| City : | Index Town |
| County : | Marathon County, Snohomish County |
| State : | Washington (WA) |
| | |
| Land Area : | 0.23 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 47.8213053 |
| Longitude : | -121.5558997 |
| | |
| Population (2010): | 178 |
| Population Estimate (2012) : | 163 |
| Population Density : | 787.97/sq mi |
| Housing Units (2012) : | 116 |
| Median Household Income (2012) : | $55,625 (Washington : $59,374, USA : $53,046) |
| Median Family Income (2012) : | $60,114 (Washington : $71,939, USA : $64,585) |
| Median House Price (2012) : | $227,100 (Washington : $272,900, USA : $181,400) |