Demographics of Minidoka County, Idaho

Minidoka County, Idaho had 22,911 people on July 1, 2025, by the Census Bureau’s estimate: +1,242 since July 2020. Age, income, poverty, housing and origin below come from the American Community Survey, averaged over 2020–2024, each with its margin of error.

Minidoka County, in four figures

22,911
Population: July 1, 2025, Vintage 2025 estimate.; +5.7%
Change since July 2020: +1,242 people.; 34.9 ±0.8
Median age: ACS 2020–⁠2024.; $70,377 ±$7,656
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. Each year's change is births less deaths, net moves from abroad and net moves from elsewhere in the country, with the Bureau's small residual. The 2020 row's components run 3 months, from the April census to July 1.

Minidoka County, Idaho's population grew 5.7% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Minidoka County, Idaho's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

Source: The Census Bureau

About this chart

The figures

Minidoka County, Idaho's population grew 5.7% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Minidoka County, Idaho's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	21,669	100.0	100.0
2021	21,951	101.3	100.2
2022	22,214	102.5	100.7
2023	22,621	104.4	101.6
2024	22,727	104.9	102.5
2025	22,911	105.7	103.1

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Population of Minidoka County, Idaho on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	21,669	+85	+20	+1	+63
2021	21,951	+282	+55	+27	+194
2022	22,214	+263	+70	+39	+162
2023	22,621	+407	+91	+155	+163
2024	22,727	+106	+74	+57	−22
2025	22,911	+184	+86	−11	+109

Age, 2020–2024

The median age is 34.9 ±0.8: for men 35.3 ±2.6 and for women 34.8 ±0.9. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Minidoka County by age, ACS 2020–2024
Age	People	Share	Idaho	United States
Under 5	1,511 ±180	6.8% ±0.8	5.9% ±<0.1	5.6% ±<0.1
5 to 17	4,754 ±365	21.4% ±1.6	18.2% ±0.2	16.3% ±<0.1
18 to 24	1,952 ±312	8.8% ±1.4	9.8% ±0.1	9.1% ±<0.1
25 to 44	5,713 ±414	25.7% ±1.9	26.1% ±0.2	26.9% ±<0.1
45 to 64	4,702 ±359	21.2% ±1.6	23.0% ±0.2	24.8% ±<0.1
65 and over	3,576 ±353	16.1% ±1.6	17.0% ±0.2	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $70,377 ±$7,656, and income per person $33,008 ±$2,997, in 2024 dollars. The median is $77,800 ±$743 in Idaho and $80,734 ±$166 in the United States.

Households by income

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Households in Minidoka County by income, ACS 2020–2024
Household income	Households	Share	Idaho	United States
Under $25,000	1,462 ±292	18.0% ±3.6	12.5% ±0.3	14.6% ±<0.1
$25,000 to $49,999	1,404 ±309	17.3% ±3.8	17.6% ±0.4	16.7% ±<0.1
$50,000 to $74,999	1,484 ±320	18.3% ±3.9	18.1% ±0.4	15.5% ±<0.1
$75,000 to $99,999	1,232 ±277	15.2% ±3.4	14.7% ±0.4	12.6% ±<0.1
$100,000 to $149,999	1,478 ±328	18.2% ±4.0	19.3% ±0.4	17.5% ±<0.1
$150,000 to $199,999	637 ±175	7.9% ±2.2	8.7% ±0.3	9.6% ±<0.1
$200,000 or more	410 ±137	5.1% ±1.7	9.2% ±0.3	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Minidoka County by age, ACS 2020–2024
Age	Below poverty	Rate	Idaho	United States
All ages	3,220 ±649	14.5% ±2.9	10.6% ±0.3	12.5% ±0.1
Under 18	1,179 ±326	18.9% ±5.0	12.4% ±0.5	16.1% ±0.1
18 to 59	1,360 ±328	12.5% ±2.9	10.4% ±0.3	11.6% ±0.1
60 and over	681 ±181	13.7% ±3.5	9.1% ±0.4	11.0% ±<0.1

Housing, 2020–2024

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Housing in Minidoka County, ACS 2020–2024
Measure	Minidoka County	Idaho	United States
Housing units	8,644 ±23	795,014 ±223	143,775,355 ±10,234
Occupied	93.8% ±2.1	89.7% ±0.3	89.9% ±0.1
Vacant	6.2% ±2.2	10.3% ±0.3	10.1% ±0.1
Owner occupied	69.2% ±3.0	72.1% ±0.4	65.2% ±0.3
Renter occupied	30.8% ±3.2	27.9% ±0.4	34.8% ±0.1
Median home value	$262,600 ±$17,480	$418,600 ±$2,550	$332,700 ±$236
Median gross rent	$900 ±$51	$1,238 ±$16	$1,413 ±$2
Median year built	1976 ±2	1991 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Minidoka County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Idaho	United States
Hispanic or Latino	8,227 ±0	37.0% ±<0.1	13.6% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	13,055 ±155	58.8% ±0.7	78.6% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	0 to 56	0% to 0.3%	0.7% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	55 ±27	0.2% ±0.1	1.3% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	277 ±117	1.2% ±0.5	0.7% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 23	0% to 0.1%	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 116	0% to 0.5%	0.6% ±0.1	0.6% ±<0.1
Two or more races, not Hispanic	521 ±202	2.3% ±0.9	4.2% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Minidoka County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Idaho	United States
Born in the state	12,869 ±660	57.9% ±3.0	43.9% ±0.3	57.3% ±<0.1
Born in another state	6,621 ±614	29.8% ±2.8	49.1% ±0.3	26.9% ±<0.1
Born a citizen outside the states	39 to 157	0.2% to 0.7%	1.0% ±0.1	1.7% ±<0.1
Born abroad	2,620 ±403	11.8% ±1.8	5.9% ±0.2	14.1% ±<0.1
Naturalized citizens	1,309 ±403	5.9% ±1.8	2.7% ±0.1	7.4% ±<0.1
Not citizens	1,311 ±353	5.9% ±1.6	3.2% ±0.2	6.8% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Minidoka County among the counties of Idaho

18th of 44 by population, July 2025. Every one is listed on the Idaho page.

Counties of Idaho near Minidoka County in population, July 2025
County	July 2025	Change since 2020
Elmore County	29,465	+2.8%
Payette County	27,824	+8.8%
Cassia County	26,397	+6.6%
Jerome County	26,362	+8.6%
Blaine County	25,517	+4.8%
Minidoka County	22,911	+5.7%
Gem County	21,773	+13.0%
Idaho County	17,874	+7.7%
Gooding County	16,446	+5.1%
Franklin County	15,889	+11.2%
Fremont County	14,208	+5.9%

Elsewhere on the site

Rankings this appears in

No. 18 Counties by population in Idaho
No. 30 Counties by population growth in Idaho

Sources

Census Bureau population estimates — counties and Puerto Rico municipios, with components of change — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Compiled automatically from Census Bureau population estimates — counties and Puerto Rico municipios, with components of change and American Community Survey 5-year estimates — table-based Summary File by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved September 25, 2026