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Power County, ID

3 cities and towns and 3 ZIP codes in Power County, Idaho.

Population

8,133

Land area

1,404sq mi

People per sq mi

6

ZIP codes

3

Cities and towns in Power County

Power County at a glance

  • Power County is 75% less dense than Idaho as a whole.
  • Households here earn a median of $61,146 a year, 21% less than the Idaho figure of $77,800.
  • A typical owner-occupied home is valued at $212,900 (49% below Idaho) and median rent is $767 a month.
  • The biggest population centers are American Falls (4,712), Arbon Valley (562) and Rockland (228).

Local data for Power County, ID

Counts from official public data

Housing and community stats

Power County, ID, American Community Survey 2020-2024

Full profile

Median household income

$61,146

Poverty rate

9.5%

Median home value

$212,900

Prices +18.2% in a year

Median rent

$767/mo

Homeownership

73.7%

Bachelor's or higher

15.3%

Median age

34.6

Average commute

16.3 min

Largest reported origins and ancestries: Mexican Americans (2,450), German Americans (723), Irish Americans (603).

Home values and rentsIncome, education and commute

Economy and federal money

Jobs, income, federal spending and pandemic loans

Details

Unemployment rate

2.8%

Aug 2026, 0.0 pts in a year

Average annual pay

$57,901

3,919 jobs, 2025

Income per person

$47,244

BEA, 2024

Federal spending

$43.1M

FY 2026, $5,471 per person

PPP loans

$13.18M

191 loans, 2,737 jobs reported

Campaign donations

$35.46K

Itemized, 2026 cycle

EconomyFederal spendingPPP loans

How people get to work

Power County, ID, workers 16 and older. American Community Survey 5-year estimates

  • Drove alone68.3%
  • Carpooled12.2%
  • Public transit0.3%
  • Walked7.2%
  • Bicycle1.9%
  • Taxi, ride-hailing, motorcycle or other0.4%
  • Worked from home9.7%

Average one-way commute: 16.3 minutes for people who do not work from home.

Environment and hazard risk

Power County, ID, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Very Low

Top: wildfire

Storm events since 1996

458

Most often thunderstorm wind

July high / Jan low

90° / 19°F

11.1 inches of rain a year

Superfund sites

1

1 toxic release facilities

Hazards, floods and storm historyCheck a flood zone9 historic places

Health statistics

Share of adults in Power County, ID, CDC PLACES estimates

All 40 measures

Obesity

37.5%

U.S. 33.3% +4.2 pts

Diabetes

12.1%

U.S. 12.1% about the same

Smoking

13.8%

U.S. 12.8% +1.0 pts

Uninsured (18-64)

17.2%

U.S. 11.1% +6.1 pts

Cities, towns and ZIP codes in Power County

Population shown

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Frequently asked questions

What is the largest city in Power County, ID?
American Falls is the largest city or town in Power County, with about 4,712 residents.
How many ZIP codes are in Power County?
Power County includes 3 ZIP Code Tabulation Areas, including 83211, 83212, 83271.
What is the population of Power County, ID?
About 8,133 people live in Power County, based on American Community Survey 5-year estimates.
What counties border Power County?
Power County borders Bannock County, Bingham County, Cassia County, Blaine County, Oneida County.

Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023