| City : | Armstrong City |
| County : | Hamilton County, Howard County |
| State : | Missouri (MO) |
| | |
| Land Area : | 0.82 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 39.2691800 |
| Longitude : | -92.7041725 |
| | |
| Population (2010): | 284 |
| Population Estimate (2012) : | 323 |
| Population Density : | 346.18/sq mi |
| Housing Units (2012) : | 137 |
| Median Household Income (2012) : | $31,964 (Missouri : $47,333, USA : $53,046) |
| Median Family Income (2012) : | $32,500 (Missouri : $59,395, USA : $64,585) |
| Median House Price (2012) : | $35,600 (Missouri : $138,400, USA : $181,400) |