Sioux County, Iowa demographics
Population: 35,647
Median age: 33.8
Median household income: 78,179
Demographics, population, home values, social and economic characteristics of Sioux County, Iowa.
Population
| 2021 | 35,647 |
| 2020 | 34,900 |
| 2019 | 34,827 |
| 2018 | 34,825 |
| 2017 | 34,692 |
| 2016 | 34,621 |
| 2015 | 34,509 |
| 2014 | 34,261 |
| 2013 | 34,050 |
| 2012 | 33,776 |
| 2011 | 33,545 |
| 2010 | 33,377 |
| 2009 | 32,069 |
Sioux County, IA cities
Alton city - 1,380
Boyden city - 809
Chatsworth city - 54
Granville city - 324
Hawarden city - 2,675
Hospers city - 989
Hull city - 2,248
Ireton city - 518
Matlock city - 159
Maurice city - 249
Orange City city - 6,214
Rock Valley city - 4,018
Sheldon city - 5,475
Sioux Center city - 8,090
Census data for Sioux County, Iowa
Demographic and housing estimates in Sioux County, Iowa
| Total population | 35,647 |
| Male | 18,012 |
| Female | 17,635 |
| Total population | 35,647 |
| Under 5 years | 2,566 |
| 5 to 9 years | 2,628 |
| 10 to 14 years | 2,907 |
| 15 to 19 years | 3,235 |
| 20 to 24 years | 3,144 |
| 25 to 34 years | 3,760 |
| 35 to 44 years | 4,371 |
| 45 to 54 years | 3,337 |
| 55 to 59 years | 2,118 |
| 60 to 64 years | 2,085 |
| 65 to 74 years | 2,886 |
| 75 to 84 years | 1,844 |
| 85 years and over | 766 |
| Median age (years) | 33.8 |
| Under 18 years | 9,759 |
| 16 years and over | 26,888 |
| 18 years and over | 25,888 |
| 21 years and over | 23,507 |
| 62 years and over | 6,691 |
| 65 years and over | 5,496 |
| Total population | 35,647 |
| One race | 34,039 |
| White | 32,606 |
| Black or African American | 155 |
| American Indian and Alaska Native | 185 |
| Asian | 160 |
| Native Hawaiian and Other Pacific Islander | 10 |
| Some other race | 923 |
| Two or more races | 1,608 |
| Citizen, VOTING AGE 18 and over population | 24,724 |
| Male Citizen, VOTING AGE 18 and over population | 12,319 |
| Female Citizen, VOTING AGE 18 and over population | 12,405 |
Social characteristics in Sioux County, Iowa
| Total households | 12,284 |
| Family households (families) | 8,000 |
| Married-couple family | 303 |
| Male householder, no wife present, family | 1,793 |
| Female householder, no husband present, family | 1,356 |
| Nonfamily households | 2,188 |
| Average household size | 3,679 |
| Average family size | 2.72 |
Economic characteristics in Sioux County, Iowa
| Total households | 12,284 |
| Less than $10,000 | 304 |
| $10,000 to $14,999 | 366 |
| $15,000 to $24,999 | 816 |
| $25,000 to $34,999 | 870 |
| $35,000 to $49,999 | 1,255 |
| $50,000 to $74,999 | 2,297 |
| $75,000 to $99,999 | 2,477 |
| $100,000 to $149,999 | 2,532 |
| $150,000 to $199,999 | 616 |
| $200,000 or more | 751 |
| Median household income (dollars) | 78,179 |
Housing characteristics in Sioux County, Iowa
| Total housing units | 12,956 |
| Occupied housing units | 12,284 |
| Vacant housing units | 672 |
| Total housing units | 12,956 |
| 1-unit, detached | 10,544 |
| 1-unit, attached | 491 |
| 2 units | 108 |
| 3 or 4 units | 523 |
| 5 to 9 units | 390 |
| 10 to 19 units | 251 |
| 20 or more units | 336 |
| Mobile home | 313 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 12,956 |
| Built 2014 or later | 0 |
| Built 2010 to 2013 | 973 |
| Built 2000 to 2009 | 1,481 |
| Built 1990 to 1999 | 1,409 |
| Built 1980 to 1989 | 909 |
| Built 1970 to 1979 | 1,976 |
| Built 1960 to 1969 | 1,425 |
| Built 1950 to 1959 | 1,211 |
| Built 1940 to 1949 | 505 |
| Built 1939 or earlier | 3,067 |
| Total housing units | 12,956 |
| 1 room | 241 |
| 2 rooms | 259 |
| 3 rooms | 675 |
| 4 rooms | 1,091 |
| 5 rooms | 1,745 |
| 6 rooms | 2,040 |
| 7 rooms | 1,433 |
| 8 rooms | 1,825 |
| 9 rooms or more | 3,647 |
| Median rooms | 6.8 |
| Total housing units | 12,956 |
| No bedroom | 266 |
| 1 bedroom | 879 |
| 2 bedrooms | 2,579 |
| 3 bedrooms | 4,205 |
| 4 bedrooms | 3,331 |
| 5 or more bedrooms | 1,696 |
| Occupied housing units | 12,284 |
| Owner-occupied | 9,834 |
| Renter-occupied | 2,450 |
| Average household size of owner-occupied unit | 2.85 |
| Average household size of renter-occupied unit | 2.22 |
| Occupied housing units | 12,284 |
| Moved in 2017 or later | 901 |
| Moved in 2015 to 2016 | 2,888 |
| Moved in 2010 to 2014 | 2,356 |
| Moved in 2000 to 2009 | 2,966 |
| Moved in 1990 to 1999 | 1,563 |
| Moved in 1989 and earlier | 1,610 |
| Owner-occupied units | 9,834 |
| Less than $50,000 | 285 |
| $50,000 to $99,999 | 1,196 |
| $100,000 to $149,999 | 1,735 |
| $150,000 to $199,999 | 1,907 |
| $200,000 to $299,999 | 2,661 |
| $300,000 to $499,999 | 1,658 |
| $500,000 to $999,999 | 335 |
| $1,000,000 or more | 57 |
| Median (dollars) | 194,700 |
| Owner-occupied units | 9,834 |
| Housing units with a mortgage | 5,546 |
| Housing units without a mortgage | 4,288 |
| Occupied units paying rent | 2,221 |
| Less than $500 | 323 |
| $500 to $999 | 1,461 |
| $1,000 to $1,499 | 353 |
| $1,500 to $1,999 | 49 |
| $2,000 to $2,499 | 0 |
| $2,500 to $2,999 | 0 |
| $3,000 or more | 35 |
| Median (dollars) | 744 |
| No rent paid | 229 |
Demographic data for Sioux County, IA and each city in the county. Lists of cities by population, wealth and poverty in Sioux County, IA.
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