Zip Code 58323 — Calvin, ND
58323 is a ZIP Code associated with Calvin, ND, located within Cavalier. 58323 ranks #5 out of 10 ZIP codes in Cavalier County by population (and #360 out of 388 in ND). The area supports an estimated population of 72 residents across Data Pending housing units, with a population density of 0.4 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (48.842520, -98.919230)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 58323 |
| Primary City | Calvin |
| State / Province | ND |
| County | Cavalier |
| Total Population | 72 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 0.4 people/sq mi |
| Timezone | America/Chicago |
How 58323 Compares
| Metric | ZIP 58323 | Cavalier County | ND State Average |
|---|
| Population | 72 | 3,317 (Total) | 784,123 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 0.4 /sq mi | -- | -- |
| County Pop Rank | #5 of 10 | -- | -- |
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 →