In 2023, Andover, IL had a population of 425 people with a median age of N/A and a median household income of $68,281. Between 2022 and 2023 the population of Andover, IL declined from 434 to 425, a −2.07% decrease and its median household income grew from $64,464 to $68,281, a 5.92% increase.
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None of the households in Andover, IL reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
99.5% of the residents in Andover, IL are U.S. citizens.
In 2023, the median property value in Andover, IL was $139,600, and the homeownership rate was 80%.
Most people in Andover, IL drove alone to work, and the average commute time was 28.1 minutes. The average car ownership in Andover, IL was 2 cars per household.