About 51566 - Red Oak, Iowa
Located in Iowa, the United States is home to the mid-sized community of Red Oak, served by ZIP code 51566. It sits within Red Oak County County.
Census data puts the population of this ZIP code at 32,951 residents. That's noticeably above the average for a Iowa ZIP code, which sits near 22,608 people.
Median household income is about $68,600 (near the Iowa average).
Other ZIP code codes in Iowa serve areas such as Montour, Cresco, Davenport.