There are 44 cities in St. Louis city, Missouri.
Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)
City | Rank | 2024 Population | 2020 Population | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| St. Louis | 1 | 275,506 | 300,496 | -2.22% | 4,464 | 61.7 | City |
| University City | 2 | 33,794 | 35,002 | -0.89% | 5,745 | 5.9 | City |
| Mehlville | 3 | 29,207 | 28,824 | 0.2% | 3,906 | 7.5 | CDP |
| Webster Groves | 4 | 23,268 | 23,992 | -0.77% | 3,935 | 5.9 | City |
| Affton | 5 | 19,858 | 19,580 | -0.16% | 4,345 | 4.6 | CDP |
| Concord | 6 | 18,970 | 18,521 | 0.97% | 3,452 | 5.5 | CDP |
| Ferguson | 7 | 17,832 | 18,487 | -0.91% | 2,891 | 6.2 | City |
| Spanish Lake | 8 | 17,784 | 17,682 | -0.75% | 2,412 | 7.4 | CDP |
| Clayton | 9 | 17,499 | 17,347 | 0.22% | 6,980 | 2.5 | City |
| Lemay | 10 | 16,139 | 16,565 | -0.22% | 3,946 | 4.1 | CDP |
| Jennings | 11 | 12,814 | 12,901 | -0.17% | 3,433 | 3.7 | City |
| Crestwood | 12 | 12,101 | 12,395 | -0.61% | 3,375 | 3.6 | City |
| Bellefontaine Neighbors | 13 | 10,260 | 10,699 | -1.06% | 2,332 | 4.4 | City |
| Richmond Heights | 14 | 8,986 | 9,274 | -0.8% | 3,922 | 2.3 | City |
| Ladue | 15 | 8,846 | 8,980 | -0.38% | 1,033 | 8.6 | City |
| Brentwood | 16 | 8,020 | 8,219 | -0.62% | 4,107 | 2.0 | City |
| Maplewood | 17 | 7,969 | 8,256 | -0.9% | 5,092 | 1.6 | City |
| Shrewsbury | 18 | 6,191 | 6,398 | -0.83% | 4,296 | 1.4 | City |
| Glasgow Village | 19 | 5,491 | 5,285 | 0.09% | 5,732 | 1.0 | CDP |
| Dellwood | 20 | 4,781 | 4,900 | -0.62% | 4,610 | 1.0 | City |
| Rock Hill | 21 | 4,618 | 4,742 | -0.67% | 4,187 | 1.1 | City |
| Normandy | 22 | 4,190 | 4,280 | -0.55% | 2,261 | 1.9 | City |
| Northwoods | 23 | 3,550 | 3,681 | -0.92% | 5,086 | 0.7 | City |
| Castle Point | 24 | 2,770 | 2,390 | -2.98% | 4,556 | 0.6 | CDP |
| Pine Lawn | 25 | 2,658 | 2,756 | -0.93% | 4,294 | 0.6 | City |
| Green Park | 26 | 2,649 | 2,708 | -0.56% | 2,024 | 1.3 | City |
| Pagedale | 27 | 2,490 | 2,553 | -0.64% | 2,068 | 1.2 | City |
| Riverview | 28 | 2,305 | 2,392 | -0.95% | 2,777 | 0.8 | Village |
| St. George | 29 | 2,188 | 2,168 | 7.73% | 9,079 | 0.2 | CDP |
| Marlborough | 30 | 2,167 | 2,218 | -0.6% | 9,546 | 0.2 | Village |
| Moline Acres | 31 | 2,076 | 2,154 | -0.95% | 3,623 | 0.6 | City |
| Hanley Hills | 32 | 1,943 | 1,995 | -0.66% | 5,412 | 0.4 | Village |
| Vinita Park | 33 | 1,908 | 1,978 | -0.94% | 2,446 | 0.8 | City |
| Wellston | 34 | 1,599 | 1,535 | 1.01% | 1,716 | 0.9 | City |
| Lakeshire | 35 | 1,500 | 1,555 | -0.92% | 6,696 | 0.2 | City |
| Bel-Nor | 36 | 1,341 | 1,395 | -1.03% | 2,132 | 0.6 | Village |
| Hillsdale | 37 | 1,170 | 1,213 | -0.93% | 3,421 | 0.3 | Village |
| Country Club Hills | 38 | 987 | 1,014 | -0.7% | 5,306 | 0.2 | City |
| Grantwood Village | 39 | 915 | 939 | -0.65% | 1,120 | 0.8 | Town |
| Norwood Court | 40 | 867 | 889 | -0.69% | 7,107 | 0.1 | Town |
| Bella Villa | 41 | 724 | 752 | -0.96% | 5,656 | 0.1 | City |
| Flordell Hills | 42 | 698 | 724 | -0.99% | 5,675 | 0.1 | City |
| Greendale | 43 | 627 | 643 | -0.63% | 3,266 | 0.2 | City |
| Wilbur Park | 44 | 420 | 432 | -0.71% | 7,119 | 0.1 | Village |
Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.
St. Louis is the largest city in St. Louis city.
Wilbur Park is the smallest city in St. Louis city.
There are 44 cities in St. Louis city, Missouri.