Haines was platted in 1885 or 1886 along the Oregon Railway and Navigation Company rail line; it was a stage stop before then.[5] According to the United States Census Bureau, the city has a total area of 0.76 square miles (1.97 km2), all of it land.[6] The region experiences warm (but not hot) and dry summers, with no average monthly temperatures above 71.6 °F (22.0 °C).The racial makeup of the city was 95.77% White, 1.64% Native American, 0.47% Asian, and 2.11% from two or more races.50.3% were married couples living together, 12.0% had a female householder with no husband present, and 30.6% were non-families.