|Choctaw County and the state of Alabama|
|• Total||5.2 sq mi (13.6 km2)|
|• Land||5.2 sq mi (13.6 km2)|
|• Water||0 sq mi (0 km2)|
|Elevation||233 ft (71 m)|
|• Density||101.7/sq mi (38.9/km2)|
|Time zone||Central (CST) (UTC-6)|
|• Summer (DST)||CDT (UTC-5)|
|GNIS feature ID||0126840|
Silas is located at 31°46'17.850" North, 88°19'51.568" West (31.771625, -88.330991).
According to the U.S. Census Bureau, the town has a total area of 5.2 square miles (13 km2), all of it land.
As of the census of 2000, there were 529 people, 220 households, and 157 families residing in the town. The population density was 100.8 people per square mile (38.9/km²). There were 260 housing units at an average density of 49.5 per square mile (19.1/km²). The racial makeup of the town was 71.83% White, 25.71% Black or African American, 0.19% from other races, and 2.27% from two or more races. 0.19% of the population were Hispanic or Latino of any race.
There were 220 households out of which 29.5% had children under the age of 18 living with them, 55.9% were married couples living together, 15.0% had a female householder with no husband present, and 28.6% were non-families. 27.7% of all households were made up of individuals and 8.6% had someone living alone who was 65 years of age or older. The average household size was 2.40 and the average family size was 2.94.
In the town the population was spread out with 26.3% under the age of 18, 6.2% from 18 to 24, 28.0% from 25 to 44, 25.0% from 45 to 64, and 14.6% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 88.3 males. For every 100 females age 18 and over, there were 86.6 males.
The median income for a household in the town was $20,882, and the median income for a family was $25,833. Males had a median income of $27,955 versus $18,500 for females. The per capita income for the town was $14,074. About 16.5% of families and 19.0% of the population were below the poverty line, including 27.1% of those under age 18 and 11.6% of those age 65 or over.