Idaho Population and Demographics

Published: October 1, 2020 11:01 am

Population

Idaho is a state in the Western United States with a population of 1,687,809 and land area of 82,643 square miles. It ranks as the 12th smallest state by population and the 11th largest state by area.

Race and Ethnicity

According to the most recent estimates from the U.S. Census Bureau, 82.20% of state residents identify as white, 0.60% as Black or African American, 1.10% as American Indian or Alaska Native, 1.40% as Asian, 0.10% as Native Hawaiian or other Pacific Islander, 12.40% as Hispanic or Latino, and 2.20% as some other race or combination of races.

Nationally, some 61.1% of Americans identify as white, 12.3% as Black or African American, 0.7% as American Indian or Alaska Native, 5.4% as Asian, 0.2% as Native Hawaiian or other Pacific Islander, 17.8% as Hispanic or Latino, and 2.6% as some other race or combination of races.

Ancestry

Census respondents are also asked to report ancestry. Some of the most commonly reported ancestries in Idaho include German, English, Irish, American, and Scottish. Measured by location quotient -- comparing the state share to the national share -- some of the most highly concentrated ancestries in Idaho are Basque, Danish, and Icelander.

Native and foreign-born population

An estimated 94.00% of Idaho residents are native-born, meaning they were born in the United States, Puerto Rico, a U.S. Island Area, or abroad to a U.S. citizen.

Of the 6.00% of the population that is foreign-born, 39.30% have become naturalized U.S. citizens. Nationwide, 86.5% of Americans are native-born. And of the 13.5% of Americans who are foreign-born, 48.8% have become naturalized U.S. citizens.

Age

The population of Idaho is younger than the United States as a whole. The median age in the state is 36.1 years old, 1.8 years less than the national median age of 37.9 years. An estimated 15.00% of the population is 65 years and over, compared to 15.2% of the U.S. population.

Family and household composition

Family and household composition also varies heavily across the United States. In Idaho, 54.20% of households are occupied by married-couple families, compared to the 48.3% national figure. Some 4.30% of households are occupied by single male householders, 9.10% by single female householders, and 32.30% by non-family occupants. Nationwide, 4.9% of households are occupied by single male householders, 12.6% by single female householders, and 34.3% by non-family occupants. An estimated 69.30% of heads of household own their homes, compared to the national homeownership rate of 63.8%.

Language spoken

As is the case across the United States, English is the most commonly spoken language in Idaho. Of the 1,573,600 people aged 5 and up living in Idaho, 96% speak English exclusively, or, if they are multilingual, speak English very well. Not only is English the predominantly spoken language in the state, its usage is even more common than it is nationwide where an average of 91.5% of the 5 and older population only speaks English, or speak it very well.

Spanish is the second most commonly spoken language in the United States. In Idaho, 8% of the population aged 5 and older speaks Spanish, the 17th largest share among all states. Nationwide, 13.3% of all Americans in the same age group speak Spanish.

Marital status

Residents of Idaho are more likely to be married than the typical American. Of the 1.3 million Idaho residents aged 15 and older, 54.5% are currently married, compared to 48.1% of Americans nationwide in the same age group. Divorceis also more common in the state than it is nationwide. In Idaho, 12% of the 15 and older population is divorced, compared to the 10.8% share of the same age group across the U.S. as a whole.

An estimated 27.3% of Idaho residents 15 and older have never married, compared to one-third of Americans in the same age group.

Veterans

In Idaho, 9.2% of the 18 and over population are veterans -- above the 7.5% of adult civilians who have served in the military nationwide. Compared to other states, Idaho is home to the 12th largest share of military veterans.

As is the case nationwide, the largest share of veterans living in the state served in the Vietnam era. Of Idaho’s 115,000 resident veterans, 3.7% served in World War II, 38.9% served in the Vietnam War, 20.4% served in the period between the beginning of the Gulf War and 2001, and 17.2% served since the terrorist attacks of Sept. 11, 2001. An additional 9,600 men and women served during the Korean War.

Educational attainment

In Idaho, adults are more likely to have a high school education than the typical American adult, but less likely to have a four-year college education. Among Idaho residents 25 and older, 90.6% have a high school diploma or equivalent, and 26.9% have a bachelor’s degree or higher, compared to 87.7% and 31.5% of adults nationwide, respectively.

Income

Though it is not always the case, incomes tend to rise with educational attainment rates across broad populations -- and Idaho is no exception. With a lower than average bachelor’s degree attainment rate, the state also has a lower than average median income. The typical household in Idaho earns $53,089 a year, about $7,200 less than the national median household income of $60,293.

Additionally, Idaho has a lower than average concentration of wealthy residents. An estimated 3.6% of households in the state earn $200,000 or more annually, compared to 7.0% of households nationwide.

Poverty

Despite the lower than average median household income, serious financial hardship is slightly less common in the state than it is nationwide. The poverty rate in Idaho stands at 13.8%, while the national poverty rate is 14.1%.

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