Population 89,603 · Census ACS 2020–24
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Population and households in Sioux City
Household size in Sioux City
| Period | Sioux City | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 2.55 | 2.44 | 2.68 |
| 2010–14 | 2.57 | 2.45 | 2.73 |
| 2015–19 | 2.59 | 2.43 | 2.71 |
| 2020–24 | 2.65 | 2.43 | 2.65 |
| Change | +0.10 | −0.01 | −0.03 |
At 2.65 people per household, Sioux City sits right at the national average. The typical household here is bigger than in Iowa overall, where it has 2.43 people. Since 2006–10, household size has climbed from 2.55, even as the national average fell.
Household size: the average number of people living in each occupied home. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25010).
Median age in Sioux City
| Period | Sioux City | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 36.4 | 38.8 | 37.7 |
| 2010–14 | 36.1 | 39.3 | 38.6 |
| 2015–19 | 36.0 | 39.7 | 39.6 |
| 2020–24 | 36.2 | 39.8 | 40.1 |
| Change | −0.2 | +1.0 | +2.3 |
The median resident of Sioux City is 36.2 years old, a few years younger than the national median of 40.1. Sioux City is younger than the great majority of Iowa cities.
Median age: the age that splits residents into two equal halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B01002).
Single-parent households in Sioux City
| Period | Sioux City | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 13.8% | 9.5% | 12.3% |
| 2010–14 | 15.6% | 9.9% | 12.3% |
| 2015–19 | 17.3% | 10.0% | 11.6% |
| 2020–24 | 16.1% | 10.0% | 11.6% |
| Change | +2.3 pts | +0.6 pts | −0.6 pts |
Single-parent households are common in Sioux City: 16.1% of all households, against 11.6% nationally. The single-parent share has risen 2.3 points since 2006–10, even as the national share fell. Of the 98 Iowa cities with 5,000+ people, only eight have a higher share of single-parent households.
Single-parent households: households where one adult with no spouse present lives with children under 18. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B11003).
Housing in Sioux City
Renters in Sioux City
| Period | Sioux City | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 33.7% | 26.8% | 33.3% |
| 2010–14 | 34.8% | 28.2% | 35.6% |
| 2015–19 | 36.3% | 28.9% | 36.0% |
| 2020–24 | 34.1% | 28.3% | 34.8% |
| Change | +0.4 pts | +1.5 pts | +1.5 pts |
Renting in Sioux City is about as common as it is nationally: 34.1% of households rent, against 34.8%. Renters make up a bigger share here than in Iowa overall (28.3%). More than four in ten owners (44.4%) have paid off their mortgages, above the national share of 39.8%. Rentals cluster in the center; owners are most common in the northeast.
Renters: occupied homes that are rented rather than owned. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25003).
Vacant homes in Sioux City
| Period | Sioux City | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 8.9% | 8.7% | 11.4% |
| 2010–14 | 7.7% | 8.6% | 11.4% |
| 2015–19 | 9.4% | 9.4% | 11.1% |
| 2020–24 | 8.1% | 8.8% | 9.6% |
| Change | −0.9 pts | +0.1 pts | −1.8 pts |
Fewer homes sit empty in Sioux City than nationally: 8.1%, against 9.6% for the U.S. The picture is much the same across Iowa. Vacancy is down 0.9 points from 2006–10, as it has nationally.
Vacant homes: homes with no one living in them, including vacation homes and homes for sale or rent. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25002).
Age of homes in Sioux City
| Period | Sioux City | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 1957 | 1965 | 1974 |
| 2010–14 | 1958 | 1967 | 1975 |
| 2015–19 | 1958 | 1969 | 1977 |
| 2020–24 | 1959 | 1971 | 1980 |
| Change | +2 | +6 | +6 |
Sioux City is a place of older homes: half were built before 1959, while the national median is 1980. That means established neighborhoods, and more houses that may need updating. The newest homes are mostly in the northeast, the oldest in the center.
Age of homes: the year that splits the housing stock into older and newer halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25035).
Rent in Sioux City
| Period | Sioux City | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | $641 | $669 | $965 |
| 2010–14 | $677 | $732 | $1,040 |
| 2015–19 | $835 | $821 | $1,213 |
| 2020–24 | $1,071 | $1,020 | $1,571 |
| Change | +$431 | +$351 | +$606 |
Rent in Sioux City runs $1,071 a month at the median, utilities included, well below the U.S. median of $1,571. Rent has climbed $431 a month since 2006–10, up 67%, faster than rents rose nationally. Rent takes 30.8% of the typical renter's income, just over the 30% mark often used to define affordable rent. The priciest rents are in the northeast; the most affordable are in the center.
Rent: monthly rent plus the utilities renters pay themselves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25064).
Education in Sioux City
Bachelor's degrees in Sioux City
| Period | Sioux City | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 20.5% | 26.5% | 28.4% |
| 2010–14 | 20.6% | 27.9% | 29.6% |
| 2015–19 | 21.7% | 29.3% | 32.1% |
| 2020–24 | 22.6% | 32.3% | 35.6% |
| Change | +2.0 pts | +5.8 pts | +7.2 pts |
College degrees are relatively uncommon in Sioux City: 22.6% of adults 25 and older hold a bachelor's or higher, well below the national share of 35.6%. The share with a degree has risen 2.0 points since 2006–10, a smaller shift than nationally. College graduates are most concentrated in the southeast and least in the center.
Bachelor's degrees: adults 25 and older with a bachelor's degree or higher. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
High school graduates in Sioux City
| Period | Sioux City | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 84.0% | 90.4% | 84.9% |
| 2010–14 | 83.3% | 91.4% | 86.1% |
| 2015–19 | 85.2% | 92.1% | 87.7% |
| 2020–24 | 85.9% | 93.0% | 89.3% |
| Change | +1.9 pts | +2.7 pts | +4.3 pts |
About one in seven adults in Sioux City never finished high school, more than nationally: 85.9% have a diploma or equivalent, against 89.3% across the U.S. The share with a diploma has risen 1.9 points since 2006–10, mirroring the country. Of the 98 Iowa cities with 5,000+ people, only four have a lower share of high school graduates.
High school graduates: adults 25 and older with a high school diploma, GED or more. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
Jobs in Sioux City
| Period | Sioux City | Iowa | U.S. |
|---|---|---|---|
| 2006–10 | 6.4% | 5.2% | 8.1% |
| 2010–14 | 6.1% | 5.4% | 9.4% |
| 2015–19 | 4.8% | 3.7% | 5.6% |
| 2020–24 | 4.2% | 3.7% | 5.4% |
| Change | −2.1 pts | −1.5 pts | −2.7 pts |
Jobs have been a little easier to find in Sioux City than nationally: unemployment was 4.2%, against 5.4%. Unemployment is down 2.1 points from 2006–10, in line with the national trend. Each figure pools five years of surveys (2020–24), so it describes that whole stretch rather than today's job market.
Unemployment: people looking for work as a share of everyone working or looking. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B23025).
Sioux City compared with nearby cities
| City | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| Sioux City | 2.65 | 36.2 | 16.1% | 34.1% | 8.1% | 1959 | $1,071 | 22.6% | 85.9% | 4.2% |
| South Sioux City | 2.97 | 32.9 | 13.9% | 41.8% | 6.7% | 1969 | $1,105 | 14.8% | 76.6% | 4.8% |
| North Sioux City | 2.35 | 40.7 | 5.0% | 35.0% | 2.8% | 2000 | $1,155 | 46.4% | 97.5% | 3.9% |
| Dakota City | 3.06 | 34.9 | 7.0% | 20.2% | 3.3% | 1978 | $885 | 10.4% | 79.9% | 4.5% |
| Sergeant Bluff | 2.80 | 40.2 | 9.5% | 25.7% | 7.6% | 1989 | $1,367 | 35.7% | 96.9% | 1.8% |
| Hinton | 2.59 | 47.9 | 5.0% | 15.0% | 2.8% | 1988 | $976 | 24.4% | 96.2% | 0.9% |
| Lawton | 2.46 | 45.0 | 3.1% | 13.4% | 4.0% | 1975 | $953 | 34.5% | 97.7% | 2.2% |
| Jefferson | 2.17 | 40.6 | 8.9% | 23.4% | 1.1% | 1986 | $1,140 | 30.8% | 92.7% | 4.8% |
| Jackson | 2.73 | 41.3 | 5.9% | 15.9% | 5.6% | 1973 | $1,023 | 19.5% | 88.8% | 2.8% |
| Neptune | 2.58 | 46.8 | 5.4% | 16.4% | 4.3% | 1978 | $889 | 23.1% | 95.7% | 1.7% |
| Bronson | 2.28 | 48.9 | 2.3% | 21.3% | 9.2% | 1973 | $1,091 | 24.0% | 99.0% | 2.1% |
All figures 2020–24.
Cities with similar populations: San Rafael, CA · Scottsdale, AZ · Santa Fe, NM · Salem, OR · San Francisco, CA · Santa Maria, CA · Santa Monica, CA · Santa Rosa, CA · Schenectady, NY · Sanford, NC
About these numbers
Every figure on this page is a BestNeighborhood calculation from the Census Bureau's American Community Survey (ACS), built up from the Census block groups that make up Sioux City. Each ACS 5-year release pools five years of responses; this page shows the last 15 releases, 2006–10 through 2020–24. Neighboring releases share four of their five years, so they move gradually and small changes between them are within the survey's margin of error; in small places the lines can jump from one release to the next for the same reason. The maps show the same measures for each neighborhood, ranked against the whole country.
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