44 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Princeton | 1 | 9,009 | 9,195 | -0.23% | 247 | 37 | Township |
| Hall | 2 | 8,189 | 8,255 | -0.35% | 220 | 37 | Township |
| Princeton | 3 | 7,620 | 7,819 | -0.52% | 925 | 8 | City |
| Manlius | 4 | 6,101 | 6,141 | 0.18% | 256 | 24 | Township |
| Spring Valley | 5 | 5,362 | 5,562 | -0.74% | 723 | 7 | City |
| Selby | 6 | 2,088 | 2,152 | -0.43% | 58 | 36 | Township |
| De Pue | 7 | 1,563 | 1,625 | -0.76% | 639 | 2 | Village |
| Walnut | 8 | 1,555 | 1,600 | -0.32% | 42 | 37 | Township |
| Ladd | 9 | 1,493 | 1,260 | 3.25% | 1,236 | 1 | Village |
| Walnut | 10 | 1,259 | 1,309 | -0.79% | 1,576 | 1 | Village |
| Wyanet | 11 | 1,210 | 1,236 | -0.17% | 33 | 36 | Township |
| La Moille | 12 | 987 | 1,013 | -0.3% | 26 | 38 | Township |
| Wyanet | 13 | 857 | 886 | -0.7% | 906 | 1 | Village |
| Ohio | 14 | 804 | 826 | -0.37% | 21 | 38 | Township |
| Sheffield | 15 | 793 | 820 | -0.63% | 681 | 1 | Village |
| Arispie | 16 | 728 | 752 | -0.55% | 20 | 36 | Township |
| Tiskilwa | 17 | 717 | 744 | -0.69% | 1,576 | 0 | Village |
| La Moille | 18 | 664 | 688 | -0.75% | 640 | 1 | Village |
| Berlin | 19 | 655 | 671 | -0.3% | 18 | 37 | Township |
| Dalzell | 20 | 638 | 663 | -0.78% | 778 | 1 | Village |
| Neponset | 21 | 638 | 659 | -0.47% | 18 | 36 | Township |
| Indiantown | 22 | 585 | 602 | -0.34% | 16 | 36 | Township |
| Manlius | 23 | 561 | 575 | -0.18% | 15 | 36 | Township |
| Dover | 24 | 490 | 500 | -0.2% | 13 | 37 | Township |
| Buda | 25 | 464 | 478 | -0.64% | 458 | 1 | Village |
| Ohio | 26 | 455 | 469 | -0.66% | 713 | 1 | Village |
| Mineral | 27 | 436 | 448 | -0.23% | 12 | 36 | Township |
| Cherry | 28 | 423 | 438 | -0.7% | 798 | 1 | Village |
| Neponset | 29 | 408 | 423 | -0.73% | 407 | 1 | Village |
| Clarion | 30 | 394 | 402 | -0.25% | 11 | 35 | Township |
| Leepertown | 31 | 319 | 327 | -0.31% | 20 | 16 | Township |
| Seatonville | 32 | 314 | 323 | -0.63% | 544 | 1 | Village |
| Malden | 33 | 307 | 317 | -0.65% | 1,125 | 0 | Village |
| Manlius | 34 | 288 | 300 | -0.69% | 903 | 0 | Village |
| Bureau Junction | 35 | 278 | 287 | -0.71% | 173 | 2 | Village |
| Bureau | 36 | 243 | 250 | -0.41% | 7 | 36 | Township |
| Mineral | 37 | 199 | 206 | -0.5% | 587 | 0 | Village |
| Milo | 38 | 189 | 195 | -0.53% | 5 | 35 | Township |
| Arlington | 39 | 166 | 171 | -0.6% | 420 | 0 | Village |
| Gold | 40 | 164 | 167 | 0% | 5 | 36 | Township |
| Wheatland | 41 | 134 | 136 | 0% | 8 | 18 | Township |
| Dover | 42 | 133 | 137 | -0.75% | 489 | 0 | Village |
| New Bedford | 43 | 74 | 76 | 0% | 477 | 0 | Village |
| Hollowayville | 44 | 37 | 39 | 0% | 755 | 0 | Village |
Princeton is the largest city in Bureau County, with a population of 9,009.
Hollowayville is the smallest city in Bureau County, with a population of 37.
There are 44 cities in Bureau County, Illinois.