ZIP Code 61272
About New Boston
New Boston is a city in Mercer County, Illinois, United States on the Mississippi River. The population was 613 at the 2020 census, down from 683 in 2010.
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Area Profile
US Census (ACS 5-year · Gazetteer)
1,463
population
$65,893
median household income
16
people / sq mi
$131,300
median home value
37.2
median age
614
housing units
554
households
89.2
land area (sq mi)