20 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Lafayette | 1 | 72,254 | 70,763 | 0.35% | 2,379 | 30 | City |
| Fairfield | 2 | 53,683 | 53,139 | -0.22% | 1,958 | 27 | Township |
| West Lafayette | 3 | 47,175 | 44,664 | 0.9% | 3,479 | 14 | City |
| Wea | 4 | 34,937 | 34,130 | -0.02% | 972 | 36 | Township |
| Buck Creek | 5 | 12,028 | 9,346 | 6.76% | 335 | 36 | Township |
| Perry | 6 | 9,418 | 9,071 | 0.19% | 262 | 36 | Township |
| Lafayette | 7 | 8,751 | 8,135 | 1.77% | 336 | 26 | Township |
| Lafayette | 8 | 5,400 | 5,133 | 1.22% | 153 | 35 | Township |
| Lafayette | 9 | 4,497 | 4,252 | 1.1% | 130 | 35 | Township |
| Sheffield | 10 | 4,036 | 3,885 | 0.25% | 111 | 36 | Township |
| Lauramie | 11 | 2,650 | 2,540 | 0.26% | 49 | 54 | Township |
| Battle Ground | 12 | 1,934 | 1,844 | 0.78% | 1,894 | 1 | Town |
| Shadeland | 13 | 1,877 | 1,762 | 1.02% | 69 | 27 | Town |
| Union | 14 | 1,857 | 1,762 | 0.49% | 68 | 27 | Township |
| Wayne | 15 | 1,753 | 1,682 | 0.34% | 51 | 34 | Township |
| Dayton | 16 | 1,394 | 1,328 | 0.8% | 1,213 | 1 | Town |
| Lafayette | 17 | 1,220 | 1,192 | 0.25% | 42 | 29 | Township |
| Randolph | 18 | 1,005 | 968 | 0.3% | 34 | 30 | Township |
| Clarks Hill | 19 | 631 | 595 | 0.96% | 2,320 | 0 | Town |
| Jackson | 20 | 504 | 486 | 0.2% | 12 | 41 | Township |
Lafayette is the largest city in Tippecanoe County, with a population of 72,254.
Jackson is the smallest city in Tippecanoe County, with a population of 504.
There are 20 cities in Tippecanoe County, Indiana.