Elmore County, Idaho
Located in Idaho, Elmore County has a population of 29,321 residents and a median age of 33.1 years, making it the #1,493 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 10.5%. The median home value is $316,500, and the median household income is $65,359, which is 13% below the national median.
Demographics
Elmore County has a population of 29,321, making it the #1,493 most populous county in the US. The median age is 33.1 years, which is 14.9% below 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 Elmore County is $65,359, ranking #1,609 out of 3,222 counties — 13.0% below the national median. The poverty rate is 10.5% and unemployment stands at 4.7%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Elmore County is $316,500 (+12.3% vs national). Renters pay a median of $1,243/mo and the homeownership rate is 65.6%.
Median Home Value Trend
Rankings →Household Type
Education
In Elmore County, 22.4% of adults age 25+ hold a bachelor's degree or higher, which is 33.7% below the national average, ranking #1,606 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Elmore County is 77.4 years. 19.3% of adults report poor or fair health and 11.6% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
16.1% of adults in Elmore County smoke , 36.5% are obese , and 17.7% report excessive drinking. The drug overdose death rate is 14.0 per 100,000.
Adult Smoking Trend
Safety
The suicide rate is 19.0 per 100,000. Motor vehicle deaths occur at a rate of 17.1 per 100,000.
Suicide Rate Trend
Families & Children
14.7% of children in Elmore County live in poverty . The teen birth rate is 30.1 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Elmore County is 53.9%. The mean commute time is 23.6 min, which is 14.4% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Elmore County voted Republican with a margin of 48.5%. The vote was 24.5% Dem / 73% Rep. Compared to 2020, the margin shifted 3.0 toward Republicans .
Vote Share Over Time
About Elmore County, Idaho
Elmore County, Idaho has a total population of 29,321, making it the 1,493rd most populous county in the United States. The median age in Elmore County is 33.1 years, which is 14.9% below the national median of 38.9 years.
The median household income in Elmore County is $65,359, which ranks #1,609 of 3,222 counties nationwide. This is 13.0% below the national median of $75,149. The poverty rate is 10.5%, lower than the national rate of 12.6%. The unemployment rate stands at 4.7%.
The median home value in Elmore County is $316,500, 12.3% above the national median. Renters in Elmore County pay a median gross rent of $1,243 per month. The homeownership rate is 65.6%, compared to the national rate of 64.4%.
In Elmore County, 22.4% 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 90.9% of the population. The average commute time for workers is 23.6 min.
Elmore County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 69.5% of the population, followed by Hispanic or Latino (18.2%) and Two or More Races (5.2%).
All data for Elmore County, Idaho 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.