46 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Huron | 1 | 14,856 | 14,260 | 0.81% | 1,529 | 9.72 | City |
| Wolsey | 2 | 467 | 461 | 0.21% | 206 | 2.27 | Town |
| Clyde township | 3 | 444 | 433 | 0.45% | 14 | 32.80 | Township |
| Theresa township | 4 | 310 | 306 | 0% | 9 | 33.91 | Township |
| Valley township | 5 | 257 | 251 | 0.39% | 7 | 34.91 | Township |
| Wessington | 6 | 204 | 199 | 0.49% | 540 | 0.38 | City |
| Clifton township | 7 | 147 | 141 | 0.68% | 4 | 35.75 | Township |
| Cavour | 8 | 136 | 128 | 1.49% | 332 | 0.41 | Town |
| Lake Byron township | 9 | 125 | 121 | 0.81% | 4 | 32.84 | Township |
| Logan township | 10 | 123 | 123 | 0% | 3 | 35.64 | Township |
| Fairfield township | 11 | 115 | 109 | 0% | 3 | 36.76 | Township |
| Yale | 12 | 113 | 108 | 0.89% | 779 | 0.14 | Town |
| Grant township | 13 | 113 | 112 | 0% | 3 | 36.35 | Township |
| Iowa township | 14 | 112 | 111 | 0% | 3 | 35.98 | Township |
| Hitchcock | 15 | 109 | 108 | 0% | 399 | 0.27 | Town |
| Richland township | 16 | 109 | 103 | 1.87% | 3 | 35.65 | Township |
| Barrett township | 17 | 108 | 107 | 0% | 3 | 35.89 | Township |
| Dearborn township | 18 | 101 | 98 | 1% | 3 | 35.18 | Township |
| Pearl Creek township | 19 | 97 | 94 | 1.04% | 3 | 35.89 | Township |
| Hartland township | 20 | 95 | 92 | 1.06% | 3 | 36.26 | Township |
| Altoona township | 21 | 94 | 91 | 1.08% | 3 | 35.63 | Township |
| Foster township | 22 | 93 | 90 | 1.09% | 3 | 35.98 | Township |
| Morningside | 23 | 91 | 73 | -1.09% | 177 | 0.52 | CDP |
| Cavour township | 24 | 90 | 87 | 1.12% | 3 | 35.54 | Township |
| Carlyle township | 25 | 89 | 86 | 1.14% | 2 | 36.31 | Township |
| Vernon township | 26 | 80 | 74 | 2.56% | 2 | 36.01 | Township |
| Liberty township | 27 | 76 | 73 | 0% | 2 | 36.59 | Township |
| Milford township | 28 | 71 | 68 | 1.43% | 2 | 35.77 | Township |
| Bonilla township | 29 | 66 | 66 | 0% | 2 | 35.92 | Township |
| Wolsey township | 30 | 66 | 66 | 0% | 2 | 33.66 | Township |
| Shamrock Colony | 31 | 64 | 17 | 6.67% | 99 | 0.65 | CDP |
| Pleasant View township | 32 | 59 | 59 | 0% | 2 | 35.69 | Township |
| Kellogg township | 33 | 53 | 53 | 0% | 1 | 36.13 | Township |
| Banner township | 34 | 48 | 48 | 0% | 1 | 35.32 | Township |
| Belle Prairie township | 35 | 47 | 47 | 0% | 1 | 35.80 | Township |
| Wessington township | 36 | 46 | 46 | 0% | 1 | 35.98 | Township |
| Nance township | 37 | 45 | 42 | 0% | 1 | 35.85 | Township |
| Broadland township | 38 | 44 | 44 | 0% | 1 | 35.83 | Township |
| Whiteside township | 39 | 37 | 37 | 0% | 1 | 37.02 | Township |
| Huron township | 40 | 35 | 32 | 2.94% | 1 | 35.62 | Township |
| Burr Oak township | 41 | 34 | 34 | 0% | 1 | 36.26 | Township |
| Sand Creek township | 42 | 32 | 32 | 0% | 1 | 36.32 | Township |
| Broadland | 43 | 27 | 27 | 0% | 27 | 1.01 | Town |
| Virgil | 44 | 26 | 26 | 0% | 26 | 1 | Town |
| Bancroft | 45 | 11 | 11 | 0% | 47 | 0.23 | Town |
| Virgil township | 46 | 3 | 6 | -25% | 0.00 | 35.78 | Township |
Huron is the largest city in Beadle County, with a population of 14,856.
Virgil township is the smallest city in Beadle County.
There are 46 cities in Beadle County, South Dakota.