Zip Code 54407 — Amherst Junction, WI
54407 is a ZIP Code associated with Amherst Junction, WI, located within Portage. 54407 ranks #10 out of 11 ZIP codes in Portage County by population (and #574 out of 783 in WI). The area supports an estimated population of 1,350 residents across Data Pending housing units, with a population density of 11.2 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (44.527120, -89.294180)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 54407 |
| Primary City | Amherst Junction |
| State / Province | WI |
| County | Portage |
| Total Population | 1,350 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 11.2 people/sq mi |
| Timezone | America/Chicago |
How 54407 Compares
| Metric | ZIP 54407 | Portage County | WI State Average |
|---|
| Population | 1,350 | 68,073 (Total) | 5,914,913 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 11.2 /sq mi | -- | -- |
| County Pop Rank | #10 of 11 | -- | -- |
Nearby ZIP Codes
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 →