44 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Princeton | 1 | 8,941 | 9,221 | -0.77% | 245 | 37 | Township |
| Hall | 2 | 8,109 | 8,273 | -0.93% | 218 | 37 | Township |
| Princeton | 3 | 7,622 | 7,846 | -0.59% | 925 | 8 | City |
| Manlius | 4 | 6,080 | 6,143 | -0.07% | 255 | 24 | Township |
| Spring Valley | 5 | 5,361 | 5,576 | -0.8% | 723 | 7 | City |
| Selby | 6 | 2,077 | 2,155 | -0.86% | 58 | 36 | Township |
| De Pue | 7 | 1,560 | 1,622 | -0.83% | 638 | 2 | Village |
| Walnut | 8 | 1,531 | 1,596 | -0.97% | 42 | 37 | Township |
| Ladd | 9 | 1,418 | 1,262 | 2.24% | 1,174 | 1 | Village |
| Walnut | 10 | 1,254 | 1,307 | -0.87% | 1,569 | 1 | Village |
| Wyanet | 11 | 1,193 | 1,235 | -0.75% | 33 | 36 | Township |
| La Moille | 12 | 978 | 1,014 | -0.81% | 26 | 38 | Township |
| Wyanet | 13 | 852 | 882 | -0.7% | 901 | 1 | Village |
| Ohio | 14 | 799 | 827 | -0.75% | 21 | 38 | Township |
| Sheffield | 15 | 792 | 820 | -0.75% | 680 | 1 | Village |
| Arispie | 16 | 722 | 750 | -0.82% | 20 | 36 | Township |
| Tiskilwa | 17 | 707 | 741 | -0.98% | 1,554 | 0 | Village |
| La Moille | 18 | 665 | 689 | -0.75% | 641 | 1 | Village |
| Berlin | 19 | 651 | 673 | -0.76% | 18 | 37 | Township |
| Dalzell | 20 | 638 | 663 | -0.78% | 778 | 1 | Village |
| Neponset | 21 | 631 | 658 | -1.1% | 17 | 36 | Township |
| Indiantown | 22 | 576 | 602 | -1.03% | 16 | 36 | Township |
| Manlius | 23 | 550 | 572 | -0.9% | 15 | 36 | Township |
| Dover | 24 | 484 | 500 | -0.82% | 13 | 37 | Township |
| Buda | 25 | 461 | 478 | -0.86% | 455 | 1 | Village |
| Ohio | 26 | 455 | 469 | -0.66% | 713 | 1 | Village |
| Mineral | 27 | 433 | 449 | -0.69% | 12 | 36 | Township |
| Cherry | 28 | 417 | 432 | -0.71% | 787 | 1 | Village |
| Neponset | 29 | 404 | 422 | -0.98% | 403 | 1 | Village |
| Clarion | 30 | 389 | 404 | -0.77% | 11 | 35 | Township |
| Leepertown | 31 | 316 | 328 | -0.94% | 20 | 16 | Township |
| Seatonville | 32 | 309 | 323 | -0.96% | 536 | 1 | Village |
| Malden | 33 | 308 | 318 | -0.65% | 1,128 | 0 | Village |
| Manlius | 34 | 288 | 298 | -0.69% | 903 | 0 | Village |
| Bureau Junction | 35 | 276 | 286 | -0.72% | 172 | 2 | Village |
| Bureau | 36 | 242 | 251 | -0.82% | 7 | 36 | Township |
| Mineral | 37 | 199 | 206 | -1% | 587 | 0 | Village |
| Milo | 38 | 187 | 193 | -0.53% | 5 | 35 | Township |
| Arlington | 39 | 164 | 169 | -0.61% | 415 | 0 | Village |
| Gold | 40 | 161 | 166 | -0.62% | 4 | 36 | Township |
| Dover | 41 | 132 | 136 | -0.75% | 485 | 0 | Village |
| Wheatland | 42 | 131 | 136 | -0.76% | 7 | 18 | Township |
| New Bedford | 43 | 74 | 77 | -1.33% | 477 | 0 | Village |
| Hollowayville | 44 | 43 | 45 | -2.27% | 878 | 0 | Village |
Princeton is the largest city in Bureau County, with a population of 8,941.
Hollowayville is the smallest city in Bureau County, with a population of 43.
There are 44 cities in Bureau County, Illinois.