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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

Population 22,208
Median Household Income $70,377
Median Home Value $262,600
Poverty Rate 14.5%
Unemployment Rate 3.4%
Median Age 34.9 years
Homeownership Rate 69.2%
Affordability Ratio 3.7x
Bachelor's Degree+ 15.8%
High School Graduation 83.0%
Cities/Places 5
Population 22,208 18th of 44
Median Income $70,377 10% lower than state
Poverty Rate 14.5%
Unemployment 3.4%

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.

Metric2019–20232020–2024Change
Population21,92222,208+1.3%
Median household income$70,060$70,377+0.5%
Median home value$235,300$262,600+11.6%

Economy & Housing

Household Income Distribution

Under $25K 18.0%
$25K-$50K 17.3%
$50K-$100K 33.5%
$100K+ 31.1%
Detailed income brackets
Under $10K
3.7%
$10K-$15K
6.9%
$15K-$20K
4.6%
$20K-$25K
2.8%
$25K-$30K
3.2%
$30K-$35K
2.6%
$35K-$40K
4.2%
$40K-$45K
3.7%
$45K-$50K
3.6%
$50K-$60K
7.9%
$60K-$75K
10.4%
$75K-$100K
15.2%
$100K-$125K
11.5%
$125K-$150K
6.8%
$150K-$200K
7.9%
$200K+
5.1%

Employment

3.4% Unemployment Rate State: 3.7%|National: 5.2%
64.8% Labor Force Participation

Housing Overview

Owner 69.2%
Renter 30.8%
Affordability Index Affordable
3.7x home value to income ratio
Median gross rent $900/mo 15.3% of median household income annually

People & Demographics

Diversity Index

52out of 100
Moderate Diversity

Moderate diversity with one or two groups making up the majority.

State average: 36 | National average: 61

Education

Cities & Places in Minidoka County

CityPopulationMedian IncomePovertyHome Value
Rupert6,190$54,74119.4%$205,200
Heyburn3,693$64,17920.8%$237,800
Paul1,586$66,50011.4%$268,100
Minidoka179$41,73616.8%$112,500
Acequia153N/A7.8%$95,600

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.