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ZIP Code 51105
Sioux City, IA, Woodbury County
Population
10,415
Land area
6sq mi
People per sq mi
1,750
City
Sioux City
ZIP 51105 and nearby ZIP codes
ZIP 51105 at a glance
- ZIP 51105 (Sioux City) is about 30 times as dense as Iowa as a whole.
- The median household income is $51,786, 31% below the Iowa median of $75,059.
- A typical owner-occupied home is valued at $96,200 (54% below Iowa) and median rent is $859 a month.
Local data for ZIP 51105
Counts from official public data
Housing and community stats
ZIP 51105, American Community Survey 2020-2024
Median household income
$51,786
Poverty rate
21.6%
Median home value
$96,200
Prices +0.2% in a year
Median rent
$859/mo
Homeownership
48.2%
Bachelor's or higher
7.8%
Median age
29.6
Average commute
16.9 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
218
ZIP Business Patterns 2023
Employees
3,286
$167M annual payroll
PPP loans
$30M
257 loans
Campaign donations
$9,032
13% D, 56% R, 2026 cycle
Environment and hazard risk
ZIP 51105, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Moderate
Top: tornado
Storm events since 1996
1,052
Countywide, mostly hail
Flood insurance policies
173
0.5% of homes, county
July high / Jan low
86° / 9°F
30.3 inches of rain a year
Health statistics
Share of adults in ZIP 51105, CDC PLACES estimates
Obesity
44.9%
U.S. 33.3% +11.6 pts
Diabetes
15.1%
U.S. 12.1% +3.0 pts
Smoking
22.9%
U.S. 12.8% +10.1 pts
Uninsured (18-64)
20.0%
U.S. 11.1% +8.9 pts
Frequently asked questions
- What city is ZIP code 51105?
- ZIP code 51105 is in Sioux City, IA (Woodbury County).
- What county is ZIP code 51105 in?
- ZIP code 51105 is mostly in Woodbury County, Iowa.
- How many people live in ZIP code 51105?
- About 10,415 people live in the 51105 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.