Sioux County, Iowa Population 2019

Sioux County, Iowa's estimated population is 34,841 with a growth rate of -0.35% in the past year according to the most recent United States census data. Sioux County, Iowa is the 20th largest county in Iowa.

Year Population Growth Growth Rate
201834,909680.20%
201734,841-124-0.35%
201634,9651960.56%
201534,7691280.37%
201434,6411320.38%
201334,5092280.67%
201234,2812670.78%
201134,0142610.77%
201033,7533,85012.87%
199029,903-910-2.95%
198030,8132,81710.06%
197027,9961,6216.15%
196026,375-6-0.02%
195026,381-828-3.04%
194027,2094031.50%
193026,8063481.32%
192026,4581,2104.79%
191025,2481,9118.19%
190023,3374,96727.04%
189018,37012,944238.56%
18805,4264,850842.01%
18705765665660.00%
1860100.00%

Sioux County, Iowa Population Growth

Population Data via

Population by Race

Race Population
White32,377
Some Other Race1,318
Two or More Races482
Asian253
American Indian and Alaska Native128
Black or African American127
Native Hawaiian and Other Pacific Islander7

Sioux County, Iowa Population Pyramid 2019

Sioux County, Iowa Median Age

33.3


Total

32.5


Male

34.2


Female

Sioux County, Iowa Adults

There are 25,268 adults, (5,071 of whom are seniors) in Sioux County, Iowa.

Sioux County, Iowa Age Dependency

71.8

Age Dependency Ratio

25.1

Old Age Dependency Ratio

46.7

Child Dependency Ratio

Sioux County, Iowa Sex Ratio

Female

17,285

49.82%

Male

17,407

50.18%

Sioux County, Iowa Households and Families

Sioux County, Iowa Renter vs Owner Occupied by Household Type

Sioux County, Iowa Household Types

Type Owner Renter
Married90.1%9.9%
All80%20%
Male64.8%35.2%
Non Family60.5%39.5%
Female54.8%45.2%

80.0%

Rate of Home Ownership

Type Count Average Size Owned
All12,1132.6780
Married8,0093.1590.1
Non Family3,0891.2360.5
Female5583.3154.8
Male4573.364.8

3.12

Average Family Size

2.67

Average Household Size

3.2%

Unmarried (Opposite Sex)

0.1%

Unmarried (Same Sex)

Sioux County, Iowa Education

Education Attained Count Percentage
Less Than 9th Grade1,2015.85%
9th to 12th Grade8624.20%
High School Graduate6,46331.47%
Some College3,76118.32%
Associates Degree2,61012.71%
Bachelors Degree4,02319.59%
Graduate Degree1,6147.86%

Sioux County, Iowa Educational Attainment by Race

Name Total High School Bachelors
White18,75217,5195,417
Hispanic1,51170485
Other Race69333116
Multiple Races12610161
Asian10610675
Native American8044
Black433716
Islander44

The highest rate of high school graduation is among asian people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 70.75%.

Name Average Male Female
Overall$37,148$48,217$23,997
Less Than High School$28,176$31,582$17,759
High School Grad$30,091$42,207$20,102
Some College$37,797$50,784$26,206
Bachelors Degree$40,317$53,924$27,428
Graduate Degree$58,750$67,865$48,295

$37,148

Average Earnings

$48,217

Average Male

$23,997

Average Female

Sioux County, Iowa Language

Sioux County, Iowa Language by Age

Sioux County, Iowa Language

90.30% of Sioux County, Iowa residents speak only English, while 9.70% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 8.42% of the population.

Sioux County, Iowa Poverty

Sioux County, Iowa Poverty by Race

Name Total In Poverty Poverty Rate
White28,2631,4975.30%
Hispanic3,35497729.13%
Other1,25235628.43%
Multiple4435512.42%
Native12886.25%
Black70710.00%

7.88%

Overall Poverty Rate

6.67%

Male Poverty Rate

9.11%

Female Poverty Rate

Poverty in Sioux County, Iowa

The race most likely to be in poverty in Sioux County, Iowa is Hispanic, with 29.13% below the poverty level.

The race least likely to be in poverty in Sioux County, Iowa is White, with 5.30% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.26%. Among those working part-time, it was 11.96%, and for those that did not work, the poverty rate was 14.48%.

Name Poverty
Less Than High School18.15%
High School8.47%
Some College3.71%
Bachelors or Greater1.03%
Name Poverty
Female Unemployed39.69%
Male Unemployed21.85%
Female Employed4.60%
Male Employed3.91%

Sioux County, Iowa Income

Sioux County, Iowa Income by Household Type

Name Median Mean
Households$66,022$76,928
Families$75,911$87,780
Married Families$80,637-
Non Families$35,829$43,930

Sioux County, Iowa Marital Status

Sioux County, Iowa Marital Status

Marriage Rates

61.8%

Overall Marriage Rate

61.7%

Male Marriage Rate

61.9%

Female Marriage Rate

Sioux County, Iowa Married by Age and Sex

Sioux County, Iowa Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 35-44.

Sioux County, Iowa Marital Status by Race

Sioux County, Iowa Veterans

1,470

Number of Veterans

1,418

Male Veterans

52

Female Veterans

War Veterans
Vietnam711
First Gulf War207
Korea195
Second Gulf War108
World War II62

Sioux County, Iowa Veterans by Race

Name Veterans % of Total
White1,4596.11%
Hispanic110.57%
Indian810.00%
Black33.30%

Sioux County, Iowa Veterans by Education

3.91%

Veteran Poverty Rate

24.72%

Veteran Disability Rate

Sioux County, Iowa Employment Status

73%

Labor Force Participation

71.4%

Employment Rate

2.2%

Unemployment Rate

Population of Cities in Sioux County, Iowa

City 2010 Census 2016 Estimated Growth Growth Rate
Sioux Center704775014546.44%
Orange City606061791191.96%
Sheldon 51915115-76-1.46%
Rock Valley339537303359.87%
Hawarden25462527-19-0.75%
Hull21752266914.18%
Alton12241271473.84%
Hospers698709111.58%
Boyden701695-6-0.86%
Ireton612601-11-1.80%
Granville31231530.96%
Maurice27527831.09%
Matlock878700.00%
Chatsworth797900.00%
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990