ZIP Code 51249
About Sibley
Sibley is a city and the county seat of Osceola County, Iowa, United States. The population was 2,860 at the time of the 2020 census. Hawkeye Point, the highest point in the State of Iowa, is also nearby.
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Area Profile
US Census (ACS 5-year · Gazetteer)
3,588
population
$63,542
median household income
28
people / sq mi
$150,000
median home value
$770
median gross rent
42.4
median age
1,581
housing units
1,466
households
126.6
land area (sq mi)
Key places in 51249
- Hawkeye Point nature