| Indicators |
Iowa |
Polk County |
 |
 |
 |
| Populations |
 |
 |
 |
| Total population |
2,988,047 |
418,339 |
 |
 |
 |
| Families |
359,409 |
57,408 |
 |
 |
 |
| Children |
798,512 |
123,110 |
 |
 |
 |
| Households |
 |
 |
 |
| Average family size |
2.91 |
3.02 |
 |
 |
 |
| Family Composition |
 |
 |
 |
| One parent (female) |
21.16% |
21.86% |
 |
 |
 |
| One parent (male) |
7.28% |
7.18% |
 |
 |
 |
| Two-parent |
71.56% |
70.96% |
 |
 |
 |
| Income |
 |
 |
 |
| Median family income |
$59,587 |
$67,395 |
 |
 |
 |
| Mean family income |
$71,552 |
$84,591 |
 |
 |
 |
| Fair market rent two-bedroom apartment |
$618 |
$732 |
 |
 |
 |
| Income needed to afford two-bedroom apartment |
$24,717 |
$29,280 |
 |
 |
 |
| Employment |
 |
 |
 |
| Unemployed |
4.84% |
5.54% |
 |
 |
 |
| Families Below Poverty Level |
 |
 |
 |
| Total |
12.43% |
10.11% |
 |
 |
 |
| Children under 5 |
17.40% |
17.34% |
 |
 |
 |
| Children 5-17 |
11.49% |
9.92% |
 |
 |
 |
| Education |
 |
 |
 |
| No high school diploma |
10.37% |
8.98% |
 |
 |
 |
| High school and above |
89.63% |
91.02% |
 |
 |
 |
| Bachelor’s degree and above |
24.29% |
33.83% |
 |
 |
 |
| High school dropout rate |
2.20% |
n/a |
 |
 |
 |
| Teen Birth Rate |
 |
 |
 |
| Percent of total births to teens |
8.55% |
7.99% |
 |
 |
 |
| Birth rate ranking |
16 |
182 |
|