ZIP Code 51106 Map
Census ZIP Code Tabulation Area 51106 in Sioux City, IA (Woodbury County). ZCTA boundaries closely approximate USPS delivery areas.
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ZIP 51106 Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
28,592
Households
11,249
Median household income
$78,434
Median age
36.4 years
Median home value
$200,200
Median gross rent
$1,117/mo
Owner-occupied homes
70.2%
Bachelor's degree or higher
28.6%
Below poverty level
13.6%
Land area
33.5 sq mi
Population density
854 / sq mi