O'Brien County, Iowa demographics
Population: 14,139
Median age: 40.7
Median household income: 62,292
Demographics, population, home values, social and economic characteristics of O'Brien County, Iowa.
Population
| 2021 | 14,139 |
| 2020 | 13,796 |
| 2019 | 13,835 |
| 2018 | 13,911 |
| 2017 | 13,944 |
| 2016 | 14,055 |
| 2015 | 14,092 |
| 2014 | 14,173 |
| 2013 | 14,249 |
| 2012 | 14,302 |
| 2011 | 14,352 |
| 2010 | 14,419 |
| 2009 | 14,062 |
O'Brien County, IA cities
Archer city - 121
Calumet city - 175
Hartley city - 1,553
Paullina city - 859
Primghar city - 934
Sanborn city - 1,364
Sheldon city - 5,475
Sutherland city - 539
Census data for O'Brien County, Iowa
Demographic and housing estimates in O'Brien County, Iowa
| Total population | 14,139 |
| Male | 7,106 |
| Female | 7,033 |
| Total population | 14,139 |
| Under 5 years | 906 |
| 5 to 9 years | 1,014 |
| 10 to 14 years | 897 |
| 15 to 19 years | 908 |
| 20 to 24 years | 742 |
| 25 to 34 years | 1,707 |
| 35 to 44 years | 1,555 |
| 45 to 54 years | 1,510 |
| 55 to 59 years | 980 |
| 60 to 64 years | 1,051 |
| 65 to 74 years | 1,479 |
| 75 to 84 years | 744 |
| 85 years and over | 646 |
| Median age (years) | 40.7 |
| Under 18 years | 3,405 |
| 16 years and over | 11,171 |
| 18 years and over | 10,734 |
| 21 years and over | 10,278 |
| 62 years and over | 3,463 |
| 65 years and over | 2,869 |
| Total population | 14,139 |
| One race | 13,844 |
| White | 13,134 |
| Black or African American | 228 |
| American Indian and Alaska Native | 61 |
| Asian | 93 |
| Native Hawaiian and Other Pacific Islander | 0 |
| Some other race | 328 |
| Two or more races | 295 |
| Citizen, VOTING AGE 18 and over population | 10,571 |
| Male Citizen, VOTING AGE 18 and over population | 5,303 |
| Female Citizen, VOTING AGE 18 and over population | 5,268 |
Social characteristics in O'Brien County, Iowa
| Total households | 5,670 |
| Family households (families) | 3,101 |
| Married-couple family | 402 |
| Male householder, no wife present, family | 1,005 |
| Female householder, no husband present, family | 811 |
| Nonfamily households | 1,162 |
| Average household size | 1,897 |
| Average family size | 2.43 |
Economic characteristics in O'Brien County, Iowa
| Total households | 5,670 |
| Less than $10,000 | 274 |
| $10,000 to $14,999 | 127 |
| $15,000 to $24,999 | 545 |
| $25,000 to $34,999 | 579 |
| $35,000 to $49,999 | 787 |
| $50,000 to $74,999 | 980 |
| $75,000 to $99,999 | 1,107 |
| $100,000 to $149,999 | 871 |
| $150,000 to $199,999 | 266 |
| $200,000 or more | 134 |
| Median household income (dollars) | 62,292 |
Housing characteristics in O'Brien County, Iowa
| Total housing units | 6,536 |
| Occupied housing units | 5,670 |
| Vacant housing units | 866 |
| Total housing units | 6,536 |
| 1-unit, detached | 5,309 |
| 1-unit, attached | 186 |
| 2 units | 40 |
| 3 or 4 units | 159 |
| 5 to 9 units | 280 |
| 10 to 19 units | 100 |
| 20 or more units | 230 |
| Mobile home | 232 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 6,536 |
| Built 2014 or later | 0 |
| Built 2010 to 2013 | 230 |
| Built 2000 to 2009 | 457 |
| Built 1990 to 1999 | 547 |
| Built 1980 to 1989 | 414 |
| Built 1970 to 1979 | 896 |
| Built 1960 to 1969 | 609 |
| Built 1950 to 1959 | 933 |
| Built 1940 to 1949 | 571 |
| Built 1939 or earlier | 1,879 |
| Total housing units | 6,536 |
| 1 room | 10 |
| 2 rooms | 173 |
| 3 rooms | 532 |
| 4 rooms | 807 |
| 5 rooms | 816 |
| 6 rooms | 910 |
| 7 rooms | 931 |
| 8 rooms | 654 |
| 9 rooms or more | 1,703 |
| Median rooms | 6.5 |
| Total housing units | 6,536 |
| No bedroom | 10 |
| 1 bedroom | 699 |
| 2 bedrooms | 1,722 |
| 3 bedrooms | 1,858 |
| 4 bedrooms | 1,617 |
| 5 or more bedrooms | 630 |
| Occupied housing units | 5,670 |
| Owner-occupied | 4,262 |
| Renter-occupied | 1,408 |
| Average household size of owner-occupied unit | 2.51 |
| Average household size of renter-occupied unit | 2.18 |
| Occupied housing units | 5,670 |
| Moved in 2017 or later | 497 |
| Moved in 2015 to 2016 | 1,171 |
| Moved in 2010 to 2014 | 1,054 |
| Moved in 2000 to 2009 | 1,238 |
| Moved in 1990 to 1999 | 753 |
| Moved in 1989 and earlier | 957 |
| Owner-occupied units | 4,262 |
| Less than $50,000 | 630 |
| $50,000 to $99,999 | 1,044 |
| $100,000 to $149,999 | 810 |
| $150,000 to $199,999 | 703 |
| $200,000 to $299,999 | 570 |
| $300,000 to $499,999 | 452 |
| $500,000 to $999,999 | 45 |
| $1,000,000 or more | 8 |
| Median (dollars) | 122,900 |
| Owner-occupied units | 4,262 |
| Housing units with a mortgage | 2,082 |
| Housing units without a mortgage | 2,180 |
| Occupied units paying rent | 1,249 |
| Less than $500 | 406 |
| $500 to $999 | 652 |
| $1,000 to $1,499 | 107 |
| $1,500 to $1,999 | 29 |
| $2,000 to $2,499 | 0 |
| $2,500 to $2,999 | 31 |
| $3,000 or more | 24 |
| Median (dollars) | 634 |
| No rent paid | 159 |
Demographic data for O'Brien County, IA and each city in the county. Lists of cities by population, wealth and poverty in O'Brien County, IA.
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