Power County Demographics

A map of Power County's Population by Race

Power County, Idaho has an estimated population of 8,133, an increase from the 7,878 recorded in the 2020 Census. The population is 60.5% White, 34.3% Hispanic, 3.9% Multiracial, 0.9% Native American/Other, 0.4% Black, and 0.0% Asian. This demographic dot map shows the population of Power County, with one dot drawn for each person counted by the Census, color-coded by race.

Power is about as racially diverse as it was in the 2020 Census. It is considerably more diverse than Idaho overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Power County, that probability was 51.2% in 2020 and 51.5% in the most recent ACS estimates.

Power County is ranked the 34th most populous county in Idaho, out of 44 counties. Power County was ranked the 33rd most populous county in the 2020 Census.

Power County's White Population

4,917 residents of Power County, or 60.5% of the population, identify as White. The share of White residents in Power County is significantly lower than in Idaho overall, where 78.6% of the population is White. Power County ranks 41st statewide in terms of White residents as a share of the population, out of 44 counties.

Since the 2020 Census, Power County's White population has grown by an estimated 1.9%. White residents' share of Power County's population has decreased from 61.3% to 60.5%.

Power County is more White than neighboring Minidoka County (58.8% White). Power County is less White than neighboring Oneida County (91.8% White), Bannock County (80.3% White), Bingham County (73.7% White), and Cassia County (64.4% White).

Power County's Black Population

36 residents of Power County, or 0.4% of the population, identify as Black. The share of Black residents in Power County is comparable to the share in Idaho overall, where 0.7% of the population is Black. Power County ranks 21st statewide in terms of Black residents as a share of the population, out of 44 counties.

Since the 2020 Census, Power County's Black population has grown by an estimated 111.8%. Black residents' share of Power County's population has remained roughly unchanged at 0.4%.

Power County is more Black than neighboring Bingham County (0.2% Black), and Minidoka County (0.1% Black). Power County is less Black than neighboring Bannock County (0.8% Black), and Cassia County (0.5% Black).

Power County's Asian Population

0 residents of Power County, or 0.0% of the population, identify as Asian. The share of Asian residents in Power County is comparable to the share in Idaho overall, where 1.3% of the population is Asian. Power County ranks 36th statewide in terms of Asian residents as a share of the population, out of 44 counties.

Since the 2020 Census, Power County's Asian population has declined by an estimated 100.0%. Asian residents' share of Power County's population has remained roughly unchanged at 0.0%.

Power County is less Asian than neighboring Bannock County (1.5% Asian), Bingham County (0.3% Asian), Minidoka County (0.2% Asian), and Cassia County (0.3% Asian).

Power County's Hispanic Population

2,787 residents of Power County, or 34.3% of the population, identify as Hispanic. The share of Hispanic residents in Power County is significantly higher than in Idaho overall, where 13.6% of the population is Hispanic. Power County ranks 4th statewide in terms of Hispanic residents as a share of the population, out of 44 counties.

Since the 2020 Census, Power County's Hispanic population has grown by an estimated 6.2%. Hispanic residents' share of Power County's population has increased from 33.3% to 34.3%.

Power County is more Hispanic than neighboring Oneida County (4.4% Hispanic), Bannock County (9.9% Hispanic), Bingham County (17.8% Hispanic), and Cassia County (30.1% Hispanic). Power County is less Hispanic than neighboring Minidoka County (37% Hispanic).

Power County's Native American/Other Population

74 residents of Power County, or 0.9% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Power County is comparable to the share in Idaho overall, where 1.5% of the population is Native American/Other. Power County ranks 8th statewide in terms of Native American/Other residents as a share of the population, out of 44 counties.

Since the 2020 Census, Power County's Native American/Other population has declined by an estimated 63.4%. Native American/Other residents' share of Power County's population has decreased from 2.6% to 0.9%.

Power County is more Native American/Other than neighboring Oneida County (0.8% Native American/Other). Power County is less Native American/Other than neighboring Bannock County (3.4% Native American/Other), Bingham County (4.9% Native American/Other), Minidoka County (1.5% Native American/Other), and Cassia County (1.6% Native American/Other).

Power County's Multiracial Population

319 residents of Power County, or 3.9% of the population, identify as Multiracial. The share of Multiracial residents in Power County is comparable to the share in Idaho overall, where 4.2% of the population is Multiracial. Power County ranks 36th statewide in terms of Multiracial residents as a share of the population, out of 44 counties.

Since the 2020 Census, Power County's Multiracial population has grown by an estimated 67.0%. Multiracial residents' share of Power County's population has increased from 2.4% to 3.9%.

Power County is more Multiracial than neighboring Oneida County (2.5% Multiracial), Bingham County (3.2% Multiracial), Minidoka County (2.3% Multiracial), and Cassia County (3.3% Multiracial). Power County is less Multiracial than neighboring Bannock County (4.1% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.