Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Astoria (formerly Vienna) is an incorporated town in Fulton County, Illinois, United States. The population was 1,193 at the 2000 census.Astoria is located at 40°13 39 N 90°21 28 W / 40.2275°N 90.35778°W / 40.2275; -90.35778 (40.227439, -90.357791).According to the United States Census Bureau, the town has a total area of 0.6 square miles (1.6 km2), all of it land. As of the census of 2000, there were 1,193 people, 501 households, and 328 families residing in the town. The population density was 2,020.8 people per square mile (780.7/km²). There were 541 housing units at an average density of 916.4 per square mile (354.0/km²).