ZIP Code 62305 Map
Census ZIP Code Tabulation Area 62305 in Quincy, IL (Adams County). ZCTA boundaries closely approximate USPS delivery areas.
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ZIP 62305 Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
19,036
Households
7,990
Median household income
$83,598
Median age
46.4 years
Median home value
$213,600
Median gross rent
$926/mo
Owner-occupied homes
84.7%
Bachelor's degree or higher
35%
Below poverty level
7.2%
Land area
139.3 sq mi
Population density
137 / sq mi