ZIP Code 61411
About Adair
Adair is an unincorporated community and census-designated place (CDP) in McDonough County, Illinois, United States. It is part of New Salem Township. As of the 2020 census, Adair had a population of 212.
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Area Profile
US Census (ACS 5-year · Gazetteer)
264
population
$91,042
median household income
7
people / sq mi
$96,000
median home value
35.0
median age
161
housing units
100
households
39.1
land area (sq mi)