Zip Code 54666 — Warrens, WI
54666 is a ZIP Code associated with Warrens, WI, located within Monroe. 54666 ranks #4 out of 7 ZIP codes in Monroe County by population (and #405 out of 783 in WI). The area supports an estimated population of 2,635 residents across Data Pending housing units, with a population density of 4.3 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (44.162010, -90.439900)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 54666 |
| Primary City | Warrens |
| State / Province | WI |
| County | Monroe |
| Total Population | 2,635 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 4.3 people/sq mi |
| Timezone | America/Chicago |
How 54666 Compares
| Metric | ZIP 54666 | Monroe County | WI State Average |
|---|
| Population | 2,635 | 45,937 (Total) | 5,914,913 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 4.3 /sq mi | -- | -- |
| County Pop Rank | #4 of 7 | -- | -- |
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 →