| ZIP Code | 51109 |
|---|---|
| City | Sioux City |
| State | Iowa (IA) |
| County | Woodbury County |
| Area Code | 712 |
| Elevation | 1,101 ft |
| Latitude | 42.610335 |
|---|---|
| Longitude | -96.469977 |
| Timezone | Chicago (DST) |
| FIPS | 19193 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 41.2 yrs |
|---|---|
| Avg Household Size | 2.44 |
| Below Poverty | 15.1% ▲ 51% above avg |
| College Grads | 19.2% ▼ 50% below avg |
| Unemployment | 2.4% ▼ 51% below avg |
| No HS Diploma | 107 (4.8%) |
| HS Graduate | 936 (42.3%) |
| Some College | 396 (17.9%) |
| Associates | 348 (15.7%) |
| Bachelors | 352 (15.9%) |
| Graduate Degree | 72 (3.3%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $70,750 ≈ Avg ↑ 16% since 2019 |
|---|---|
| Median Home Value | $120,400 ▼ 57% below avg ↑ 25% since 2019 |
| Home/Income Ratio | 1.7x (nat avg ~3.5x) |
| Median Rent | $916/mo ↑ 12% since 2019 |
| Total Units | 1,570 |
| Vacant Units | 44 |
| Avg HH Size | 2.44 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 1,570 |
|---|---|
| Vacant | 44 |
| Owner Occupied | 84.8% |
| Renter Occupied | 15.2% |
| Avg HH Size | 2.44 |
ZIP code 51109 is located in Sioux City, Iowa, within Woodbury County. With a population of 3,731, this is a sparsely populated ZIP code with a middle-aged community — the median age is 41.2 years. Economically, 51109 is a solidly middle-class ZIP code: the median household income of $70,750 is near the national average.
Real estate in ZIP code 51109 represents one of the more affordable housing markets in the country. The median home value of $120,400 is well below the national average. Renters can expect to pay around $916 per month in median rent. Homeownership is strong here — 84.8% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 25% since 2019.
The population of 51109 is primarily White (73.68%). Residents are less-educated — 19.2% hold a bachelor's degree or higher, which is well below the national average. Poverty affects some residents at 15.1%. Household income has grown by 16% since 2019.
The unemployment rate in 51109 stands at 2.4%, which is well below the national average. As in most parts of the country, driving alone is the dominant commute mode at 88%.
Overall, ZIP code 51109 in Sioux City, IA is characterized as solidly middle-class, less-educated, a middle-aged community, and predominantly owner-occupied. With 3,731 residents, a median household income of $70,750, and a median home value of $120,400, it offers a clear picture of life in this part of Iowa.