Iowa
With a population of 3,210,507, Iowa is the #32 most populous state in the U.S., spanning 99 counties. The median age of residents is 38.6 years. Households earn a median income of $75,059, 0% below the national median, with a poverty rate of 11.1% and a median home value of $208,000.
Demographics
Iowa has a population of 3,210,507, making it the #32 most populous state. The median age is 38.6 years.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Language at Home
Geographic Mobility (Past Year)
Economy
The median household income in Iowa is $75,059, ranking #32 among all states. The poverty rate is 11.1% and unemployment stands at 3.6%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Iowa is $208,000. Renters pay a median of $972/mo and the homeownership rate is 71.7%.
Median Home Value Trend
Rankings →Household Type
Education
In Iowa, 31.4% of adults age 25+ hold a bachelor's degree or higher, which is 6.8% below the national average, ranking #39 out of 52 states.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Iowa is 77.9 years. 15.7% of adults report poor or fair health and 5.4% lack health insurance. 95.0% of residents have health insurance coverage (ACS). Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
16.5% of adults in Iowa smoke , 38.7% are obese , and 24.2% report excessive drinking. The drug overdose death rate is 17.5 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Iowa is 3.7 per 100,000 and the suicide rate is 17.7 per 100,000. Motor vehicle deaths occur at a rate of 11.3 per 100,000.
Homicide Rate Trend
Families & Children
13.0% of children in Iowa live in poverty and the infant mortality rate is 5.3 per 1,000 live births. The teen birth rate is 14.1 per 1,000 females age 15-19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Iowa is 72.7%. The mean commute time is 21.8 min, which is 21.0% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Iowa voted Republican with a margin of 13.3%. The vote was 42.7% Dem / 56% Rep. Compared to 2020, the margin shifted 5.1 toward Republicans .
Vote Share Over Time
Counties in Iowa
Iowa has 99 counties. The highest median income county is Dallas County at $102,379.
Highest Income Counties
| 1 | Dallas County | $102,379 |
| 2 | Warren County | $94,588 |
| 3 | Madison County | $90,855 |
| 4 | Mills County | $90,753 |
| 5 | Grundy County | $87,205 |
| 6 | Benton County | $86,962 |
| 7 | Bremer County | $86,784 |
| 8 | Sioux County | $86,098 |
| 9 | Polk County | $83,576 |
| 10 | Boone County | $83,531 |
Lowest Income Counties
| 99 | Appanoose County | $54,934 |
| 98 | Union County | $57,772 |
| 97 | Page County | $57,953 |
| 96 | Audubon County | $58,229 |
| 95 | Decatur County | $59,044 |
| 94 | Franklin County | $59,894 |
| 93 | Fayette County | $60,165 |
| 92 | Van Buren County | $61,161 |
| 91 | Jefferson County | $61,620 |
| 90 | Lucas County | $61,793 |
All 99 Counties
About Iowa
All data comes from the U.S. Census Bureau's American Community Survey (ACS) 2024 5-Year Estimates. Values are estimates and subject to margin of error. For more information, see our methodology.