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ZIP Code 51104
Sioux City, IA, Woodbury County
Population
23,197
Land area
7.5sq mi
People per sq mi
3,103
City
Sioux City
ZIP 51104 and nearby ZIP codes
ZIP 51104 at a glance
- ZIP 51104 (Sioux City) is about 54 times as dense as Iowa as a whole.
- The median household income is $75,362, close to the Iowa median.
- A typical owner-occupied home is valued at $211,100 and median rent is $998 a month.
Local data for ZIP 51104
Counts from official public data
Housing and community stats
ZIP 51104, American Community Survey 2020-2024
Median household income
$75,362
Poverty rate
10.4%
Median home value
$211,100
Prices +4.6% in a year
Median rent
$998/mo
Homeownership
64.5%
Bachelor's or higher
28.9%
Median age
37.5
Average commute
18.5 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
295
ZIP Business Patterns 2023
Employees
4,147
$200M annual payroll
PPP loans
$22.63M
420 loans
Campaign donations
$318K
13% D, 57% R, 2026 cycle
Environment and hazard risk
ZIP 51104, 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 51104, CDC PLACES estimates
Obesity
37.1%
U.S. 33.3% +3.8 pts
Diabetes
10.8%
U.S. 12.1% -1.3 pts
Smoking
14.0%
U.S. 12.8% +1.2 pts
Uninsured (18-64)
10.2%
U.S. 11.1% -0.9 pts
Cities in ZIP 51104
ZIP codes near 51104
| Name | Distance | Land area (sq mi) |
|---|---|---|
| 51105Sioux City | 2.6 mi | 6 |
| 51103Sioux City | 2.6 mi | 12.1 |
| 51108Hinton | 2.7 mi | 46 |
| 51101Sioux City | 2.9 mi | 1.2 |
| 51109Sioux City | 4.2 mi | 17.6 |
| 51106Sioux City | 6.1 mi | 33.5 |
| 57049North Sioux City | 6.2 mi | 14.2 |
| 68776South Sioux City | 6.3 mi | 22.2 |
| 51111Sioux City | 8.2 mi | 6.1 |
| 68731Dakota City | 9.3 mi | 36.4 |
| 57038Jefferson | 9.3 mi | 50.6 |
| 51030Lawton | 11 mi | 58.9 |
Frequently asked questions
- What city is ZIP code 51104?
- ZIP code 51104 is in Sioux City, IA (Woodbury County).
- What county is ZIP code 51104 in?
- ZIP code 51104 is mostly in Woodbury County, Iowa.
- How many people live in ZIP code 51104?
- About 23,197 people live in the 51104 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.