Aurora is a town in Brookings County, South Dakota, United States. The population was 532 at the 2010 census.
Aurora is located at 44°17′0″N 96°41′10″W / 44.28333°N 96.68611°W / 44.28333; -96.68611 (44.283215, -96.686048).
According to the United States Census Bureau, the town has a total area of 0.46 square miles (1.19 km), all of it land.
Aurora has been assigned the ZIP code 57002, and the FIPS place code 02780.
As of the census of 2010, there were 532 people, 233 households, and 144 families residing in the town. The population density was 1,156.5 inhabitants per square mile (446.5/km). There were 256 housing units at an average density of 556.5 per square mile (214.9/km). The racial makeup of the town was 95.5% White, 2.6% Native American, 0.2% Asian, and 1.7% from two or more races. Hispanic or Latino of any race were 0.9% of the population.
There were 233 households of which 29.2% had children under the age of 18 living with them, 48.5% were married couples living together, 7.3% had a female householder with no husband present, 6.0% had a male householder with no wife present, and 38.2% were non-families. 30.9% of all households were made up of individuals and 6.4% had someone living alone who was 65 years of age or older. The average household size was 2.28 and the average family size was 2.88.
The median age in the town was 33.8 years. 23.3% of residents were under the age of 18; 9.9% were between the ages of 18 and 24; 32.4% were from 25 to 44; 26.6% were from 45 to 64; and 7.9% were 65 years of age or older. The gender makeup of the town was 53.0% male and 47.0% female.
As of the census of 2000, there were 500 people, 205 households, and 136 families residing in the town. The population density was 1,090.5 people per square mile (419.7/km²). There were 221 housing units at an average density of 482.0 per square mile (185.5/km²). The racial makeup of the town was 98.00% White, 1.40% Native American, and 0.60% from two or more races.
There were 205 households out of which 36.6% had children under the age of 18 living with them, 59.0% were married couples living together, 5.9% had a female householder with no husband present, and 33.2% were non-families. 27.8% of all households were made up of individuals and 8.3% had someone living alone who was 65 years of age or older. The average household size was 2.44 and the average family size was 3.03.
In the town, the population was spread out with 25.4% under the age of 18, 11.8% from 18 to 24, 32.0% from 25 to 44, 21.8% from 45 to 64, and 9.0% who were 65 years of age or older. The median age was 33 years. For every 100 females, there were 107.5 males. For every 100 females age 18 and over, there were 102.7 males.
The median income for a household in the town was $38,456, and the median income for a family was $43,500. Males had a median income of $26,953 versus $20,089 for females. The per capita income for the town was $15,819. None of the families and 2.4% of the population were living below the poverty line, including no under eighteens and 8.8% of those over 64.