Sioux County, Iowa's estimated 2023 population is 36,523 with a growth rate of 0.6% in the past year according to the most recent United States census data. Sioux County, Iowa is the 19th largest county in Iowa. The 2010 population was 33,704 and has seen a growth of 8.36% since that time.
White
Two or more races
Other race
Asian
Black or African American
Native American
Native Hawaiian or Pacific Islander
3.16
Average Family Size
2.64
Average Household Size
80.8%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among islander people with a rate of 100%.
The highest rate of bachelors degrees is among islander people with a rate of 100%.
All
Male
Female
$40,512
Average Earnings
$50,254
Average Male
$27,148
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
91.49% of Sioux County, Iowa residents speak only English, while 8.51% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 7.73% of the population.
rate
6.62%
Overall Poverty Rate
4.99%
Male Poverty Rate
5.97%
Female Poverty Rate
The race most likely to be in poverty in Sioux County, Iowa is Hispanic, with 26.37% below the poverty level.
The race least likely to be in poverty in Sioux County, Iowa is White, with 4.49% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.25%. Among those working part-time, it was 8.7%, and for those that did not work, the poverty rate was 9.82%.
rate
rate
Households
Families
MarriedFamilies
NonFamilies
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
62.7%
Overall Marriage Rate
62.2%
Male Marriage Rate
63.2%
Female Marriage Rate
male
female
The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.
Married
Widowed
Divorced
Separated
NeverMarried
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
1,247
Number of Veterans
1,202
Male Veterans
45
Female Veterans
count
count
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
5.67%
Veteran Poverty Rate
27.75%
Veteran Disability Rate
LaborForceParticipation
72.9%
Labor Force Participation
71.2%
Employment Rate
2.2%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
66.29%
Born in Sioux County, Iowa
92.07%
Native Born
5.22%
Foreign Born
3.68%
Non Citizen
1.54%
Naturalized
92.07% of Sioux County, Iowa residents were born in the United States, with 66.29% having been born in Iowa. 3.68% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.