12 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Bellevue | 1 | 64,682 | 65,154 | -0.15% | 2,921 | 22 | City |
| Papillion | 2 | 25,170 | 25,558 | -0.31% | 2,102 | 12 | City |
| La Vista | 3 | 16,484 | 16,779 | -0.36% | 2,925 | 6 | City |
| Chalco | 4 | 10,323 | 10,092 | -0.43% | 3,840 | 3 | CDP |
| Gretna | 5 | 9,180 | 9,315 | -0.29% | 1,320 | 7 | City |
| Offutt AFB | 6 | 5,873 | 5,280 | 1.42% | 1,481 | 4 | CDP |
| Springfield | 7 | 1,536 | 1,508 | 0.33% | 950 | 2 | City |
| La Platte | 8 | 160 | 136 | 1.91% | 567 | 0 | CDP |
| Melia | 9 | 95 | 120 | 6.74% | 66 | 1 | CDP |
| Richfield | 10 | 50 | 14 | 6.38% | 33 | 2 | CDP |
| Beacon View | 11 | 38 | 26 | 8.57% | 141 | 0 | CDP |
| Linoma Beach | 12 | 30 | 19 | 7.14% | 57 | 1 | CDP |
Bellevue is the largest city in Sarpy County, with a population of 64,682.
Linoma Beach is the smallest city in Sarpy County, with a population of 30.
There are 12 cities in Sarpy County, Nebraska.