About 50514 - Armstrong, Iowa
The ZIP code 50514 of Armstrong falls within Iowa, the United States - a mid-sized area by population. It sits within Armstrong County County.
Armstrong has a reported population of 30,410. That's noticeably above the average for a Iowa ZIP code, which sits near 22,608 people.
Median household income is about $62,900 (near the Iowa average).
This ZIP code sits alongside neighboring areas like Montour, Cresco, Davenport within Iowa.