| City : | Markham |
| County : | Camden County, Grays Harbor County, Hamilton County |
| State : | Washington (WA) |
| | |
| Land Area : | 1.12 sq mi |
| Water Area : | 0.02 sq mi |
| Latitude : | 46.9173877 |
| Longitude : | -123.9797773 |
| | |
| Population (2010): | 111 |
| Population Estimate (2012) : | 115 |
| Population Density : | 99.51/sq mi |
| Housing Units (2012) : | 63 |
| Median Household Income (2012) : | $30,804 (Washington : $59,374, USA : $53,046) |
| Median Family Income (2012) : | $95,486 (Washington : $71,939, USA : $64,585) |
| Median House Price (2012) : | $164,600 (Washington : $272,900, USA : $181,400) |