Town Chart.

← Look up another ZIP code · All towns in Iowa

ZIP code 51431

Arthur, IA · Ida County

About ZIP code 51431

  • ZIP code 51431 is in Arthur, Ida County, Iowa.
  • About 430 people live in it, which is 4.4 people per square mile.
  • It also reaches into Sac County.
  • Time zone: Central Standard Time.
  • The middle of the ZIP code is at 42.344, -95.351.

A ZIP code is a mail delivery area, not a town border, and one ZIP code can cover parts of several towns. To check a single address, use the US Postal Service lookup.

Arthur, IA

ZIP code 51431 is the post office name for Arthur, IA. 252 people live in Arthur. Typical household income is $53,711. A typical home costs $50,000.

  • Stronger than most towns on: Cost of living, Housing affordability and Pleasant weather for being outdoors.
  • Weaker than most towns on: Walkability, Space and yard size and Home internet and working from home.

See all figures for Arthur

Nearby ZIP codes

ZIP code list from SimpleMaps US Zips. Population is a US Census Bureau estimate. These are estimates, so check official sources before you decide.