• county
  • FIPS 16077
  • Largest town: American Falls

Power County, Idaho

Power County had 8,381 residents in the Census Vintage 2024 estimate, on 1,403.8 square miles of land. It ranks 34th of 44 in Idaho by population and 21st by land area.

Population
8,381
#34 of 44 in Idaho · #2,548 in US
Area
1,403.8 sq mi
#21 of 44 in Idaho · #429 in US
Density
6.0 / sq mi
#29 of 44 in Idaho · #2,729 in US
Median household income
$68,403
#16 of 44 in Idaho · #1,111 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Power County within Idaho. Pin: Boise.

Power County population, land area and income

Power County had 8,381 residents in the Census Vintage 2024 estimate, on 1,403.8 square miles of land. It ranks 34th of 44 in Idaho by population and 21st by land area. That works out to 6.0 people per square mile, below the US average of 96.3, and in the bottom quarter nationally.

The median county-equivalent in Idaho has 15,019 residents; Power County is somewhat smaller.

Its SAIPE 2023 median household income of $68,403 is above the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

8,381

3144th1st

2548th of 3,144 (US)

Land area

1,404 sq mi

3144th1st

429th of 3,144 (US)

Density

6.0 / sq mi

3144th1st

2729th of 3,144 (US)

Median household income

$68,403

3143rd1st

1111th of 3,143 (US)

Rank within Idaho (44)

Population

8,381

44th1st

34th of 44 (ID)

Land area

1,404 sq mi

44th1st

21st of 44 (ID)

Density

6.0 / sq mi

44th1st

29th of 44 (ID)

Median household income

$68,403

44th1st

16th of 44 (ID)

How Power County's population changed since 2020

Power County gained 498 residents between the July 2020 and July 2024 estimates, a rise of 6.3%. That ranks 28th of 44 in Idaho for growth. The median Idaho county changed by +7.2%, and the state as a whole by +8.2%.

Since the April 2020 estimates base, Power County recorded 426 births and 297 deaths, a natural change of +129. Net international migration added +228 and net domestic migration, people moving to or from other US counties, came to +146. The largest single component was international migration, which added 228 people.

7,88320207,98020218,12220228,30120238,3812024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
426
Deaths
297
Net international migration
+228
Net domestic migration
+146
Change, July 2023 to July 2024
+80

Where Power County is

The Census internal point of Power County is at 42.694100, -112.844400. It sits in UTM zone 12N. The map shades Idaho's 44 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Power County outlined. Dots are towns of 1,000+ people with residents in it.

Towns in Power County

One incorporated place of 1,000+ people has residents in Power County, 4,863 people together, or 58% of the county. Each figure counts only the part of the town inside Power County; towns marked "part" extend into another county. The largest is American Falls with 4,863.

  1. 01American Falls4,863
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Power County

The Census 2024 county adjacency file lists 5 neighbors for Power County. The most populous is Bannock County, ID, with 91,010 residents. Distances run between Census internal points in a straight line.

Distance to Boise and the nearest big city

Boise is 181.5 miles WNW of Power County's internal point in a straight line. The nearest place of 100,000 or more is Salt Lake City, UT (population 217,783), 140.6 miles away. The nearest place of 10,000 or more is Pocatello, ID (population 58,231), 22.9 miles away.

Power County FIPS code

The FIPS code of Power County is 16077: state code 16 for Idaho plus county code 077. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $68,403.

Questions people ask

What is the population of Power County, Idaho?

The Census Vintage 2024 estimate for July 1, 2024 is 8,381. That is up 498 people (6.3%) from the July 2020 estimate of 7,883.

What is the FIPS code of Power County?

16077. The first two digits (16) are Idaho; the last three (077) identify the county.

What is the largest town in Power County?

American Falls, with 4,863 residents inside Power County in 2024.

Which counties border Power County?

5 county-equivalents border it in the Census 2024 adjacency file: Bannock County, ID; Bingham County, ID; Cassia County, ID; Blaine County, ID; Oneida County, ID.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.