ZIP code · Delavan · Illinois · United States
ZIP code 61734 — Delavan
ZIP code 61734 serves Delavan, Illinois.
- Postal code
- 61734Single source Value from one source, not cross-checked.
- City
- Delavan
- County
- Tazewell
- State
- Illinois
- Country
- United States
- Coordinates
- 40.3690, -89.5321 — precision precise (locality)
View on OpenStreetMap
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. Data generated on 2026-08-21. Methodology · Report an error on this page