Sac County, Iowa
Located in Iowa, Sac County has a population of 9,689 residents and a median age of 46.2 years, making it the #2,512 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 9.2%. The median home value is $141,400, and the median household income is $73,838, which is 2% below the national median.
Demographics
Sac County has a population of 9,689, making it the #2,512 most populous county in the US. The median age is 46.2 years, which is 18.8% 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 Sac County is $73,838, ranking #928 out of 3,222 counties — 1.7% below the national median. The poverty rate is 9.2% and unemployment stands at 4.4%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Sac County is $141,400 (-49.8% vs national). Renters pay a median of $722/mo and the homeownership rate is 78.0%.
Median Home Value Trend
Rankings →Household Type
Education
In Sac County, 22.3% of adults age 25+ hold a bachelor's degree or higher, which is 33.7% below the national average, ranking #1,608 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Sac County is 77.1 years. 13.9% of adults report poor or fair health and 5.8% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
16.1% of adults in Sac County smoke , 41.1% are obese , and 25.9% report excessive drinking.
Adult Smoking Trend
Safety
. Motor vehicle deaths occur at a rate of 22.0 per 100,000.
Motor Vehicle Deaths Trend
Families & Children
13.7% of children in Sac County live in poverty . The teen birth rate is 9.9 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Sac County is 74.3%. The mean commute time is 23.5 min, which is 14.8% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Sac County voted Republican with a margin of 51.6%. The vote was 23.7% Dem / 75.3% Rep. Compared to 2020, the margin shifted 3.3 toward Republicans .
Vote Share Over Time
About Sac County, Iowa
Sac County, Iowa has a total population of 9,689, making it the 2,512th most populous county in the United States. The median age in Sac County is 46.2 years, which is 18.8% above the national median of 38.9 years.
The median household income in Sac County is $73,838, which ranks #928 of 3,222 counties nationwide. This is 1.7% below the national median of $75,149. The poverty rate is 9.2%, lower than the national rate of 12.6%. The unemployment rate stands at 4.4%.
The median home value in Sac County is $141,400, 49.8% below the national median. Renters in Sac County pay a median gross rent of $722 per month. The homeownership rate is 78.0%, compared to the national rate of 64.4%.
In Sac County, 22.3% of residents aged 25 and older hold a bachelor's degree or higher, 33.7% below the national average of 33.7%. Health insurance coverage stands at 95.2% of the population. The average commute time for workers is 23.5 min.
Sac County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 91.8% of the population, followed by Hispanic or Latino (4.4%) and Two or More Races (2.4%).
All data for Sac 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.