Rexford is a town in Lincoln County, Montana, United States. The population was 105 at the 2010 census.
Rexford is located at 48°53′57″N 115°10′7″W (48.899254, -115.168681).
According to the United States Census Bureau, the town has a total area of 0.10 square miles (0.26 km2), all of it land.
Rexford was originally located on the Kootenai River, but with the damming of the river in the 1970s the original townsite was flooded and the town was moved to its current location approximately 10 miles west of Eureka on Montana Highway 37.
This climatic region is typified by large seasonal temperature differences, with warm to hot (and often humid) summers and cold (sometimes severely cold) winters. According to the Köppen Climate Classification system, Rexford has a humid continental climate, abbreviated "Dfb" on climate maps.
As of the census of 2010, there were 105 people, 50 households, and 31 families living in the town. The population density was 1,050.0 inhabitants per square mile (405.4/km2). There were 99 housing units at an average density of 990.0 per square mile (382.2/km2). The racial makeup of the town was 94.3% White, 4.8% Native American, and 1.0% from two or more races. Hispanic or Latino of any race were 3.8% of the population.
There were 50 households of which 16.0% had children under the age of 18 living with them, 48.0% were married couples living together, 4.0% had a female householder with no husband present, 10.0% had a male householder with no wife present, and 38.0% were non-families.