About This Place
Ava is a city in Jackson County, Illinois, United States. The population was 662 at the 2000 census.
Ava is located at 37°53′22″N 89°29′47″W / 37.88944°N 89.49639°W / 37.88944; -89.49639 (37.889346, -89.496355).
According to the United States Census Bureau, the city has a total area of 1.1 square miles (2.8 km²), of which, 1.1 square miles (2.7 km²) of it is land and 0.93% is water.