 | 12,003 | 12,450 | -0.74% | 1,893 | 6.34 | City |
| Galena Park | 18 | 9,993 | 10,688 | -1.37% | 2,080 | 4.80 | City |
| Jacinto City | 19 | 9,045 | 9,575 | -1.16% | 4,881 | 1.85 | City |
| Jersey Village | 20 | 7,459 | 7,943 | -1.28% | 2,146 | 3.48 | City |
| Highlands | 21 | 7,318 | 7,345 | -0.19% | 1,499 | 4.88 | CDP |
| Nassau Bay | 22 | 4,973 | 5,323 | -1.39% | 4,093 | 1.22 | City |
| Hunters Creek Village | 23 | 4,334 | 4,378 | -0.21% | 2,215 | 1.96 | City |
| Spring Valley Village | 24 | 4,304 | 4,224 | 0.37% | 3,542 | 1.22 | City |
| Waller | 25 | 3,810 | 2,705 | 6.16% | 639 | 5.96 | City |
| Bunker Hill Village | 26 | 3,759 | 3,821 | -0.32% | 2,607 | 1.44 | City |
| Taylor Lake Village | 27 | 3,729 | 3,688 | 0.21% | 3,326 | 1.12 | City |
| Barrett | 28 | 3,560 | 3,389 | 0.68% | 557 | 6.39 | CDP |
| Piney Point Village | 29 | 3,040 | 3,107 | -0.43% | 1,428 | 2.13 | City |
| El Lago | 30 | 2,865 | 3,065 | -1.38% | 4,449 | 0.64 | City |
| Roman Forest | 31 | 2,653 | 1,785 | 7.02% | 1,219 | 2.18 | City |
| Sheldon | 32 | 2,515 | 2,179 | 1.41% | 1,012 | 2.48 | CDP |
| Hedwig Village | 33 | 2,292 | 2,361 | -0.61% | 2,423 | 0.95 | City |
| Patton Village | 34 | 2,037 | 1,664 | 3.82% | 897 | 2.27 | City |
| Crosby | 35 | 2,005 | 2,276 | -0.99% | 900 | 2.23 | CDP |
| Southside Place | 36 | 1,867 | 1,836 | 0.32% | 7,498 | 0.25 | City |
| Woodbranch | 37 | 1,659 | 1,348 | 3.88% | 826 | 2.01 | City |
| Shoreacres | 38 | 1,483 | 1,557 | -1% | 1,637 | 0.91 | City |
| Porter Heights | 39 | 838 | 1,343 | -6.05% | 260 | 3.23 | CDP |
| Hilshire Village | 40 | 807 | 814 | -0.12% | 3,022 | 0.27 | City |
| Morgan's Point | 41 | 265 | 270 | -0.38% | 173 | 1.53 | City |
Houston is the largest city in Harris County, with a population of 2,324,082.
Morgan's Point is the smallest city in Harris County.
There are 41 cities in Harris County, Texas.