Scott County, Iowa
Located in Iowa, Scott County has a population of 174,608 residents and a median age of 39.4 years, making it the #394 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 11.5%. The median home value is $222,000, and the median household income is $78,277, which is 4% above the national median.
Demographics
Scott County has a population of 174,608, making it the #394 most populous county in the US. The median age is 39.4 years, which is 1.3% above the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Scott County is $78,277, ranking #656 out of 3,222 counties — 4.2% above the national median. The poverty rate is 11.5% and unemployment stands at 3.6%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Scott County is $222,000 (-21.2% vs national). Renters pay a median of $1,005/mo and the homeownership rate is 70.0%.
Median Home Value Trend
Rankings →Household Type
Education
In Scott County, 36.6% of adults age 25+ hold a bachelor's degree or higher, which is 8.6% above the national average, ranking #397 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Scott County is 77.5 years. 15.1% of adults report poor or fair health and 5.8% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
14.3% of adults in Scott County smoke , 39.2% are obese , and 23.4% report excessive drinking. The drug overdose death rate is 17.1 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Scott County is 4.9 per 100,000 and the suicide rate is 16.4 per 100,000. Motor vehicle deaths occur at a rate of 8.4 per 100,000.
Homicide Rate Trend
Families & Children
12.9% of children in Scott County live in poverty and the infant mortality rate is 3.6 per 1,000 live births. The teen birth rate is 18.1 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Scott County is 72.1%. The mean commute time is 22.2 min, which is 19.6% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Scott County voted Republican with a margin of 3.9%. The vote was 47.3% Dem / 51.2% Rep. Compared to 2020, the margin shifted 7.4 toward Republicans .
Vote Share Over Time
About Scott County, Iowa
Scott County, Iowa has a total population of 174,608, making it the 394th most populous county in the United States. The median age in Scott County is 39.4 years, which is 1.3% above the national median of 38.9 years.
The median household income in Scott County is $78,277, which ranks #656 of 3,222 counties nationwide. This is 4.2% above the national median of $75,149. The poverty rate is 11.5%, lower than the national rate of 12.6%. The unemployment rate stands at 3.6%.
The median home value in Scott County is $222,000, 21.2% below the national median. Renters in Scott County pay a median gross rent of $1,005 per month. The homeownership rate is 70.0%, compared to the national rate of 64.4%.
In Scott County, 36.6% of residents aged 25 and older hold a bachelor's degree or higher, 8.6% above the national average of 33.7%. Health insurance coverage stands at 94.8% of the population. The average commute time for workers is 22.2 min.
Scott County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 77.0% of the population, followed by Hispanic or Latino (7.4%) and Black (non-Hispanic) (7.1%).
All data for Scott County, Iowa comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.