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 Pop. | 2020 Pop. | Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Cape Girardeau | 1 | 40,750 | 39,781 | 0.6% | 1,392 | 29.3 | City |
| Jackson | 2 | 15,840 | 15,446 | 0.62% | 1,474 | 10.7 | City |
| Gordonville | 3 | 626 | 622 | 0.16% | 803 | 0.8 | Village |
| Delta | 4 | 375 | 375 | 0% | 952 | 0.4 | City |
| Millersville | 5 | 362 | 363 | 7.74% | 320 | 1.1 | CDP |
| Altenburg | 6 | 338 | 344 | -0.59% | 322 | 1.1 | City |
| Dutchtown | 7 | 243 | 110 | 8% | 137 | 1.8 | CDP |
| Oak Ridge | 8 | 238 | 237 | 0% | 403 | 0.6 | Town |
| Shawneetown | 9 | 201 | 196 | 8.06% | 341 | 0.6 | CDP |
| Burfordville | 10 | 150 | 83 | 7.14% | 448 | 0.3 | CDP |
| Haywood City | 11 | 135 | 135 | 0% | 315 | 0.4 | Village |
| Allenville | 12 | 94 | 94 | 0% | 606 | 0.2 | Village |
| Pocahontas | 13 | 94 | 93 | 0% | 913 | 0.1 | Town |
| Whitewater | 14 | 85 | 85 | 0% | 397 | 0.2 | Town |
| Old Appleton | 15 | 71 | 71 | 0% | 587 | 0.1 | Town |
| New Wells | 16 | 38 | 41 | 5.56% | 65 | 0.6 | CDP |
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.
Cape Girardeau is the largest city in Cape Girardeau County.
New Wells is the smallest city in Cape Girardeau County.
There are 16 cities in Cape Girardeau County, Missouri.