Polk County, Iowa's estimated population is 503,145 with a growth rate of 0.87% in the past year according to the most recent United States census data. Polk County, Iowa is the 2nd largest county in Iowa. The 2010 Population was 432,352 and has seen a growth of 16.37% since this time.
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The highest rate of high school graduation is among white people with a rate of 95.91%.
The highest rate of bachelors degrees is among white people with a rate of 40.68%.
86.58% of Polk County, Iowa residents speak only English, while 13.42% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 5.71% of the population.
Overall Poverty Rate
Male Poverty Rate
Female Poverty Rate
The race most likely to be in poverty in Polk County, Iowa is Black, with 27.63% below the poverty level.
The race least likely to be in poverty in Polk County, Iowa is Other, with NaN% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 2.08%. Among those working part-time, it was 14.92%, and for those that did not work, the poverty rate was 19.01%.
Veteran Poverty Rate
Veteran Disability Rate
Labor Force Participation
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Born in Polk County, Iowa
90.91% of Polk County, Iowa residents were born in the United States, with 68.20% having been born in Iowa. 5.05% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.