According to the 2010 census, Atkinson has a total area of 1.596 square miles (4.13 km2), of which 1.58 square miles (4.09 km2) (or 99%) is land and 0.016 square miles (0.04 km2) (or 1%) is water.[4]
As of the census[6] of 2000, there were 1,001 people, 432 households, and 276 families residing in the town. The population density was 663.2 inhabitants per square mile (256.1/km2). There were 453 housing units at an average density of 300.1 per square mile (115.9/km2). The racial makeup of the town was 98.5% White, 0.4% African American, 0.1% Asian, 0.3% from other races, and 0.7% from two or more races. Hispanic or Latino of any race were 1.2% of the population.
There were 432 households, out of which 28.5% had children under the age of 18 living with them, 55.1% were married couples living together, 5.6% had a female householder with no husband present, and 35.9% were non-families. 32.2% of all households were made up of individuals, and 19.2% had someone living alone who was 65 years of age or older. The average household size was 2.32 and the average family size was 2.94.
In the town, the population was spread out, with 23.7% under the age of 18, 7.7% from 18 to 24, 26.7% from 25 to 44, 22.1% from 45 to 64, and 19.9% who were 65 years of age or older. The median age was 40 years. For every 100 females, there were 92.9 males. For every 100 females age 18 and over, there were 91.5 males.
The median income for a household in the town was $35,750, and the median income for a family was $47,422. Males had a median income of $34,500 versus $22,083 for females. The per capita income for the town was $17,732. About 5.6% of families and 10.0% of the population were below the poverty line, including 11.8% of those under age 18 and 11.7% of those age 65 or over.
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