The Nevada County portion of Reader is part of the Hope Micropolitan Statistical Area, while the Ouachita County portion is part of the Camden Micropolitan Statistical Area.
According to the United States Census Bureau, the town has a total area of 6.1 km² (2.3 mi²), all land.
There were 28 households out of which 57.1% had children under the age of 18 living with them, 42.9% were married couples living together, 14.3% had a female householder with no husband present, and 32.1% were non-families. 28.6% of all households were made up of individuals and 21.4% had someone living alone who was 65 years of age or older. The average household size was 2.93 and the average family size was 3.53.
In the town the population was spread out with 42.7% under the age of 18, 7.3% from 18 to 24, 31.7% from 25 to 44, 6.1% from 45 to 64, and 12.2% who were 65 years of age or older. The median age was 24 years. For every 100 females there were 127.8 males. For every 100 females age 18 and over, there were 95.8 males.
The median income for a household in the town was $14,375, and the median income for a family was $14,583. Males had a median income of $25,938 versus $13,750 for females. The per capita income for the town was $9,037. There were 39.1% of families and 38.4% of the population living below the poverty line, including 42.9% of under eighteens and none of those over 64.