Sioux County, North Dakota Cities (2025)

9 cities

City
Rank
2025 Pop.
2020 Pop.
Annual Change
Density
Area (mi²)
Type
Cannon Ball19019430.11%1088 CDP
McLaughlin2537566-1.1%1,3290 City
Kenel32201467.32%2241 CDP
Fort Yates4158177-2.47%2,6330 City
Selfridge5112126-2.61%3800 City
Porcupine6108162-2.7%5350 CDP
Solen76170-3.17%1830 City
Cannon Ball839400%136 Township
Menz918190%0.0047 Township

Sioux County Cities Summary

Largest City

Cannon Ball is the largest city in Sioux County, with a population of 901.

Smallest City

Menz is the smallest city in Sioux County, with a population of 18.

10 Largest Cities

There are 9 cities in Sioux County, North Dakota.

Location of Sioux County