About 50240 - Saint Charles, Iowa
Located in Iowa, the United States is home to the densely populated community of Saint Charles, served by ZIP code 50240. It sits within Saint Charles County County.
Saint Charles has a reported population of 41,210. That's noticeably above the average for a Iowa ZIP code, which sits near 22,608 people.
Median household income is about $57,800 (below the Iowa average).
This ZIP code sits alongside neighboring areas like Montour, Cresco, Davenport within Iowa.