ZIP Code 61081 Map
Census ZIP Code Tabulation Area 61081 in Sterling, IL (Whiteside County). ZCTA boundaries closely approximate USPS delivery areas.
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ZIP 61081 Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
20,844
Households
8,884
Median household income
$67,586
Median age
43.3 years
Median home value
$123,400
Median gross rent
$870/mo
Owner-occupied homes
72.8%
Bachelor's degree or higher
22.2%
Below poverty level
12.2%
Land area
124.4 sq mi
Population density
168 / sq mi