| City : | Arnold |
| County : | Cass County, Douglas County, Johnson County, Limestone County, Pike County, St. Louis County |
| State : | Minnesota (MN) |
| | |
| Land Area : | 11.54 sq mi |
| Water Area : | 0.07 sq mi |
| Latitude : | 46.8727338 |
| Longitude : | -92.1065217 |
| | |
| Population (2010): | 2,960 |
| Population Estimate (2012) : | 2,849 |
| Population Density : | 256.49/sq mi |
| Housing Units (2012) : | 1,226 |
| Median Household Income (2012) : | $67,939 (Minnesota : $59,126, USA : $53,046) |
| Median Family Income (2012) : | $73,357 (Minnesota : $74,032, USA : $64,585) |
| Median House Price (2012) : | $182,800 (Minnesota : $194,300, USA : $181,400) |