11 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Green Bay | 1 | 105,817 | 107,299 | -0.23% | 2,327 | 45 | City |
| De Pere | 2 | 25,476 | 25,407 | 0.05% | 2,131 | 12 | City |
| Howard | 3 | 22,944 | 19,995 | 2.19% | 1,227 | 19 | Village |
| Ashwaubenon | 4 | 17,611 | 17,088 | 0.5% | 1,422 | 12 | Village |
| Bellevue | 5 | 17,144 | 15,959 | 1.17% | 1,187 | 14 | Village |
| Allouez | 6 | 13,814 | 14,141 | -0.39% | 3,026 | 5 | Village |
| Suamico | 7 | 13,229 | 12,868 | 0.46% | 364 | 36 | Village |
| Hobart | 8 | 11,204 | 10,219 | 1.49% | 339 | 33 | Village |
| Wrightstown | 9 | 4,467 | 3,188 | 5.01% | 991 | 5 | Village |
| Pulaski | 10 | 4,057 | 3,880 | 0.74% | 1,430 | 3 | Village |
| Denmark | 11 | 3,129 | 2,418 | 3.95% | 1,587 | 2 | Village |
Green Bay is the largest city in Brown County, with a population of 105,817.
Denmark is the smallest city in Brown County, with a population of 3,129.
There are 11 cities in Brown County, Wisconsin.