Minidoka County, Idaho Demographics 2026
Minidoka County, Idaho has a population of 22,208, the 18th most populous county in Idaho. The median household income is $70,377 and the median home value is $262,600. The poverty rate is 14.5%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Minidoka County Quick Facts
How Minidoka County Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 21,922 | 22,208 | +1.3% |
| Median household income | $70,060 | $70,377 | +0.5% |
| Median home value | $235,300 | $262,600 | +11.6% |
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
Moderate diversity with one or two groups making up the majority.
State average: 36 | National average: 61
Education
Educational Attainment (Adults 25+)
Cities & Places in Minidoka County
Explore Idaho Rankings
Population Overview
Minidoka County is located in Idaho with a total population of 22,208. It is the 18th most populous county out of 44 in Idaho. The county encompasses 5 Census-designated places.
Age Demographics
The median age in Minidoka County is 34.9 years. This is 6% lower than the state median of 37.3 years. With 28.2% of the population under 18, Minidoka County has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in Minidoka County is $70,377. This is 10% lower than the state median of $77,800. It is also 13% lower than the national median of $80,734. The poverty rate stands at 14.5%. This is 37% higher than the state poverty rate of 10.6%. The unemployment rate is 3.4%. This is 8% lower than the state rate of 3.7%. The median home value is $262,600. Housing costs are 37% lower than the state median of $418,600. The home-value-to-income ratio is 3.7x. 69.2% of occupied housing units are owner-occupied. This homeownership rate is 4% lower than the state average of 72.1%.
Race & Ethnicity
The largest racial or ethnic group in Minidoka County is White (non-Hispanic), making up 58.8% of the population. Hispanic or Latino residents account for 37.0%. The Black or African American population (0.1%) is well below the state average of 0.7%. The Hispanic or Latino population is significantly higher than the state average (37.0% vs 13.7%). The Asian population (0.3%) is well below the state average of 1.3%.
Education
15.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 50% lower than the state rate of 31.8%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 83.0%.
Data Sources & Methodology
All figures for Minidoka County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Idaho and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.
Frequently Asked Questions
What is the population of Minidoka County, Idaho?
Minidoka County has a population of 22,208, making it the 18th most populous county in Idaho.
What is the median income in Minidoka County?
The median household income in Minidoka County is $70,377 with a poverty rate of 14.5%.
How many cities are in Minidoka County, Idaho?
Minidoka County contains 5 Census-designated places.