County · Idaho
Power County, Idaho
Power County, Idaho. Power County had 8,246 residents in 2025 by the Census Bureau's estimate, up 4.7% since 2020, slower than Idaho (+10.4%). It holds 4 places (3 cities, villages and boroughs and 1 census-designated) and 2 census tracts. GEOID 16077.
Residents, July 2025 estimate
8,246
Census Bureau estimate (no margin published)
2020 Census count: 7,878 · ACS 2020-2024: 8,133
Median household income
$61,146
±$10,084 (90% margin)
Idaho: $77,800
Median home value
$212,900
±$33,672 (90% margin)
Idaho: $418,600
Median gross rent
$767
±$64 (90% margin)
Idaho: $1,238
How many people live in Power County, and is it growing?
The 2020 Census counted 7,878 residents in Power County. The Census Bureau estimates 8,246 for July 1, 2025, up 4.7% since 2020, slower than Idaho (+10.4%). The 2020-2024 American Community Survey puts the population at 8,133 over 1,404 square miles of land.
| Measure | Power County | Idaho | Change since 2015-2019 |
|---|---|---|---|
| Total population | 8,133 | 1,934,262 | +462 |
| Households | 2,815±92 | 713,005 | +182 |
| Average household size | 2.86±0.09 | 2.64 | no clear change |
| Housing units | 2,966±23 | 795,014 | −51 |
Power County's population since 2000
From 7,538 in 2000 to 8,246 in 2025: up 9.4%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in Power County?
Power County holds 4 places: 3 cities, villages and boroughs (incorporated places) and 1 census-designated place. The largest is American Falls with 4,785 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| American Falls | 4,568 | $57,783 |
|---|---|---|
| Arbon Valley | 666 | $61,750 |
| RocklandGEOID 1669130 | 242 | $60,395 |
| Pocatello | 56,320 | $60,418 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in Power County?
The median resident of Power County is 34.6 years old; 29.8% are under 18 and 17.0% are 65 or older. The largest group is non-Hispanic white residents at 60.5%, then Hispanic or Latino residents (of any race) at 34.3%. 12.9% of residents were born outside the United States.
| Measure | Power County | Idaho | Change since 2015-2019 |
|---|---|---|---|
| Median age | 34.6±1.6 | 37.3 | −3.7 |
| Under 18 years | 29.8% | 24.1% | – |
| 65 years and over | 17.0%±1.4 pts | 17.0% | – |
| Hispanic or Latino (any race) | 34.3% | 13.6% | +0.2 pts |
| White alone, not Hispanic | 60.5%±0.5 pts | 78.6% | −0.8 pts |
| Black or African American alone, not Hispanic | 0.4%±0.7 pts | 0.7% | – |
| Asian alone, not Hispanic | 0.0%±0.4 pts | 1.3% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.9%±0.6 pts | 0.7% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.4 pts | 0.1% | – |
| Two or more races, not Hispanic | 3.9%±1.0 pts | 4.2% | – |
| Some other race alone, not Hispanic | 0.0%±0.1 pts | 0.6% | – |
| Born outside the United States | 12.9%±3.5 pts | 5.9% | no clear change |
| Speak a language other than English at home (age 5+) | 30.7%±3.2 pts | 11.0% | – |
| Civilian veterans (age 18+) | 6.2%±2.7 pts | 8.0% | – |
| With a disability | 16.5%±3.8 pts | 14.1% | – |
| No health insurance coverage | 14.9%±4.3 pts | 9.1% | no clear change |
| High school graduate or higher (age 25+) | 87.8%±3.8 pts | 91.9% | – |
| Bachelor's degree or higher (age 25+) | 15.3%±3.9 pts | 31.8% | no clear change |
| Graduate or professional degree (age 25+) | 4.1%±1.7 pts | 10.5% | – |
| Moved from another state in the past year | 2.0%±1.5 pts | 4.6% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Power County earn?
Half of Power County's 2,815 households earn less than $61,146 a year (±$10,084), against $77,800 in Idaho. In 2015-2019 it was $60,086 in 2024 dollars; the margins of error cannot tell the two periods apart. 9.5% of residents live below the poverty line.
| Measure | Power County | Idaho | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $61,146±$10,084 | $77,800 | no clear change |
| Mean household income | $75,933±$8,107 | $102,747 | – |
| Per capita income | $26,209±$2,059 | $38,952 | no clear change |
| People below the poverty line | 9.5%±3.5 pts | 10.6% | no clear change |
| Children under 18 below the poverty line | 8.6%±5.5 pts | 12.4% | −8.9 pts |
| Households receiving SNAP | 8.9%±4.3 pts | 7.6% | – |
| Households with a broadband subscription | 90.0%±4.3 pts | 91.9% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Power County?
Owners occupy 73.7% of Power County's occupied homes and renters 26.3%. The median owner-occupied home is valued at $212,900 by its owner (±$33,672). The median renter pays $767 a month including utilities, and 27.0% of renters pay 35% or more of their income on rent.
| Measure | Power County | Idaho | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $212,900±$33,672 | $418,600 | no clear change |
| Median gross rent | $767±$64 | $1,238 | no clear change |
| Renters paying 35% or more of income on rent | 27.0%±16.6 pts | 36.9% | – |
| Median monthly owner costs, with a mortgage | $1,204±$132 | $1,687 | – |
| Owner-occupied homes | 73.7%±5.7 pts | 72.1% | no clear change |
| Housing units | 2,966±23 | 795,014 | −51 |
| Homeowner vacancy rate | 0.0%±1.7 pts | 0.7% | – |
| Rental vacancy rate | 0.0%±4.6 pts | 3.9% | – |
| Single-family detached homes | 72.0%±6.0 pts | 73.8% | – |
| Mobile homes | 20.6%±5.5 pts | 6.9% | – |
| Built 2020 or later | 1.0%±1.2 pts | 3.9% | – |
| Built 1939 or earlier | 12.0%±4.1 pts | 7.9% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Power County building?
Builders took permits for 5 new housing units across Power County in 2025 (5 single-family), 0.6 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Power County get to work?
68.3% of Power County's workers drive alone and 9.7% work from home. The average trip to work takes 16.3 minutes. The unemployment rate in 2020-2024 averaged 5.6%.
| Measure | Power County | Idaho | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 64.0%±4.9 pts | 63.0% | – |
| Unemployment rate | 5.6%±2.4 pts | 3.7% | no clear change |
| Drove alone to work | 68.3%±6.3 pts | 72.7% | – |
| Carpooled | 12.2%±4.4 pts | 8.9% | – |
| Public transportation | 0.3%±0.5 pts | 0.5% | – |
| Walked | 7.2%±3.3 pts | 2.6% | – |
| Worked from home | 9.7%±3.4 pts | 13.3% | no clear change |
| Mean travel time to work | 16.3 min±1.8 | 21.6 min | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What are Power County's census tracts?
Power County is divided into 2 census tracts. Among those with a reliable estimate, median household income runs from $60,625 (Tract 9601) to $63,352 (Tract 9602).
| Tract 960116077960100 | 1,650±232 | $60,625 |
|---|---|---|
| Tract 960216077960200 | 6,483±232 | $63,352 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Power County compare with Idaho's other counties?
| Measure | Rank |
|---|---|
| Population | 34th of 44 |
| Growth 2020-2025 | 38th of 44 |
| Residents per square mile | 29th of 44 |
| Median household income | 34th of 44 |
| Median home value | 44th of 44 |
| Median gross rent | 39th of 44 |
| Poverty rate | 35th of 43 |
| Bachelor's degree or higher | 40th of 44 |
| Median age | 35th of 44 |
Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Power County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.