ZIP Code 53561

53561 is one of Wisconsin's ZIP codes, delivering to addresses in Merrimac, Sauk County.

City: Merrimac
County: Sauk County
State: Wisconsin
Prefix: 535xx

Where this code sits

53561 is part of the 535xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Merrimac.

Merrimac Wisconsin ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 53561 delivers to without sharing its boundary.

ZIP codes nearest 53561

The ZIP codes whose reference points sit closest to 53561.
ZIP code	Distance	Delivers to
ZIP code 53555	5.6 mi	Lodi, WI
ZIP code 53578	8.4 mi	Prairie Du Sac, WI
ZIP code 53913	8.8 mi	Baraboo, WI
ZIP code 53583	9.8 mi	Sauk City, WI
ZIP code 53955	11 mi	Poynette, WI
ZIP code 53951	11 mi	North Freedom, WI
ZIP code 53529	12 mi	Dane, WI
ZIP code 53901	14 mi	Portage, WI

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 53561, plotted from its record coordinates.

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

Scope ZIP code 53561. 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.