| ZIP Code | 51105 |
|---|---|
| City | Sioux City |
| State | Iowa (IA) |
| County | Woodbury County |
| Area Code | 712 |
| Elevation | 1,119 ft |
| Latitude | 42.507867 |
|---|---|
| Longitude | -96.366338 |
| Timezone | Chicago (DST) |
| FIPS | 19193 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 30.3 yrs ↓ 4% since 2019 |
|---|---|
| Avg Household Size | 2.85 |
| Below Poverty | 22.8% ▲ 128% above avg |
| College Grads | 17.1% ▼ 56% below avg |
| Unemployment | 5.1% ≈ Avg |
| No HS Diploma | 443 (9.8%) |
| HS Graduate | 1,871 (41.5%) |
| Some College | 812 (18%) |
| Associates | 607 (13.5%) |
| Bachelors | 369 (8.2%) |
| Graduate Degree | 403 (8.9%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $46,940 ▼ 38% below avg ↓ 3% since 2019 |
|---|---|
| Median Home Value | $84,700 ▼ 70% below avg ↑ 27% since 2019 |
| Home/Income Ratio | 1.8x (nat avg ~3.5x) |
| Median Rent | $855/mo ↑ 28% since 2019 |
| Total Units | 4,197 |
| Vacant Units | 438 |
| Avg HH Size | 2.85 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 4,197 |
|---|---|
| Vacant | 438 |
| Owner Occupied | 45.2% |
| Renter Occupied | 54.8% |
| Avg HH Size | 2.85 |
ZIP code 51105 is located in Sioux City, Iowa, within Woodbury County. With a population of 10,726, this is a lightly populated ZIP code with a relatively young community — the median age is 30.3 years. Economically, 51105 is a working-class ZIP code: the median household income of $46,940 is below the national average.
Real estate in ZIP code 51105 represents one of the more affordable housing markets in the country. The median home value of $84,700 is well below the national average. Renters can expect to pay around $855 per month in median rent. The area has a relatively balanced mix of owners (45.2%) and renters (54.8%). Median home values have increased by 27% since 2019.
The population of 51105 is racially diverse, with Hispanic as the largest group at 39.8%. Residents are less-educated — 17.1% hold a bachelor's degree or higher, which is well below the national average. Poverty affects a significant share of residents at 22.8%. Household income has declined by 3% since 2019.
The unemployment rate in 51105 stands at 5.1%, which is near the national average. As in most parts of the country, driving alone is the dominant commute mode at 72%.
Overall, ZIP code 51105 in Sioux City, IA is characterized as working-class, less-educated, and a relatively young community. With 10,726 residents, a median household income of $46,940, and a median home value of $84,700, it offers a clear picture of life in this part of Iowa.