20 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Falls City | 1 | 4,022 | 4,137 | -0.54% | 1,203 | 3 | City |
| Falls City | 2 | 4,022 | 4,132 | -0.54% | 1,203 | 3 | City |
| Humboldt | 3 | 780 | 801 | -0.51% | 585 | 1 | City |
| Humboldt | 4 | 780 | 800 | -0.51% | 585 | 1 | City |
| Salem | 5 | 457 | 472 | 0.22% | 13 | 36 | Township |
| Salem | 6 | 457 | 472 | 0.22% | 13 | 36 | Township |
| Verdon | 7 | 156 | 165 | -1.27% | 658 | 0 | Village |
| Verdon | 8 | 156 | 165 | -1.27% | 658 | 0 | Village |
| Shubert | 9 | 153 | 161 | -1.29% | 729 | 0 | Village |
| Shubert | 10 | 153 | 161 | -1.29% | 729 | 0 | Village |
| Rulo | 11 | 148 | 146 | 0% | 236 | 1 | Village |
| Rulo | 12 | 148 | 146 | 0% | 236 | 1 | Village |
| Stella | 13 | 143 | 148 | -0.69% | 808 | 0 | Village |
| Stella | 14 | 143 | 148 | -0.69% | 808 | 0 | Village |
| Dawson | 15 | 139 | 144 | -0.71% | 653 | 0 | Village |
| Dawson | 16 | 139 | 144 | -0.71% | 653 | 0 | Village |
| Salem | 17 | 80 | 84 | -1.23% | 129 | 1 | Village |
| Salem | 18 | 80 | 84 | -1.23% | 129 | 1 | Village |
| Barada | 19 | 18 | 20 | -5.26% | 198 | 0 | Village |
| Barada | 20 | 18 | 20 | -5.26% | 198 | 0 | Village |
Falls City is the largest city in Richardson County, with a population of 4,022.
Barada is the smallest city in Richardson County, with a population of 18.
There are 20 cities in Richardson County, Nebraska.