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Sioux County, Iowa

County

Population: 35,984 (2023 estimate)

Located in Iowa

County-level Census Bureau data covering income, housing, demographics, education, employment, and more. Counties are the primary administrative division in the U.S. and the most common unit for comparing local conditions across a state.

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Data: U.S. Census Bureau, ACS 5-Year Estimates, 2023 (released December 2024).

Quick Facts — Sioux County

What is the median household income in Sioux County?
The median household income in Sioux County is $84,736 (U.S. Census Bureau ACS 5-Year Estimates, 2023).
What is the poverty rate in Sioux County?
The poverty rate in Sioux County is 3.9% (U.S. Census Bureau ACS 2023).
What is the median home value in Sioux County?
$235,600 (U.S. Census Bureau ACS 2023).
What is the average rent in Sioux County?
The median gross rent in Sioux County is $888 per month (U.S. Census Bureau ACS 2023).
What percentage of Sioux County residents have a college degree?
30.4% of adults in Sioux County hold a bachelor's degree or higher (U.S. Census Bureau ACS 2023).
Population
35,984
Median Income
$84,736
Median Home Value
$235,600
Poverty Rate
3.9%
Unemployment (ACS 2023)
2.0%
Median Age
34.0 yrs
Since 2019 Median Income: +$14,892 (+21.3%) Home Value: +$68,100 (+40.7%) Poverty Rate: -0.1 pp (-2.5%) Bachelor's+: +1.3 pp (+4.5%) Unemployment: -0.7 pp (-25.9%)

Demographics

Total Population 35,984
Median Age 34.0
Female 49.8%
Race & Ethnicity
Hispanic or Latino 13.8% White (non-Hisp.) 83.6% Black 0.6% Asian 0.6% Two or More 5.7% Other 5.0%
Asian Subgroups (% of total pop.)
Indian
0.2%
Chinese
0.1%
Filipino
0.1%
Vietnamese
0.1%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Income & Poverty

Median Household Income $84,736 ±$5,009
+$11,589 vs. state
Per Capita Income $103,631
Median Family Income $101,452
Poverty Rate 3.9%
-3.0 pp vs. state
Child Poverty Rate 4.3%
Working-Age Poverty Rate
SNAP Recipients 3.0%
Social Security Income
Retirement Income 16.3%
Household Income Distribution
< $10k
3.8%
$10–15k
2.1%
$15–25k
5.2%
$25–35k
6.3%
$35–50k
9.4%
$50–75k
15.6%
$75–100k
16.6%
$100–150k
22.4%
$150–200k
8.8%
$200k+
9.8%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Housing

Total Housing Units 13,175
Owner-Occupied 77.8%
Renter-Occupied 22.2%
Vacancy Rate 4.5%
Median Home Value $235,600
+$39,700 vs. state
Median Gross Rent $888
Owner Cost Burden (30%+) 11.7%
Renter Cost Burden (30%+) 29.5%
Home Value Distribution
< $50k
2.9%
$50–100k
8.3%
$100–200k
12.7%
$200–300k
31.1%
$300–500k
24.5%
$500k–$1M
6.7%
$1M+
1.6%
Gross Rent Distribution
< $500
9.1%
$500–1k
55.6%
$1–1.5k
28.8%
$1.5–2k
2.9%
$2–2.5k
1.3%
$3.5k+
2.4%
Vehicle Availability
No vehicle
3.3%
1 vehicle
22.2%
2 vehicles
39.6%
3+
34.9%
Housing Type
Single-fam. det.
80.4%
Single-fam. att.
4.2%
2–4 units
1.2%
5–19 units
3.3%
20+ units
2.6%
Mobile home
2.0%
Housing Age
Pre-1940
21.5%
1940–1969
4.0%
1970–1999
17.4%
2000–2009
9.5%
2010+
8.4%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Education

High School or Higher 90.6%
Bachelor's or Higher 30.4%
-0.5 pp vs. state
Graduate Degree 8.9%
Some College / Associate 17.7%
Less Than High School 4.9%
Enrolled in School

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Employment

Labor Force Participation 71.5%
Unemployment Rate 2.0%
-1.6 pp vs. state
Work from Home 13.3%
Self-Employed 10.8%
Government Workers 10.3%
Private For-Profit 78.6%
Industry
Edu/Health
24.5%
Manufacturing
16.7%
Construction
9.5%
Agriculture
9.1%
Retail
8.9%
Arts/Entmt.
6.7%
Prof. Services
6.0%
Finance
4.4%
Transportation
3.5%
Wholesale
3.0%
Public Admin
1.9%
Information
1.1%
Occupation
Management
37.9%
Sales
18.6%
Production
16.4%
Food Prep
14.2%
Construction
12.9%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Commute

Median Travel Time 12.7 min
Drove Alone 74.3%
Carpool 7.4%
Public Transit 0.3%
Work from Home 13.3%
Walked 3.5%
Bicycle

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Households & Families

Total Households 12,576
Avg. Household Size 2.00
Avg. Family Size
Married-Couple Households 68.0%
Single-Mother Households
Single-Father Households
Living Alone
Households with Children 30.8%
Multigenerational

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Age Distribution

Under 5
7.2%
5–9
7.4%
10–14
7.9%
15–19
9.1%
20–24
9.1%
25–34
10.6%
35–44
12.3%
45–54
9.8%
55–64
4.5%
65–74
6.2%
75–84
8.5%
85+
5.4%
Under 18: 27.4% Working age (18–64): 72.6% 65 and over: 15.9%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Social Characteristics

Immigration

Foreign Born 7.6%
Naturalized Citizen 39.4%
Speaks English Less Than Very Well 4.6%
Foreign-Born Origin
Latin America
82.5%
Asia
7.2%
Europe
6.1%
Africa
0.7%

Veterans & Disability

Veteran 4.3%
With a Disability 9.1%
Cognitive Difficulty
Ambulatory Difficulty

Health Insurance

Insured 94.3%
Uninsured 5.7%
Employer Insurance
Medicaid
Medicare

Technology & Mobility

Broadband Internet 90.9%
Has a Computer 94.1%
Same House 1 Year Ago 90.1%
Moved from Abroad 0.3%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Compare Sioux County

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Where People Move From (IRS Migration Data)

Top origins of people who moved to Sioux County in 2023, by number of tax returns filed (IRS SOI Migration Data).

Origin Tax Returns People (est.)
Other flows - Midwest 149 297
Lyon County 51 96
Other flows - West 51 86
O'Brien County 45 90
Plymouth County 45 77
Minnehaha County 32 56
Other flows - South 32 54
Woodbury County 27 52