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 skews on age — the median resident is 33.9, younger than the national median. Power County is a county in Idaho with a population of 8,018. It ranks #34 among counties in Idaho by population.
Median household income is $59,760, below the US median of $78,538. Poverty is relatively low for US counties at 6.5%, below the national 12.4%. Homes carry a median value of $191,200, with typical rent around $729.
Degree attainment is on the lower side for US counties: 16.7% of adults hold a bachelor’s degree, below the national 35.0%. About 7.4% of the workforce is home-based, below the national 14.0%, and the average commute runs about 16 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.
Power County, ID Climate
Power County, ID has an average annual temperature of 8.1°C (47°F) and receives about 300 mm of precipitation per year. The warmest month is August and the coldest is January. Figures are 1970–2000 climate normals.
8.1°C
Avg Temp
300
Precip (mm/yr)
Aug
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -4° / 24° | 25 mm |
| February | -2° / 29° | 22 mm |
| March | 3° / 37° | 28 mm |
| April | 7° / 45° | 25 mm |
| May | 12° / 53° | 37 mm |
| June | 16° / 62° | 31 mm |
| July | 21° / 69° | 20 mm |
| August | 21° / 70° | 18 mm |
| September | 16° / 60° | 22 mm |
| October | 9° / 49° | 23 mm |
| November | 2° / 36° | 25 mm |
| December | -3° / 26° | 24 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Power County, ID
The most comfortable months to visit Power County, ID are typically August, July and June, when temperatures are mildest and rainfall is relatively low. The hottest month is August (around 31°C high). The coldest is January (near -9°C low). May is usually the wettest month.
Where to stay near Power County
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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.