About 52577 - Oskaloosa, Iowa
Located in Iowa, the United States is home to the mid-sized community of Oskaloosa, served by ZIP code 52577. It sits within Oskaloosa County County.
Census data puts the population of this ZIP code at 39,031 residents. That's noticeably above the average for a Iowa ZIP code, which sits near 22,608 people.
Median household income is about $66,000 (near the Iowa average).
This ZIP code sits alongside neighboring areas like Montour, Cresco, Davenport within Iowa.