Power County, Idaho

Power County: county in Idaho, United States

About

Power County is a county located in the U.S. state of Idaho. As of the 2010 census, the population was 7,817 and a population density of 2 people per km². After 9 years in 2019 county had an estimated population of 7,681 inhabitants. Its county seat is American Falls. The county was created 113 years ago in 1913.

Power County locator map
Location of Power County on Idaho map.

County Snapshot

Power County at a glance

Power County currently has 2 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.

Browse county places

Mapped populated places

2

These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.

Quick Facts about Power County

Population 7,681 (2019)
Country United States of America
State Idaho (United States)
Area 3736 km2
Water as percent of area 2.7%
Land as percent of area 97.3%
Latitude & Longitude 42.6937,-112.8407
Named for American Falls Dam
Altitude 5,646 feet / 1721 meters
Capital American Falls
Establishment January 30, 1913
Time Zone America/Boise
Local time 10:26:09 (17th April 2026)
Density 2 Pop. per km² as of 2019
Population growth -1.77% (2010-2019)
Weather 31℉ Partly Cloudy 7-days weather
Power County Courthouse image
Power County Courthouse image

Geography

Power County is located at 42°41'37"N 112°50'26"W (42.6936900, -112.8406700). It has 3 neighbors: Bannock County, Blaine County and Oneida County.

Power County map

Click "full screen" full screen map icon to open full mode. View satellite images

The largest city of Power County is American Falls with a population of 4,315. Other cities include and Rockland population 283. See all Power County cities & populated places.

Power County Populated Places

Cities, towns, neighborhoods & other populated places in Power County.

City Name Population Title
American Falls 4,315 City in Idaho
Rockland 283 City in Power County, Idaho, United States

Weather

31°F
Partly Cloudy
6 to 13 mph WSW Thursday Night

Partly cloudy, with a low around 31.

7-Day Forecast

Official website of Power County

Official Website
  • American Falls

Demographics

According to census records, the population of Power County decreased by 1.77% in 9 years.

Year Population % Change Method
2010 7,817 - census
2011 7,780 -0.48% estimation process
2012 7,830 0.64% estimation process
2013 7,791 -0.5% estimation process
2014 7,729 -0.8% estimation process
2015 7,687 -0.55% estimation process
2016 7,681 -0.08% estimation process
2017 7,606 -0.99% estimation process
2018 7,700 1.22% estimation process
2019 7,681 -0.25% estimation process
Comitatul Power, Comte de Power, Comté de Power, Condado de Power, Condado han Power, Contea di Power, Hrabstwo Power, Okrug Pauer, Pauehr, Pauur, Paver, Power, Power Kun, Power Kūn, Power konderria, Power megye, Quan Power, Quận Power, bao er xian, mqatʿt bawr, paraara ka'unti, pawa jun, shhrstan pawr aydahw, Округ Пауер, Павер, Пауър, Пауэр, Փաուեր շրջան, شهرستان پاور، آیداهو, مقاطعة باور, پاور کاؤنٹی، اڈاہو, پاور کاؤنٹی، ایڈاہو, পাৱার কাউন্টি, パワー郡, 鮑爾縣

Idaho Other Counties (more counties)

County Name Population Title
Ada County 481,587 County in Idaho, United States
Canyon County 229,849 County in Idaho, United States
Boise 228,959 The capital of Idaho.
Kootenai County 165,697 County in Idaho, United States
Bonneville County 119,062 County in Idaho, United States
Meridian 114,161 The most populous city in Ada County, Idaho.
Nampa 99,277 The most populous city in Canyon County, Idaho.
Bannock County 87,808 County in Idaho, United States
Twin Falls County 86,878 County in Idaho, United States
Idaho Falls 62,888 The most populous city in Bonneville County, Idaho.
Caldwell 58,481 The most populous city in Canyon County, Idaho.
Pocatello 56,637 The most populous city in Bannock County, Idaho.
Coeur d'Alene 52,414 A city in Kootenai County, Idaho.
Twin Falls 50,197 The most populous city in Twin Falls County, Idaho.
Bingham County 46,811 County in Idaho, United States
Bonner County 45,739 County in Idaho, United States