There are 14 cities in Dearborn County, Indiana.
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 |
|---|---|---|---|---|---|---|---|
| Bright | 1 | 5,886 | 5,801 | 0.24% | 469 | 12.5 | CDP |
| Hidden Valley | 2 | 5,589 | 5,075 | 0.27% | 1,318 | 4.2 | CDP |
| Lawrenceburg | 3 | 5,213 | 5,137 | 0.37% | 986 | 5.3 | City |
| Greendale | 4 | 4,550 | 4,606 | -0.31% | 803 | 5.7 | City |
| Aurora | 5 | 3,516 | 3,482 | 0.23% | 1,068 | 3.3 | City |
| Brookville | 6 | 2,650 | 2,621 | 0.27% | 1,897 | 1.4 | Town |
| Milan | 7 | 1,834 | 1,824 | 0.11% | 922 | 2.0 | Town |
| Dillsboro | 8 | 1,388 | 1,366 | 0.36% | 1,025 | 1.4 | Town |
| Sunman | 9 | 936 | 916 | 0.54% | 800 | 1.2 | Town |
| Moores Hill | 10 | 691 | 675 | 0.58% | 1,607 | 0.4 | Town |
| St. Leon | 11 | 666 | 662 | 0.15% | 98 | 6.8 | Town |
| West Harrison | 12 | 335 | 331 | 0.3% | 1,516 | 0.2 | Town |
| New Trenton | 13 | 259 | 233 | 0.39% | 568 | 0.5 | CDP |
| Mount Carmel | 14 | 79 | 78 | 0% | 1,795 | 0.0 | Town |
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.
Bright is the largest city in Dearborn County.
Mount Carmel is the smallest city in Dearborn County.
There are 14 cities in Dearborn County, Indiana.