Colfax is a town in, and the parish seat of, Grant Parish, Louisiana, United States, founded in 1869. Colfax is part of the Alexandria, Louisiana metropolitan area. The largely African American population of Colfax counted 1,558 at the 2010 census.
Colfax is located in western Grant Parish at 31°31′11″N 92°42′30″W / 31.51972°N 92.70833°W / 31.51972; -92.70833 (31.519783, -92.708446), on the northeast side of the Red River, and has an elevation of 95 feet (29.0 m) above sea level. Louisiana Highway 8 passes through the center of town, leading east 2 miles (3 km) to U.S. Route 71 and south 12 miles (19 km) to Boyce. Alexandria is 26 miles (42 km) to the southeast.
According to the United States Census 2010, Colfax has a total area of 1.5 square miles (3.9 km), of which 0.01 square miles (0.02 km), or 0.54%, is water.
As of the census of 2000, there were 1,659 people, 600 households, and 408 families residing in the town. The population density was 1,111.3 people per square mile (429.9/km²). There were 709 housing units at an average density of 474.9 per square mile (183.7/km²). The racial makeup of the town was 67.81% African American, 30.98% White, 0.06% Native American, 0.06% Pacific Islander, 0.06% from other races, and 1.02% from two or more races. Hispanic or Latino of any race were 0.54% of the population.
There were 600 households out of which 33.3% had children under the age of 18 living with them, 30.3% were married couples living together, 32.5% had a female householder with no husband present, and 32.0% were non-families. 30.3% of all households were made up of individuals and 12.8% had someone living alone who was 65 years of age or older. The average household size was 2.55 and the average family size was 3.16.
In the town, the population was spread out with 29.1% under the age of 18, 8.4% from 18 to 24, 24.4% from 25 to 44, 19.5% from 45 to 64, and 18.6% who were 65 years of age or older. The median age was 36 years. For every 100 females, there were 77.8 males. For every 100 females age 18 and over, there were 73.1 males.
The median income for a household in the town was $17,500, and the median income for a family was $20,000. Males had a median income of $25,313 versus $14,310 for females. The per capita income for the town was $10,155. About 36.3% of families and 41.0% of the population were below the poverty line, including 59.0% of those under age 18 and 25.3% of those age 65 or over.