21 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| North Branch | 1 | 12,444 | 10,811 | 2.7% | 350 | 35.60 | City |
| Wyoming | 2 | 8,169 | 8,036 | 0.33% | 396 | 20.65 | City |
| Chisago City | 3 | 5,774 | 5,583 | 0.66% | 460 | 12.56 | City |
| Lindstrom | 4 | 5,078 | 4,902 | 0.69% | 1,330 | 3.82 | City |
| Chisago Lake township | 5 | 4,980 | 4,818 | 0.55% | 116 | 43.06 | Township |
| Rush City | 6 | 3,420 | 3,230 | 1.12% | 805 | 4.25 | City |
| Harris township | 7 | 3,380 | 3,321 | 0.51% | 105 | 32.24 | Township |
| Lent township | 8 | 3,028 | 2,971 | 0.6% | 94 | 32.25 | Township |
| Fish Lake township | 9 | 2,268 | 2,193 | 0.58% | 70 | 32.25 | Township |
| Sunrise township | 10 | 2,184 | 2,113 | 0.6% | 49 | 45.03 | Township |
| Nessel township | 11 | 1,967 | 1,909 | 0.51% | 53 | 37.37 | Township |
| North Branch township | 12 | 1,797 | 1,722 | 1.07% | 52 | 34.52 | Township |
| Franconia township | 13 | 1,773 | 1,715 | 0.62% | 59 | 30.19 | Township |
| Stacy | 14 | 1,694 | 1,709 | -0.18% | 524 | 3.23 | City |
| Shafer | 15 | 1,223 | 1,152 | 1.16% | 963 | 1.27 | City |
| Shafer township | 16 | 1,158 | 1,118 | 0.7% | 40 | 28.96 | Township |
| Harris | 17 | 1,155 | 1,115 | 0.7% | 58 | 19.96 | City |
| Taylors Falls | 18 | 1,055 | 1,052 | 0.09% | 265 | 3.98 | City |
| Amador township | 19 | 870 | 848 | 0.35% | 29 | 29.88 | Township |
| Rushseba township | 20 | 843 | 816 | 0.6% | 28 | 29.99 | Township |
| Center City | 21 | 641 | 625 | 0.47% | 1,092 | 0.59 | City |
North Branch is the largest city in Chisago County, with a population of 12,444.
Center City is the smallest city in Chisago County.
There are 21 cities in Chisago County, Minnesota.