| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Bellevue | 1 | 64,762 | 65,172 | -0.16% | 2,745 | 24 | City |
| Papillion | 2 | 25,041 | 25,487 | -0.34% | 2,004 | 12 | City |
| La Vista | 3 | 16,478 | 16,777 | -0.39% | 2,924 | 6 | City |
| Gretna | 4 | 9,179 | 9,312 | -0.3% | 1,320 | 7 | City |
| Springfield | 5 | 1,533 | 1,511 | 0.26% | 949 | 2 | City |
Bellevue is the largest city in Sarpy County, with a population of 64,762.
Springfield is the smallest city in Sarpy County, with a population of 1,533.
There are 5 cities in Sarpy County, Nebraska.