Sioux County, Nebraska Cities (2025)

3 cities

City
Rank
2025 Pop. ↓
2020 Pop.
Annual Change
Density
Area (mi²)
Type
Harrison1225238-1.32%7350 Village
Harrison27475-1.33%236 Township
Dudley392112.5%840 CDP

Sioux County Cities Summary

Largest City

Harrison is the largest city in Sioux County, with a population of 225.

Smallest City

Dudley is the smallest city in Sioux County, with a population of 9.

10 Largest Cities

There are 3 cities in Sioux County, Nebraska.

Location of Sioux County