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Sources: United States Census Bureau. 2019 American Community Survey 5-Year Estimates. U.S. Census Bureau, American Community Survey Office. Web. 10 December 2020. | United States Census Bureau. Annual Estimates of the Resident Population: April 1, 2010 to July 1, 2019. U.S. Census Bureau, Population Division. Web. May 2020. http://www.census.gov/.
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With 13,835 people, O'Brien County is the 56th most populated county in the state of Iowa out of 99 counties. But watch out, O'Brien County, because Allamakee County with 13,813 people and Cass County with 13,091 people are right behind you.
The largest O'Brien County racial/ethnic groups are White (92.5%) followed by Hispanic (4.9%) and Black (1.1%).
In 2019, the median household income of O'Brien County households was $53,703. O'Brien County households made slightly more than Black Hawk County households ($53,539) and Henry County households ($53,501) . However, 6.5% of O'Brien County families live in poverty.
The median age for O'Brien County residents is 41.9 years young.
86% of people CANNOT find the data they're looking for on the US Census Bureau website. Source: Nielsen Norman Group
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