Sioux City, IA — Demographics & Statistics
ZIP code 51101 serves a portion of Sioux City, Iowa, within Woodbury County. This community is home to approximately 55,284 residents, with a median age of 43.3 years. The median household income of $54,466 sits below the national median of $67,521, while median home values of $326,796 are above the national average of $301,500. The area has a owner-majority housing profile, with 70% owner-occupied and 30% renter-occupied units. Cost of living in this part of Sioux City is lower than the national baseline, with an index of 96 (100 = national average). With a college-education rate of 55% and an unemployment rate of 5.9%, 51101 reflects the economic character of Woodbury County in Iowa.
| Category | Statistic | Value | vs. National Avg |
|---|---|---|---|
| Population | Total Population | 55,284 | — |
| Population | Density (per sq mi) | 13,732 | — |
| Economics | Median Household Income | $54,466 | ↓ 19% vs nat'l avg |
| Economics | Median Home Value | $326,796 | ↑ 8% vs nat'l avg |
| Economics | Cost of Living Index | 96 | ↓ Lower than avg |
| Economics | Unemployment Rate | 5.9% | ↑ 51% vs nat'l avg |
| Economics | Below Poverty Line | 16.4% | ↑ 44% vs nat'l avg |
| Education | College Educated (25+) | 55% | ↑ 57% vs nat'l avg |
| Demographics | Median Age | 43.3 yrs | ↑ 13% vs nat'l avg |
| Housing | Owner-Occupied | 70% | — |
| Housing | Renter-Occupied | 30% | — |
| Housing | Total Housing Units | 26,536 | — |