Dixon is a census-designated place in Sanders County, Montana, United States. The population was 216 at the 2000 census.Dixon is located at 47°18′42″N 114°20′28″W / 47.31167°N 114.34111°W / 47.31167; -114.34111.According to the United States Census Bureau, the CDP has a total area of 6.9 square miles, of which, 6.6 square miles of it is land and 0.3 square miles of it is water.As of the census of 2000, there were 216 people, 89 households, and 54 families residing in the CDP. The population density was 32.5 people per square mile. There were 93 housing units at an average density of 14.0 per square mile. The racial makeup of the CDP was 75.46% White, 20.37% Native American, and 4.17% from two or more races. Hispanic or Latino of any race were 1.39% of the population.There were 89 households out of which 29.2% had children under the age of 18 living with them, 46.1% were married couples living together, 7.9% had a female householder with no husband present, and 39.