ZIP Code 51111 Map
Census ZIP Code Tabulation Area 51111 in Sioux City, IA (Woodbury County). ZCTA boundaries closely approximate USPS delivery areas.
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ZIP 51111 Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
39
Households
27
Median age
26.4 years
Owner-occupied homes
0%
Bachelor's degree or higher
0%
Below poverty level
0%
Land area
6.1 sq mi
Population density
6 / sq mi