Zip Code 54937 — Fond Du Lac, WI
54937 is a ZIP Code associated with Fond Du Lac, WI, located within Fond du Lac. The postal region supports an estimated population of 21,687 residents across Data Pending housing units, with a population density of 69.7 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (43.759590, -88.433350)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 54937 |
| Primary City | Fond Du Lac |
| State / Province | WI |
| County | Fond du Lac |
| Total Population | 21,687 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 69.7 people/sq mi |
| Timezone | America/Chicago |
How 54937 Compares
| Metric | ZIP 54937 | Fond du Lac County | WI State Average |
|---|
| Population | 21,687 | 112,742 | 5,914,913 |
| Median Income | Data Pending | N/A | N/A |
| Population Density | 69.7 /sq mi | -- | -- |
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 →