About 51038 - Merrill, Iowa
Located in Iowa, the United States is home to the mid-sized community of Merrill, served by ZIP code 51038. It sits within Merrill County.
Around 32,475 people live in the 51038 ZIP code area. That's noticeably above the average for a Iowa ZIP code, which sits near 22,608 people.
Median household income is about $86,100 (above the Iowa average).
Nearby communities in Iowa include Montour, Cresco, Davenport.