Sibley Flag

Sibley

County:
Osceola County
County Seat:
Yes
Area (mi²):
1.786
State:
Iowa

Sibley is a city located in Osceola County, Iowa. Sibley has a 2026 population of 2,787. It is also the county seat of Osceola County. Sibley is currently growing at a rate of 0.18% annually but its population has decreased by -2.65% since the most recent census, which recorded a population of 2,863 in 2020.

2.8K
Total Population
1,561
Density (mi²)
5 0.18%
Growth