| ZIP Code | 51104 |
|---|---|
| City | Sioux City |
| State | Iowa (IA) |
| County | Woodbury County |
| Area Code | 712 |
| Elevation | 1,271 ft |
| Latitude | 42.534533 |
|---|---|
| Longitude | -96.403167 |
| Timezone | Chicago (DST) |
| FIPS | 19193 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 37.0 yrs ↑ 12% since 2019 |
|---|---|
| Avg Household Size | 2.55 |
| Below Poverty | 8.0% ▼ 20% below avg |
| College Grads | 43.4% ▲ 12% above avg |
| Unemployment | 4.7% ≈ Avg |
| No HS Diploma | 371 (2.7%) |
| HS Graduate | 3,878 (28.3%) |
| Some College | 1,636 (11.9%) |
| Associates | 1,880 (13.7%) |
| Bachelors | 1,829 (13.3%) |
| Graduate Degree | 4,128 (30.1%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $74,984 ≈ Avg ↑ 17% since 2019 |
|---|---|
| Median Home Value | $193,000 ▼ 31% below avg ↑ 34% since 2019 |
| Home/Income Ratio | 2.6x (nat avg ~3.5x) |
| Median Rent | $955/mo ↑ 13% since 2019 |
| Total Units | 9,119 |
| Vacant Units | 440 |
| Avg HH Size | 2.55 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 9,119 |
|---|---|
| Vacant | 440 |
| Owner Occupied | 64.7% |
| Renter Occupied | 35.3% |
| Avg HH Size | 2.55 |
ZIP code 51104 is located in Sioux City, Iowa, within Woodbury County. With a population of 22,792, this is a moderately populated ZIP code with a relatively young community — the median age is 37 years. Economically, 51104 is a solidly middle-class ZIP code: the median household income of $74,984 is near the national average.
Real estate in ZIP code 51104 represents an affordable housing market. The median home value of $193,000 is below the national average. Renters can expect to pay around $955 per month in median rent. Homeownership is strong here — 64.7% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 34% since 2019.
The population of 51104 is majority White (64.04%). Residents are well-educated — 43.4% hold a bachelor's degree or higher, which is near the national average. Poverty affects a relatively small share of residents at 8.0%. Household income has grown by 17% since 2019.
The unemployment rate in 51104 stands at 4.7%, which is near the national average. As in most parts of the country, driving alone is the dominant commute mode at 79%.
Overall, ZIP code 51104 in Sioux City, IA is characterized as solidly middle-class, well-educated, a relatively young community, and predominantly owner-occupied. With 22,792 residents, a median household income of $74,984, and a median home value of $193,000, it offers a clear picture of life in this part of Iowa.