42 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Kansas City | 1 | 518,016 | 507,984 | 0.38% | 1,646 | 315 | City |
| Kansas City | 2 | 518,016 | 508,096 | 0.38% | 1,646 | 315 | City |
| Independence | 3 | 121,325 | 122,926 | -0.25% | 1,556 | 78 | City |
| Independence | 4 | 121,325 | 122,845 | -0.25% | 1,556 | 78 | City |
| Lee's Summit | 5 | 107,630 | 101,122 | 1.14% | 1,685 | 64 | City |
| Lee's Summit | 6 | 107,630 | 101,572 | 1.14% | 1,685 | 64 | City |
| Blue Springs | 7 | 61,837 | 58,749 | 0.96% | 2,726 | 23 | City |
| Blue Springs | 8 | 61,837 | 58,880 | 0.96% | 2,726 | 23 | City |
| Raytown | 9 | 29,068 | 30,013 | -0.6% | 2,927 | 10 | City |
| Raytown | 10 | 29,068 | 29,947 | -0.6% | 2,927 | 10 | City |
| Grandview | 11 | 26,656 | 26,199 | 0.1% | 1,810 | 15 | City |
| Grandview | 12 | 26,656 | 26,525 | 0.1% | 1,810 | 15 | City |
| Grain Valley | 13 | 17,153 | 15,620 | 1.74% | 2,784 | 6 | City |
| Grain Valley | 14 | 17,153 | 15,683 | 1.74% | 2,784 | 6 | City |
| Independence | 15 | 11,793 | 12,270 | -0.07% | 107 | 110 | Township |
| Independence | 16 | 11,793 | 12,245 | -0.07% | 107 | 110 | Township |
| Oak Grove | 17 | 9,362 | 8,160 | 2.55% | 1,460 | 6 | City |
| Oak Grove | 18 | 9,362 | 8,197 | 2.55% | 1,460 | 6 | City |
| Greenwood | 19 | 6,287 | 6,020 | 0.83% | 1,205 | 5 | City |
| Greenwood | 20 | 6,287 | 6,026 | 0.83% | 1,205 | 5 | City |
| Sugar Creek | 21 | 3,202 | 3,316 | -0.65% | 290 | 11 | City |
| Sugar Creek | 22 | 3,202 | 3,307 | -0.65% | 290 | 11 | City |
| Buckner | 23 | 2,880 | 2,948 | -0.45% | 1,613 | 2 | City |
| Buckner | 24 | 2,880 | 2,942 | -0.45% | 1,613 | 2 | City |
| Lake Lotawana | 25 | 2,732 | 2,305 | 3.17% | 266 | 10 | City |
| Lake Lotawana | 26 | 2,732 | 2,311 | 3.17% | 266 | 10 | City |
| Lone Jack | 27 | 1,892 | 1,524 | 3.96% | 319 | 6 | City |
| Lone Jack | 28 | 1,892 | 1,532 | 3.96% | 319 | 6 | City |
| Blue Summit | 29 | 977 | 412 | 7.13% | 2,006 | 0 | CDP |
| Lake Tapawingo | 30 | 778 | 792 | -0.38% | 2,431 | 0 | City |
| Lake Tapawingo | 31 | 778 | 790 | -0.38% | 2,431 | 0 | City |
| Sibley | 32 | 321 | 316 | 0.31% | 308 | 1 | Village |
| Sibley | 33 | 321 | 315 | 0.31% | 308 | 1 | Village |
| Independence | 34 | 283 | 305 | -1.74% | 5 | 61 | Township |
| Independence | 35 | 283 | 305 | -1.74% | 5 | 61 | Township |
| Tarsney Lakes | 36 | 258 | 261 | 7.5% | 843 | 0 | CDP |
| Levasy | 37 | 72 | 75 | -1.37% | 120 | 1 | City |
| Levasy | 38 | 72 | 75 | -1.37% | 120 | 1 | City |
| Unity Village | 39 | 59 | 63 | -1.67% | 40 | 1 | Village |
| Unity Village | 40 | 59 | 63 | -1.67% | 40 | 1 | Village |
| River Bend | 41 | 5 | 5 | 0% | 3 | 2 | Village |
| River Bend | 42 | 5 | 5 | 0% | 3 | 2 | Village |
Kansas City is the largest city in Jackson County, with a population of 518,016.
River Bend is the smallest city in Jackson County, with a population of 5.
There are 42 cities in Jackson County, Missouri.