ZIP code 51104: Sioux City, IA
51104 is a ZIP code in Sioux City, Iowa, mainly in Woodbury County, part of the Sioux City, IA-NE-SD metro area. About 23,197 people live here.
- Population
- 23,197
- Median household income
- $75,362
- Typical home value
- $226,800+3.3% in 12 months
- Median rent
- $998gross, per month
- Median age
- 37.5
- Homeowners
- 64.5%of occupied homes
Shaded: ZIP code 51104's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 51104 details
| City | Sioux City |
|---|---|
| State | Iowa |
| County | Woodbury County |
| Metro area | Sioux City, IA-NE-SD |
| Time zone | Central Time (UTC−6), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 7.5 sq mi |
| Population density | 3,105 people per sq mi |
| Bachelor's degree or higher | 28.9% of adults 25+ |
| Average commute | 18.5 minutes |
| Center coordinates | 42.53453, -96.40317 |
Median rent in 51104 by bedrooms
| Size | Median gross rent |
|---|---|
| 1 bedroom | $904/mo |
| 2 bedrooms | $1,047/mo |
| 3 bedrooms | $1,149/mo |
| 4 bedrooms | $1,677/mo |
Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.
ZIP codes near 51104
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 51103 | Sioux City, IA | 2.6 mi | 16,895 |
| 51105 | Sioux City, IA | 2.6 mi | 10,415 |
| 51101 | Sioux City, IA | 2.9 mi | 1,031 |
| 51108 | Sioux City, IA | 3.4 mi | 5,960 |
| 57049 | North Sioux City, SD | 5.5 mi | 7,962 |
| 68776 | South Sioux City, NE | 5.6 mi | 15,373 |
| 51109 | Sioux City, IA | 6.2 mi | 3,606 |
| 51106 | Sioux City, IA | 6.7 mi | 28,592 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 51104?
A typical home in ZIP code 51104 is worth about $226,800 (Zillow Home Value Index). The median household here earns $75,362 a year. See what buying here would cost per month, with Iowa average taxes and insurance filled in.
Monthly payment for a $226,800 homeWhat can a $75,362 income afford?Rental property numbers
About ZIP code 51104
What city is ZIP code 51104?
ZIP code 51104 is in Sioux City, IA, in Woodbury County.
What county is ZIP code 51104 in?
51104 is mainly in Woodbury County, Iowa.
What is the population of ZIP code 51104?
About 23,197 people live in ZIP code 51104, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 51104 in?
51104 is in Central Time (UTC−6). It observes daylight saving time.