Zip Code 54406 — Amherst, WI

ZIP Code 54406 is associated with Amherst, WI, in Portage County. The listed population estimate is 4,040; estimated density is 23.5 people per square mile. Among records with population estimates, it ranks #4 of 11 in Portage County and #314 of 780 in WI.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (44.411220, -89.312110)

Data MetricLocal Statistic
Postal / Zip Code54406
Primary CityAmherst
State / ProvinceWI
CountyPortage
Total Population4,040
Population Density23.5 people/sq mi
TimezoneAmerica/Chicago

How 54406 Compares

MetricZIP 54406Portage County recordsWI records
Population estimate4,04068,073 (sum)5,914,913 (sum)
Population Density23.5 /sq mi----
County population rank#4 of 11----
State population rank#314 of 780----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in WI

ZIP CodeCityDistancePopulation estimate
ZIP 54458Nelsonville6.0 mi133
ZIP 54977Scandinavia7.9 mi1,592
ZIP 54407Amherst Junction8.1 mi1,350
ZIP 54909Almond8.9 mi1,982
ZIP 54946King9.7 mi401

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →