| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Joplin | 1 | 54,391 | 51,736 | 0.85% | 1,428 | 38 | City |
| Carthage | 2 | 15,926 | 15,580 | 0.2% | 1,321 | 12 | City |
| Webb City | 3 | 13,542 | 13,106 | 0.62% | 1,567 | 9 | City |
| Carl Junction | 4 | 8,547 | 8,178 | 0.74% | 1,562 | 5 | City |
| Oronogo | 5 | 3,350 | 2,568 | 4.56% | 1,348 | 2 | City |
| Duquesne | 6 | 2,387 | 2,177 | 1.79% | 1,227 | 2 | Village |
| Duenweg | 7 | 2,222 | 1,506 | 5.81% | 669 | 3 | City |
| Carterville | 8 | 1,873 | 1,858 | 0.21% | 718 | 3 | City |
| Sarcoxie | 9 | 1,428 | 1,412 | -0.07% | 980 | 1 | City |
| Loma Linda | 10 | 1,023 | 944 | 1.39% | 288 | 4 | Town |
| Jasper | 11 | 864 | 896 | -0.69% | 780 | 1 | City |
| Airport Drive | 12 | 833 | 771 | 1.34% | 416 | 2 | Village |
| Leawood | 13 | 647 | 621 | 0.62% | 525 | 1 | Village |
| Alba | 14 | 596 | 540 | 1.19% | 1,812 | 0 | City |
| Shoal Creek Drive | 15 | 384 | 357 | 0.79% | 819 | 0 | Village |
| Purcell | 16 | 320 | 316 | 0% | 736 | 0 | City |
| Carytown | 17 | 294 | 287 | 0.34% | 20 | 14 | City |
| Fidelity | 18 | 236 | 228 | 0.43% | 244 | 1 | Town |
| Neck City | 19 | 234 | 230 | 0% | 595 | 0 | City |
| Redings Mill | 20 | 160 | 156 | 0.63% | 796 | 0 | Village |
| Grand Falls Plaza | 21 | 108 | 105 | 0% | 1,125 | 0 | Town |
| Shoal Creek Estates | 22 | 108 | 105 | 0% | 947 | 0 | Village |
| Avilla | 23 | 102 | 101 | 0% | 523 | 0 | Town |
| Brooklyn Heights | 24 | 100 | 99 | 0% | 870 | 0 | Town |
| Reeds | 25 | 91 | 87 | 0% | 595 | 0 | Town |
| Waco | 26 | 75 | 73 | 0% | 292 | 0 | City |
| Dennis Acres | 27 | 56 | 50 | 1.82% | 1,333 | 0 | Village |
| Cliff Village | 28 | 43 | 42 | 0% | 1,075 | 0 | Village |
Joplin is the largest city in Jasper County, with a population of 54,391.
Cliff Village is the smallest city in Jasper County, with a population of 43.
There are 28 cities in Jasper County, Missouri.