Zip Code 58445 — Grace City, ND
58445 is a ZIP Code associated with Grace City, ND, located within Foster. 58445 ranks #3 out of 3 ZIP codes in Foster County by population (and #321 out of 388 in ND). The area supports an estimated population of 145 residents across Data Pending housing units, with a population density of 0.8 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (47.570360, -98.788690)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 58445 |
| Primary City | Grace City |
| State / Province | ND |
| County | Foster |
| Total Population | 145 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 0.8 people/sq mi |
| Timezone | America/Chicago |
How 58445 Compares
| Metric | ZIP 58445 | Foster County | ND State Average |
|---|
| Population | 145 | 3,266 (Total) | 784,123 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 0.8 /sq mi | -- | -- |
| County Pop Rank | #3 of 3 | -- | -- |
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 →