|Area||0.2 sq mi (1 km2)|
|Density||297.2 / sq mi (115 / km2)|
|- summer (DST)||EDT (UTC-5)|
Atlantic is located at (41.506012, -80.338452).
According to the United States Census Bureau, the CDP has a total area of 0.2 square miles (0.52 km2), all of it land.
As of the census of 2000, there were 43 people, 12 households, and 9 families residing in the CDP. The population density was 294.7 people per square mile (110.7/km²). There were 15 housing units at an average density of 102.8/sq mi (38.6/km²). The racial makeup of the CDP was 100.00% White.
There were 12 households out of which 58.3% had children under the age of 18 living with them, 75.0% were married couples living together, none have a female householder with no husband present, and 16.7% were non-families. 16.7% of all households were made up of individuals and none have someone living alone who is 65 years of age or older. The average household size was 3.58 and the average family size was 4.10.
In the CDP the population was spread out with 41.9% under the age of 18, 2.3% from 18 to 24, 41.9% from 25 to 44, 11.6% from 45 to 64, and 2.3% who were 65 years of age or older. The median age was 28 years. For every 100 females there were 95.5 males. For every 100 females age 18 and over, there were 92.3 males.
The median income for a household in the CDP was $25,000, and the median income for a family was $26,250. Males had a median income of $26,250 versus $0 for females. The per capita income for the CDP was $6,534. 17.2% of the population and 16.7% of families were below the poverty line. None under the age of 18 or 65 and older are living below the poverty line.