Osceola County, Iowa Cities (2024)

Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)

City
Rank
2024 Pop.
2020 Pop.
Change
Density (/mi²)
Area (mi²)
Type
Sibley12,7292,857-1.16%1,5281.8City
Ashton2425452-1.62%3801.1City
Ocheyedan3415438-1.43%3671.1City
Melvin4194202-1.02%1,1980.2City
Harris5141151-2.08%1411.0City

Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.

What is the largest city in Osceola County, Iowa?

Sibley is the largest city in Osceola County.

What is the smallest city in Osceola County, Iowa?

Harris is the smallest city in Osceola County.

How many cities are in Osceola County?

There are 5 cities in Osceola County, Iowa.

Frequently Asked Questions