Anna, IL Insights: Population,
Zip Codes, Influence, and Service Areas

Anna is the largest town and retail trade center in Union County, Illinois, United States. Located in Southern Illinois, its population was 4,149 at the 2020 United States Census, a decline from 5,135 in 2000. It is known for being tied to its close neighbor Jonesboro, together known as Anna-Jonesboro, and of which the main public high school for the two towns is named. Anna is known for the Choate Mental Health and Development Center, a state facility that opened in 1869.

Zip Codes in Anna, IL that we also serve: 62906





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