ZIP Code 61734

61734 is one of Illinois's ZIP codes, delivering to addresses in Delavan, Tazewell County.

City: Delavan
County: Tazewell County
State: Illinois
Prefix: 617xx

Where this code sits

61734 is part of the 617xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Delavan.

Delavan Illinois ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 61734 delivers to without sharing its boundary.

ZIP codes nearest 61734

The ZIP codes whose reference points sit closest to 61734.
ZIP code	Distance	Delivers to
ZIP code 62635	5.9 mi	Emden, IL
ZIP code 61747	7.1 mi	Hopedale, IL
ZIP code 61534	7.4 mi	Green Valley, IL
ZIP code 62682	9.4 mi	San Jose, IL
ZIP code 62643	9.5 mi	Hartsburg, IL
ZIP code 61568	9.8 mi	Tremont, IL
ZIP code 61564	11 mi	South Pekin, IL
ZIP code 61721	11 mi	Armington, IL

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 61734, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 61734. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.