There are 21 cities in Grant 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 |
|---|---|---|---|---|---|---|---|
| Marion | 1 | 28,056 | 28,251 | -0.17% | 1,787 | 15.7 | City |
| Elwood | 2 | 8,429 | 8,403 | 0.07% | 2,124 | 4.0 | City |
| Gas City | 3 | 6,075 | 6,138 | -0.26% | 1,208 | 5.0 | City |
| Hartford City | 4 | 5,937 | 6,085 | -0.62% | 1,529 | 3.9 | City |
| Upland | 5 | 3,806 | 3,812 | -0.05% | 1,213 | 3.1 | Town |
| Fairmount | 6 | 2,653 | 2,675 | -0.23% | 1,673 | 1.6 | Town |
| Jonesboro | 7 | 1,498 | 1,513 | -0.27% | 1,677 | 0.9 | City |
| Converse | 8 | 1,105 | 1,152 | -1.07% | 1,117 | 1.0 | Town |
| Sweetser | 9 | 1,061 | 1,072 | -0.28% | 1,053 | 1.0 | Town |
| Swayzee | 10 | 898 | 912 | -0.44% | 1,915 | 0.5 | Town |
| La Fontaine | 11 | 793 | 801 | -0.25% | 1,298 | 0.6 | Town |
| Van Buren | 12 | 782 | 786 | -0.13% | 1,341 | 0.6 | Town |
| Matthews | 13 | 495 | 493 | 0% | 1,406 | 0.4 | Town |
| Herbst | 14 | 421 | 144 | 5.51% | 3,096 | 0.1 | CDP |
| Fowlerton | 15 | 272 | 270 | 0% | 1,388 | 0.2 | Town |
| Somerset | 16 | 266 | 380 | -3.27% | 391 | 0.7 | CDP |
| Shamrock Lakes | 17 | 216 | 222 | -0.92% | 821 | 0.3 | Town |
| Point Isabel | 18 | 86 | 91 | 7.5% | 151 | 0.6 | CDP |
| Landess | 19 | 78 | 89 | -9.3% | 55 | 1.4 | CDP |
| Sims | 20 | 77 | 93 | -6.1% | 264 | 0.3 | CDP |
| Jalapa | 21 | 18 | 143 | -37.93% | 31 | 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.
Marion is the largest city in Grant County.
Jalapa is the smallest city in Grant County.
There are 21 cities in Grant County, Indiana.