Power County, Idaho Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 34th-largest in Idaho
The population of Power County, Idaho is 8,018 as of the 2023 American Community Survey, making it the 34th-largest county in Idaho. The median household income is $59,760, the median home value is $191,200, and the median age is 33.9.
The population of Power County has grown 6.5% since 2010 (7,873 → 8,381), a +0.45% annualized rate.
8,018
Population
+0.45%
Annual growth
6
People / sq mi
$59,760
Median Income
$191,200
Median Home Value
Power County covers 1,404 sq mi of land at 5.7 people per square mile.
About Power County, ID
Power County is a county in Idaho with a population of 8,018. It ranks #34 among counties in Idaho by population. The median age is 33.9, younger than the national median. The population is 51.8% male and 48.2% female.
The median household income in Power County is $59,760, below the US median of $74,580. 6.5% of residents live below the federal poverty level. Home values sit at a median of $191,200, with monthly rent averaging $729. The homeownership rate of 74.6% is higher than the national rate of 64.8%.
Educational attainment in Power County reflects 16.7% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 7.4% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 16.0 minutes each way.
Power County Population History (2010-2024)
The county of Power County had a population of 7,873 in 2010 and 8,381 in 2024, a 6.5% growth over 14 years. The peak was 8,381 in 2024. Average annual growth rate: 0.46%.
8,381
Population (2024)
7,873
Population (2010)
8,381
Peak (2024)
0.46%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 7,873 |
| 2011 | 7,783 |
| 2012 | 7,833 |
| 2013 | 7,794 |
| 2014 | 7,734 |
| 2015 | 7,690 |
| 2016 | 7,653 |
| 2017 | 7,587 |
| 2018 | 7,654 |
| 2019 | 7,636 |
| 2020 | 7,883 |
| 2021 | 7,980 |
| 2022 | 8,122 |
| 2023 | 8,301 |
| 2024 | 8,381 |
Race & Ethnicity
| White | 65.4% |
| Black or African American | 0.9% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 4.0% |
| Two or More Races | 0.0% |
Age & Sex
33.9
Median Age
48.2%
Female
51.8%
Male
15.7%
Age 65+
Age Distribution
Children (under 15): 24.8% · Seniors (65+): 15.7%
Income & Poverty
| Median household income | $59,760$-14,876 vs state |
| Mean household income | $72,022 |
| Per-capita income | $25,083 |
| Poverty rate | 6.5%-0.5% vs state |
| Unemployment rate | 3.9% |
| Employment-to-population | 62.9% |
Top Industries by Employment
The largest employment sector in Power County is agriculture, accounting for 27.1% of workers.
How residents commute
0.0%
Drive alone
7.4%
Carpool
73.1%
Public transit
7.4%
Work from home
16.0 min
Avg commute
Housing
$191,200$-184,800 vs state
Median home value
$729
Median rent
74.6%
Homeownership rate
2,960
Total housing units
91.5%
Occupied
8.5%
Vacant
25.4%
Renter-occupied
Social & access
83.1%
With health insurance
96.2%
With broadband internet
21.1%
Foreign-born
3.7%
Veterans (18+)
14.6%
With a disability
71.0%
Speak language other than English at home
Education
88.0%
High School+
16.7%
Bachelor's+
Largest cities in Idaho
Other counties in Idaho
Part of Idaho
Metro areas in Idaho
County rankings
Frequently Asked Questions
Power County, Idaho has a population of 8,018 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 34th-largest county in Idaho. Population density is 6 people per square mile.
The population of Power County has grown 6.5% since 2010 (7,873 → 8,381), a +0.45% annualized rate.
The median household income in Power County, Idaho is $59,760, with mean (average) household income of $72,022 and per-capita income of $25,083. 6.5% of residents live below the federal poverty level.
In Power County, the largest racial and ethnic groups are White (65.4%), Hispanic or Latino (4.0%), Black or African American (0.9%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Power County, Idaho is 33.9 years. Residents are 48.2% female and 51.8% male.
The median home value in Power County is $191,200 and median monthly rent is $729. 74.6% of occupied housing units are owner-occupied. The county has 2,960 total housing units, 8.5% of which are vacant.
The largest employment sector in Power County, Idaho is agriculture, forestry, fishing, and mining, employing 27.1% of workers. The unemployment rate is 3.9%.
Boise City is among the largest cities associated with Power County, Idaho, with a population of 235,701.
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Statewide data for Idaho
Population, race, income, age, and trends across Idaho
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.