ZIP Code 51109 Map
Census ZIP Code Tabulation Area 51109 in Sioux City, IA (Woodbury County). ZCTA boundaries closely approximate USPS delivery areas.
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ZIP 51109 Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
3,606
Households
1,447
Median household income
$79,034
Median age
39.4 years
Median home value
$130,900
Median gross rent
$627/mo
Owner-occupied homes
87%
Bachelor's degree or higher
3.4%
Below poverty level
16.1%
Land area
17.6 sq mi
Population density
205 / sq mi