ZIP code · Arthur · Illinois · United States
ZIP code 61911 — Arthur
ZIP code 61911 serves Arthur, Illinois.
- Postal code
- 61911Single source Value from one source, not cross-checked.
- City
- Arthur
- County
- Douglas
- State
- Illinois
- Country
- United States
- Coordinates
- 39.7077, -88.4555 — precision precise (locality)
View on OpenStreetMap - Population
- 4,484 (ZCTA, ACS 5-year)
- Median household income
- $76,960
- Median age
- 34
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · census-acs5. Data generated on 2026-08-21. Methodology · Report an error on this page