Sioux City, Iowa Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Sioux City, IA Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
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B
Health Around average
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C
Income Below average
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D
Education Well below average
Source: Map AI Methodology
Population
| Metric | Sioux City | Iowa Avg | U.S. Average |
|---|---|---|---|
| Population | 83,102 | 3,204,793 | 337,468,954 |
| Population density (per sq mi) | 1377.6 | 57.0 | 86.4 |
| Population growth (%/yr) | 0.50% | 0.41% | 0.59% |
| Median age | 33.5 | 36.8 | 37.3 |
| Households | 31,664 | 1,308,457 | 130,235,071 |
Population in Sioux City declined by 2.1% from 2009 to 2024, reaching 83,102 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Sioux City is Gen Z, aged 13–28, at 24.1% of residents. That is 1.9 points above Iowa as a whole.
- Gen Z 13–28 20,052 24.1% +1.9 pts
- Millennials 29–44 16,503 19.9% -0.6 pts
- Gen X 45–60 15,648 18.8% on par
- Boomers 61–79 12,240 14.7% -2.9 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Iowa, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 50.2% of the people living in Sioux City and men 49.8%.
- Women 50.2% Iowa 50.0%
- Men 49.8% Iowa 50.0%
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Economy
Sioux City has a the economy index of C, which means it is somewhat prosperous.
| Metric | Sioux City | Iowa Avg | U.S. Average |
|---|---|---|---|
| Median household income | $68,695 | $75,133 | $80,455 |
| Income growth (%/yr) | 5.09% | 3.99% | 4.80% |
| Unemployment rate | 4.5% | 3.6% | 5.2% |
The median household income in Sioux City is about 9% lower than in Iowa.
Housing
| Metric | Sioux City | Iowa Avg | U.S. Average |
|---|---|---|---|
| Median home price | $94,312 | $153,425 | $248,835 |
| Median rent | $985 | $971 | $1,407 |
| Homeownership rate | 65.2% | 71.7% | 65.2% |
The median home price in Sioux City is about 8.0 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $985 per month for that long.
Commute Time & Mobility
Commuters in Sioux City spend about 32 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 133 hours, about 5.6 full days, spent commuting.
| Metric | Sioux City | Iowa Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 16.0 | 17.0 | 22.4 |
| Round-trip commute (min) | 32.0 | 33.9 | 44.8 |
| Yearly time spent (hours) | 133 | 141 | 187 |
| Estimated yearly cost | $4,136 | $4,382 | $5,790 |
| Work from home | 5.1% | 11.3% | 15.0% |
| Highway traffic (vehicles/day) | 5,513 | 4,993 | 8,813 |
| Local road traffic (vehicles/day) | 1,657 | 606 | 1,355 |
The average commute time in Sioux City is 16 minutes, shorter than the 17 minutes in Iowa.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Sioux City has a education index of D, which means it is barely educated.
| Metric | Sioux City | Iowa Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 20.1% | 27.9% | 31.6% |
| Average household size | 2.54 | 2.37 | 2.53 |
Health
Sioux City has a health index of B, which means it is quite healthy.
| Metric | Sioux City | Iowa Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 76.9 | 79.2 | 78.3 |
| Self-rated poor health | 15.8% | 13.6% | 16.3% |
| Smokers | 19.8% | 17.6% | 19.0% |
Frequently Asked Questions
Common questions about Sioux City, Iowa.
What is the population of Sioux City, Iowa?
About 83,102 people live in Sioux City, Iowa, in 31,664 households of 2.5 people on average. The median age is 33.5, so residents are younger than the U.S. median of 37.3 by about 4 years.
How densely populated is Sioux City, Iowa?
Averaged over its land area, Sioux City, Iowa has 1,378 people per square mile, a density typical of urban and suburban areas. That is about 16 times the U.S. average of 86.
How affordable is housing in Sioux City, Iowa?
The median home costs 1.4 times the median household income ($94,312 against $68,695), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $985 a month takes about 17% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
How common is a college degree in Sioux City, Iowa?
20.1% of adults in Sioux City, Iowa hold a bachelor's degree or higher (about 1 in 5), well below the U.S. share of 31.6%.
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