Minidoka County, Idaho
Located in Idaho, Minidoka County has a population of 22,208 residents and a median age of 34.9 years, making it the #1,764 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 14.5%. The median home value is $262,600, and the median household income is $70,377, which is 6% below the national median.
Demographics
Minidoka County has a population of 22,208, making it the #1,764 most populous county in the US. The median age is 34.9 years, which is 10.3% 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 Minidoka County is $70,377, ranking #1,172 out of 3,222 counties — 6.4% below the national median. The poverty rate is 14.5% and unemployment stands at 3.4%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Minidoka County is $262,600 (-6.8% vs national). Renters pay a median of $900/mo and the homeownership rate is 69.2%.
Median Home Value Trend
Rankings →Household Type
Education
In Minidoka County, 15.7% of adults age 25+ hold a bachelor's degree or higher, which is 53.3% below the national average, ranking #2,710 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Minidoka County is 77.0 years. 21.5% of adults report poor or fair health and 14.2% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
16.3% of adults in Minidoka County smoke , 34.8% are obese , and 16.9% report excessive drinking. The drug overdose death rate is 15.8 per 100,000.
Adult Smoking Trend
Safety
The suicide rate is 24.3 per 100,000. Motor vehicle deaths occur at a rate of 20.2 per 100,000.
Suicide Rate Trend
Families & Children
13.4% of children in Minidoka County live in poverty . The teen birth rate is 32.8 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Minidoka County is 61.9%. The mean commute time is 19.7 min, which is 28.7% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Minidoka County voted Republican with a margin of 63.2%. The vote was 17.3% Dem / 80.5% Rep. Compared to 2020, the margin shifted 4.2 toward Republicans .
Vote Share Over Time
About Minidoka County, Idaho
Minidoka County, Idaho has a total population of 22,208, making it the 1,764th most populous county in the United States. The median age in Minidoka County is 34.9 years, which is 10.3% below the national median of 38.9 years.
The median household income in Minidoka County is $70,377, which ranks #1,172 of 3,222 counties nationwide. This is 6.4% below the national median of $75,149. The poverty rate is 14.5%, higher than the national rate of 12.6%. The unemployment rate stands at 3.4%.
The median home value in Minidoka County is $262,600, 6.8% below the national median. Renters in Minidoka County pay a median gross rent of $900 per month. The homeownership rate is 69.2%, compared to the national rate of 64.4%.
In Minidoka County, 15.7% of residents aged 25 and older hold a bachelor's degree or higher, 53.3% below the national average of 33.7%. Health insurance coverage stands at 86.6% of the population. The average commute time for workers is 19.7 min.
Minidoka County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 58.8% of the population, followed by Hispanic or Latino (37.0%) and Two or More Races (2.3%).
All data for Minidoka 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.