Zip Code 49421 — Hesperia, MI
49421 is a ZIP Code associated with Hesperia, MI, located within Oceana. 49421 ranks #2 out of 8 ZIP codes in Oceana County by population (and #449 out of 992 in MI). The area supports an estimated population of 5,734 residents across Data Pending housing units, with a population density of 17.4 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (43.599450, -86.066580)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 49421 |
| Primary City | Hesperia |
| State / Province | MI |
| County | Oceana |
| Total Population | 5,734 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 17.4 people/sq mi |
| Timezone | America/Detroit |
How 49421 Compares
| Metric | ZIP 49421 | Oceana County | MI State Average |
|---|
| Population | 5,734 | 27,512 (Total) | 10,077,716 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 17.4 /sq mi | -- | -- |
| County Pop Rank | #2 of 8 | -- | -- |
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 →