Sioux County, Iowa Population 2018

Sioux County, Iowa's estimated population is 34,860 with a growth rate of 0.69% 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
201734,8602390.69%
201634,621-270-0.77%
201634,8912040.59%
201534,6871210.35%
201434,5661120.33%
201334,4541850.54%
201234,2692850.84%
201133,9842470.73%
201033,7373,83412.82%
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
White32,150
Some Other Race1,609
Two or More Races385
Asian246
Black or African American146
American Indian and Alaska Native81
Native Hawaiian and Other Pacific Islander4

Race Data via US Census (2016 ACS 5-Year Survey)

Sioux County, Iowa Population Pyramid 2018

0%2%4%6%8%10% Male Population0%2%4%6%8%10% Female Population80757065605550454035302520151050

Data via US Census (2016 ACS 5-Year Survey): Table S0101

Sioux County, Iowa Median Age

33.3


Total

32.6


Male

34.1


Female

Sioux County, Iowa Adults

There are 25,273 adults, (5,020 of which are seniors) in Sioux County, Iowa.

Sioux County, Iowa Age Dependency

71

Age Dependency Ratio

24.8

Old Age Dependency Ratio

46.2

Child Dependency Ratio

Sioux County, Iowa Sex Ratio

Female

17,177

49.61%

Male

17,444

50.39%

Sioux County, Iowa Households and Families

Sioux County, Iowa Renter vs Owner Occupied by Household Type

Sioux County, Iowa Household Types

Type Owner Renter
Married89.3%10.7%
All79.4%20.6%
Female62.3%37.7%
Male60.9%39.1%
Non Family59.4%40.6%

79.4%

Rate of Home Ownership

Sioux County, Iowa Households by Type

Type Count Average Size Owned
All11,9402.779.4
Married7,8863.1889.3
Non Family2,9051.2559.4
Female7223.1362.3
Male4273.0160.9

3.13

Average Family Size

2.7

Average Household Size

3.4%

Unmarried (Opposite Sex)

0.2%

Unmarried (Same Sex)

Sioux County, Iowa Households

Sioux County, Iowa Education

Sioux County, Iowa Educational Attainment by Sex (over 25)

Education Attained Count Percentage
Less Than 9th Grade1,1325.52%
9th to 12th Grade9304.53%
High School Graduate6,34530.93%
Some College3,96319.32%
Associates Degree2,63212.83%
Bachelors Degree3,88118.92%
Graduate Degree1,6337.96%

Sioux County, Iowa Educational Attainment by Race

Name Total High School Bachelors
White18,82217,5915,363
Hispanic1,46766065
Other Race7693309
Multiple Races1007638
Asian848450
Native American5446
Black38388
Islander44

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

The highest rate of bachelors degrees is among black people with a rate of 59.52%.

Sioux County, Iowa Earnings by Educational Attainment

Name Average Male Female
Overall$36,036$47,348$22,678
Less Than High School$26,178$29,712$19,680
High School Grad$29,739$41,709$20,145
Some College$36,926$50,169$22,364
Bachelors Degree$40,543$54,261$26,596
Graduate Degree$64,600$68,902$50,000

$36,036

Average Earnings

$47,348

Average Male

$22,678

Average Female

Sioux County, Iowa Language

Sioux County, Iowa Language by Age

Sioux County, Iowa Language

90.25% of Sioux County, Iowa residents speak only English, while 9.75% speak other languages. The largest non-English language is Spanish, which is spoken by 8.48% of the population.

Sioux County, Iowa Poverty

Sioux County, Iowa Poverty by Race

Name Total In Poverty Poverty Rate
White28,4031,3844.87%
Hispanic3,2631,00630.83%
Other1,54439625.65%
Multiple3544612.99%
Native792025.32%
Black7368.22%

7.59%

Overall Poverty Rate

6.33%

Male Poverty Rate

8.85%

Female Poverty Rate

Poverty in Sioux County, Iowa

The race most likely to be in poverty in Sioux County, Iowa is Hispanic, with 30.83% below the poverty level.

The race least likely to be in poverty in Sioux County, Iowa is White, with 4.87% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.58%. Among those working part-time, it was 9.83%, and for those that did not work, the poverty rate was 14.18%.

Sioux County, Iowa Poverty Rate by Education

Name Poverty
Less Than High School19.94%
High School7.05%
Some College3.52%
Bachelors or Greater1.40%

Sioux County, Iowa Poverty Rate by Employment Status and Sex

Name Poverty
Female Unemployed44.25%
Male Unemployed17.95%
Female Employed4.40%
Male Employed3.39%

Sioux County, Iowa Income

Sioux County, Iowa Income by Household Type

Name Median Mean
Households$63,466$76,266
Families$72,407$86,949
Married Families$78,550$
Non Families$35,288$41,347

Sioux County, Iowa Marital Status

Sioux County, Iowa Marital Status

Marriage Rates

61.0%

Overall Marriage Rate

61.4%

Male Marriage Rate

60.6%

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 55To64, while the female age group most likely to be married is 45To54.

Sioux County, Iowa Marital Status by Race

Sioux County, Iowa Veterans

Sioux County, Iowa Veterans by War

1,540

Number of Veterans

1,487

Male Veterans

53

Female Veterans

Name Veterans
Vietnam671
Korea214
First Gulf War171
Second Gulf War140
World War II114

Sioux County, Iowa Veterans by Age

Name Veterans
75+493
65 to 74490
55 to 64272
35 to 54188
18 to 3497

Sioux County, Iowa Veterans by Race

Name Veterans % of Total
White1,5066.33%
Hispanic432.28%
Other232.43%
Indian814.81%
Black33.16%

Sioux County, Iowa Veterans by Education

3.92%

Veteran Poverty Rate

24.37%

Veteran Disability Rate

Sioux County, Iowa Employment Status

Sioux County, Iowa Employment by Age

73.5%

Labor Force Participation

72.2%

Employment Rate

1.8%

Unemployment Rate

Sioux County, Iowa Employment by Race

Sioux County, Iowa Employment by Education

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%
Data Sources
  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