How many people live in Power County, ID?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 8,400 people living in Power County, ID. That makes Power County the 34th-most populous county in Idaho. It is home to 0.41% of people living in the state.
8.38K
population of Power County, ID (2024)
0.41%
County share of the Idaho population (2024)
About 8,400 people lived in Power County, ID in 2024.
Population estimates, 2000–2024
What are Power County, ID’s age demographics?
About 1,400 Power County residents are aged 65 and older in 2024. That represents 17% of its population. For comparison, the age group represents 17.7% of Idaho’s population and 18% in the US overall.
Another 2,400 Power County residents, or 28.3% of the population, were children under 18. For comparison, the age group represents 23.4% of Idaho’s population and 21.6% in the US overall.
A higher share of Power County, ID's population is aged under 18 than the US as a whole.
Population estimates by age group, (2024)
What are Power County, ID’s racial and ethnic demographics?
Non-Hispanic white residents make up 59.8% of the Power County, ID population, higher than the national share of 57.5%. Power County, ID also has a larger share of people identifying as Hispanic (35.4%) than the US overall (20%).
In contrast, Power County’s non-Hispanic Black or African American population accounts for 0.48%, below the 12.6% nationwide, and the non-Hispanic Asian population makes up 0.48% of the county, compared with 6.5% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Power County, ID has a higher share of a Hispanic population than Idaho as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Power County, ID is American Falls with about 4,900 residents in 2024.
Cities and towns in Power County, ID ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | American Falls | 4,863 |
| 2. | Rockland | 263 |
| 3. | Pocatello (pt.) | |
| 4. | Balance of Power County | 3,255 |
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.
