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 |
|---|---|---|---|---|---|---|---|
| Davenport | 1 | 99,921 | 101,651 | -0.43% | 1,563 | 63.9 | City |
| Bettendorf | 2 | 40,102 | 39,125 | 0.61% | 1,883 | 21.3 | City |
| Eldridge | 3 | 6,885 | 6,727 | 0.57% | 706 | 9.8 | City |
| Le Claire | 4 | 4,754 | 4,712 | 0.21% | 1,022 | 4.7 | City |
| Park View | 5 | 2,909 | 3,444 | 1.29% | 1,971 | 1.5 | CDP |
| Blue Grass | 6 | 1,693 | 1,665 | 0.41% | 536 | 3.2 | City |
| Walcott | 7 | 1,546 | 1,556 | -0.19% | 497 | 3.1 | City |
| Buffalo | 8 | 1,159 | 1,179 | -0.43% | 171 | 6.8 | City |
| Princeton | 9 | 913 | 925 | -0.33% | 280 | 3.3 | City |
| Long Grove | 10 | 846 | 838 | 0.24% | 735 | 1.2 | City |
| Riverdale | 11 | 377 | 376 | 0% | 205 | 1.8 | City |
| Donahue | 12 | 337 | 333 | 0.3% | 949 | 0.4 | City |
| McCausland | 13 | 311 | 310 | 0% | 561 | 0.6 | City |
| Dixon | 14 | 204 | 203 | 0% | 1,632 | 0.1 | City |
| Panorama Park | 15 | 141 | 141 | 0% | 2,350 | 0.1 | City |
| New Liberty | 16 | 133 | 133 | 0% | 1,400 | 0.1 | City |
| Argo | 17 | 14 | 0 | 7.69% | 31 | 0.5 | CDP |
| Big Rock | 18 | 14 | 34 | 7.69% | 42 | 0.3 | 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.
Davenport is the largest city in Scott County.
Big Rock is the smallest city in Scott County.
There are 18 cities in Scott County, Iowa.