USA
> North Dakota > Zip Code 58274
| Zip Code : | 58274 |
| City : | Mayville city, Portland city |
| County : | Steele County, Traill County |
| State : | North Dakota (ND) |
| Land Area : | 130.65 sq mi |
| Water Area : | 0.20 sq mi |
| Latitude : | 47.4918962 |
| Longitude : | -97.4885485 |
| Population (2010): | 953 |
| Population Estimate (2012) : | 1,186 |
| Population Density : | 7.29/sq mi |
| Housing Units (2012) : | 453 |
| Median Household Income (2012) : | $56,250 (North Dakota : $51,641, USA : $53,046) |
| Median Family Income (2012) : | $62,500 (North Dakota : $68,293, USA : $64,585) |
| Median House Price (2012) : | $108,500 (North Dakota : $123,900, USA : $181,400) |