The James C. Twiss House on Page Street
|Area||1.47 sq mi (4 km2)|
|- land||1.47 sq mi (4 km2)|
|- water||0.00 sq mi (0 km2)|
|Density||1,323.1 / sq mi (511 / km2)|
|- summer (DST)||CDT (UTC-5)|
|Wikimedia Commons: Aviston, Illinois|
Aviston is located in western Clinton County at  U.S. Route 50 bypasses the village to the north, leading east 14 miles (23 km) to Carlyle, the county seat, and west 16 miles (26 km) to Interstate 64 near O'Fallon. Downtown St. Louis is 35 miles (56 km) west of Aviston..
According to the 2010 census, the village has a total area of 1.47 square miles (3.8 km2), all land.
As of the census of 2000, there were 1,231 people, 456 households, and 336 families residing in the village. The population density was 1,115.8 people per square mile (432.1/km²). There were 465 housing units at an average density of 421.5 per square mile (163.2/km²). The racial makeup of the village was 98.62% White, 0.41% African American, 0.08% Native American, 0.16% Asian, 0.41% from other races, and 0.32% from two or more races. Hispanic or Latino of any race were 0.73% of the population.
There were 456 households out of which 37.9% had children under the age of 18 living with them, 59.6% were married couples living together, 10.7% had a female householder with no husband present, and 26.1% were non-families. 23.2% of all households were made up of individuals and 9.9% had someone living alone who was 65 years of age or older. The average household size was 2.54 and the average family size was 2.99.
In the village the population was spread out with 24.7% under the age of 18, 8.3% from 18 to 24, 31.8% from 25 to 44, 17.4% from 45 to 64, and 17.8% who were 65 years of age or older. The median age was 36 years. For every 100 females there were 95.4 males. For every 100 females age 18 and over, there were 86.5 males.
The median income for a household in the village was $47,917, and the median income for a family was $58,375. Males had a median income of $37,768 versus $26,518 for females. The per capita income for the village was $20,395. About 3.5% of families and 2.8% of the population were below the poverty line, including 1.3% of those under age 18 and 6.5% of those age 65 or over.
- Aviston Elementary School
- "Geographic Identifiers: 2010 Demographic Profile Data (G001): Aviston village, Illinois". U.S. Census Bureau, American Factfinder. Retrieved August 1, 2014.
- "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23.
- "Places: Illinois". 2010 Census Gazetteer Files. United States Census Bureau. Retrieved 2012-10-13.
- "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.
|Wikivoyage has a travel guide for Aviston.|