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.
Year | Population | Growth | Annual Growth Rate |
---|---|---|---|
1850 | 4,513 | 0.00% | |
1860 | 11,625 | 7,112 | 157.59% |
1870 | 27,857 | 16,232 | 139.63% |
1880 | 42,395 | 14,538 | 52.19% |
1890 | 65,410 | 23,015 | 54.29% |
1900 | 82,624 | 17,214 | 26.32% |
1910 | 110,438 | 27,814 | 33.66% |
1920 | 154,029 | 43,591 | 39.47% |
1930 | 172,837 | 18,808 | 12.21% |
1940 | 195,835 | 22,998 | 13.31% |
1950 | 226,010 | 30,175 | 15.41% |
1960 | 266,315 | 40,305 | 17.83% |
1970 | 286,101 | 19,786 | 7.43% |
1980 | 303,170 | 17,069 | 5.97% |
1990 | 327,140 | 23,970 | 7.91% |
2010 | 432,352 | 105,212 | 32.16% |
2011 | 438,737 | 6,385 | 1.48% |
2012 | 444,671 | 5,934 | 1.35% |
2013 | 452,657 | 7,986 | 1.80% |
2014 | 460,898 | 8,241 | 1.82% |
2015 | 467,304 | 6,406 | 1.39% |
2016 | 474,277 | 6,973 | 1.49% |
2017 | 480,487 | 6,210 | 1.31% |
2018 | 485,833 | 5,346 | 1.11% |
2019 | 490,161 | 4,328 | 0.89% |
2020 | 494,489 | 4,328 | 0.88% |
2021 | 498,817 | 4,328 | 0.88% |
2022 | 503,145 | 4,328 | 0.87% |
Race | Population | Percentage |
---|---|---|
White | 400,882 | 82.58% |
Black or African American | 33,808 | 6.96% |
American Indian and Alaska Native | 1,180 | 0.24% |
Asian | 23,235 | 4.79% |
Native Hawaiian and Other Pacific Islander | 417 | 0.09% |
Some Other Race | 8,538 | 1.76% |
Two or More Races | 17,358 | 3.58% |
Type | Count | Average Size | Owned |
---|---|---|---|
All | 191,125 | 2.49 | 67.1 |
Married | 87,146 | 3.19 | 86 |
Male | 8,408 | 3.28 | 67.8 |
Female | 21,566 | 3.5 | 50.1 |
Non Family | 74,005 | 1.3 | 49.6 |
3.15
Average Family Size
2.49
Average Household Size
Education Attained | Count | Percentage |
---|---|---|
Less Than 9th Grade | 11,865 | 3.68% |
9th to 12th Grade | 13,562 | 4.20% |
High School Graduate | 79,884 | 24.77% |
Some College | 63,712 | 19.75% |
Associates Degree | 32,365 | 10.03% |
Bachelors Degree | 83,767 | 25.97% |
Graduate Degree | 37,409 | 11.60% |
Race | Total | High School | Bachelors |
---|---|---|---|
White | 265,329 | 254,473 | 107,946 |
Islander | 283 | 210 | 112 |
Asian | 14,740 | 10,535 | 5,294 |
2+ Races | 5,877 | 4,863 | 1,926 |
Black | 18,267 | 15,394 | 3,578 |
Native American | 704 | 622 | 104 |
Hispanic | 19,551 | 12,410 | 2,563 |
Other Race | 4,252 | 2,336 | 422 |
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%.
$45,900
Average Earnings
$52,453
Average Male
$38,973
Average Female
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.
Name | Total | In Poverty | Poverty Rate |
---|---|---|---|
Black | 32,852 | 9,078 | 27.63% |
Islander | 417 | 105 | 25.18% |
Multiple | 17,077 | 3,979 | 23.30% |
Hispanic | 40,673 | 8,496 | 20.89% |
Native | 1,096 | 168 | 15.33% |
Asian | 23,073 | 2,476 | 10.73% |
White | 367,012 | 26,630 | 7.26% |
Other | 2,036 | NaN% |
10.36%
Overall Poverty Rate
9.29%
Male Poverty Rate
11.39%
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%.
48.4%
Overall Marriage Rate
49.8%
Male Marriage Rate
47.0%
Female Marriage Rate
The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.
Name | Veterans | % of Total |
---|---|---|
White | 21,599 | 6.96% |
Black | 847 | 3.89% |
Native American | 149 | 16.48% |
Asian | 204 | 1.19% |
Islander | 36 | 12.72% |
Other Race | 109 | 2.10% |
2+ Races | 239 | 2.84% |
Hispanic | 548 | 2.25% |
6.85%
Veteran Poverty Rate
26.96%
Veteran Disability Rate
71.7%
Labor Force Participation
68.2%
Employment Rate
4.6%
Unemployment Rate
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
68.20%
Born in Polk County, Iowa
90.91%
Native Born
9.09%
Foreign Born
5.05%
Non Citizen
4.04%
Naturalized
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.