Population 1,934,262 · Census ACS 2020–24
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Population and households in Idaho
Household size in Idaho
| Period | Idaho | U.S. |
|---|---|---|
| 2006–10 | 2.72 | 2.68 |
| 2010–14 | 2.78 | 2.73 |
| 2015–19 | 2.76 | 2.71 |
| 2020–24 | 2.79 | 2.65 |
| Change | +0.07 | −0.03 |
Households in Idaho average 2.79 people, a bit above the national 2.65, so families with children are somewhat more common here. Household size has crept up from 2.72 in 2006–10, even as the national average fell. Of the 50 states and D.C., only four have larger households.
Household size: the average number of people living in each occupied home. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25010).
Median age in Idaho
| Period | Idaho | U.S. |
|---|---|---|
| 2006–10 | 35.5 | 37.7 |
| 2010–14 | 36.6 | 38.6 |
| 2015–19 | 37.6 | 39.6 |
| 2020–24 | 38.2 | 40.1 |
| Change | +2.7 | +2.3 |
The median resident of Idaho is 38.2 years old, a few years younger than the national median of 40.1. The median age has climbed from 35.5 in 2006–10, in line with the national trend. Residents skew youngest in eastern Idaho and oldest in northwestern Idaho.
Median age: the age that splits residents into two equal halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B01002).
Single-parent households in Idaho
| Period | Idaho | U.S. |
|---|---|---|
| 2006–10 | 10.0% | 12.3% |
| 2010–14 | 10.2% | 12.3% |
| 2015–19 | 9.3% | 11.6% |
| 2020–24 | 9.3% | 11.6% |
| Change | −0.7 pts | −0.6 pts |
Single parents head nearly one in ten households in Idaho (9.3%), below the national share of 11.6%. The single-parent share is down 0.7 points from 2006–10, as it has nationally. Idaho has a lower share of single-parent households than at least four in five states.
Single-parent households: households where one adult with no spouse present lives with children under 18. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B11003).
Housing in Idaho
Renters in Idaho
| Period | Idaho | U.S. |
|---|---|---|
| 2006–10 | 29.0% | 33.3% |
| 2010–14 | 30.8% | 35.6% |
| 2015–19 | 30.0% | 36.0% |
| 2020–24 | 27.9% | 34.8% |
| Change | −1.1 pts | +1.5 pts |
More than a quarter of households in Idaho rent their homes (27.9%), below the national share of 34.8%; the rest own. Among homeowners, 38.5% have no mortgage at all, about the same as nationally. The renter share has edged down 1.1 points since 2006–10, even as the national share rose.
Renters: occupied homes that are rented rather than owned. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25003).
Vacant homes in Idaho
| Period | Idaho | U.S. |
|---|---|---|
| 2006–10 | 10.4% | 11.4% |
| 2010–14 | 11.0% | 11.4% |
| 2015–19 | 10.5% | 11.1% |
| 2020–24 | 9.3% | 9.6% |
| Change | −1.1 pts | −1.8 pts |
About as many homes sit empty in Idaho as nationally: 9.3%, against 9.6%. Vacancy is down 1.1 points from 2006–10, in line with the national trend.
Vacant homes: homes with no one living in them, including vacation homes and homes for sale or rent. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25002).
Age of homes in Idaho
| Period | Idaho | U.S. |
|---|---|---|
| 2006–10 | 1982 | 1974 |
| 2010–14 | 1984 | 1975 |
| 2015–19 | 1986 | 1977 |
| 2020–24 | 1989 | 1980 |
| Change | +7 | +6 |
Much of the housing in Idaho is relatively new: half of its homes were built after 1989, compared with 1980 for the U.S. as a whole. The median year built has moved up from 1982 in 2006–10, a sign of steady new building. The newest homes are mostly in western Idaho, the oldest in southeastern Idaho.
Age of homes: the year that splits the housing stock into older and newer halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25035).
Rent in Idaho
| Period | Idaho | U.S. |
|---|---|---|
| 2006–10 | $766 | $965 |
| 2010–14 | $820 | $1,040 |
| 2015–19 | $941 | $1,213 |
| 2020–24 | $1,407 | $1,571 |
| Change | +$641 | +$606 |
The median renter in Idaho pays $1,407 a month for rent and utilities, below the national median of $1,571. Rents are up $641 a month from 2006–10, an 84% jump, faster than rents rose nationally. The typical renter here spends 29.0% of household income on rent, just under the 30% mark often used to define affordable rent, and a smaller share than renters pay nationally. Renters on a budget will find the lowest rents in southeastern Idaho; the highest are in western Idaho.
Rent: monthly rent plus the utilities renters pay themselves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25064).
Education in Idaho
Bachelor's degrees in Idaho
| Period | Idaho | U.S. |
|---|---|---|
| 2006–10 | 25.0% | 28.4% |
| 2010–14 | 25.9% | 29.6% |
| 2015–19 | 27.8% | 32.1% |
| 2020–24 | 31.7% | 35.6% |
| Change | +6.6 pts | +7.2 pts |
College degrees are a little less common in Idaho than nationally: 31.7% of adults 25 and older have a bachelor's or higher, against 35.6%. The share with a degree has risen 6.6 points since 2006–10, in line with the national trend.
Bachelor's degrees: adults 25 and older with a bachelor's degree or higher. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
High school graduates in Idaho
| Period | Idaho | U.S. |
|---|---|---|
| 2006–10 | 88.7% | 84.9% |
| 2010–14 | 89.3% | 86.1% |
| 2015–19 | 90.8% | 87.7% |
| 2020–24 | 92.1% | 89.3% |
| Change | +3.4 pts | +4.3 pts |
High school completion in Idaho is a bit above the national rate: 92.1% of adults have a diploma or equivalent, against 89.3%. The share with a diploma has risen 3.4 points since 2006–10, mirroring the country.
High school graduates: adults 25 and older with a high school diploma, GED or more. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
Jobs in Idaho
| Period | Idaho | U.S. |
|---|---|---|
| 2006–10 | 7.0% | 8.1% |
| 2010–14 | 8.1% | 9.4% |
| 2015–19 | 4.4% | 5.6% |
| 2020–24 | 3.8% | 5.4% |
| Change | −3.2 pts | −2.7 pts |
Jobs have been easier to find in Idaho than nationally: unemployment was 3.8%, against 5.4%. Unemployment is down 3.2 points from 2006–10, in line with the national trend. Because the Census pools five years of responses (2020–24), these rates smooth over short swings and lag the current job market.
Unemployment: people looking for work as a share of everyone working or looking. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B23025).
Idaho compared with nearby states
| State | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| Idaho | 2.79 | 38.2 | 9.3% | 27.9% | 9.3% | 1989 | $1,407 | 31.7% | 92.1% | 3.8% |
| Montana | 2.44 | 41.5 | 8.8% | 30.8% | 12.2% | 1982 | $1,189 | 35.3% | 94.6% | 3.7% |
| Utah | 3.11 | 33.1 | 8.9% | 29.8% | 7.3% | 1991 | $1,701 | 38.3% | 93.5% | 3.5% |
| Oregon | 2.50 | 41.6 | 10.4% | 36.7% | 7.4% | 1981 | $1,601 | 36.4% | 91.5% | 5.3% |
| Washington | 2.61 | 39.6 | 10.1% | 36.2% | 7.6% | 1984 | $1,875 | 38.8% | 91.9% | 5.1% |
| Wyoming | 2.39 | 40.2 | 9.2% | 28.2% | 12.1% | 1981 | $1,091 | 30.6% | 94.1% | 3.8% |
| Nevada | 2.73 | 40.0 | 12.8% | 40.0% | 9.0% | 1995 | $1,787 | 27.5% | 87.1% | 6.9% |
| Colorado | 2.54 | 39.1 | 9.3% | 33.8% | 7.3% | 1988 | $1,963 | 45.9% | 92.8% | 4.6% |
| California | 3.01 | 39.0 | 12.3% | 44.1% | 7.3% | 1976 | $2,229 | 36.3% | 84.2% | 6.6% |
| Arizona | 2.70 | 40.4 | 12.6% | 32.6% | 9.6% | 1992 | $1,736 | 33.3% | 89.1% | 5.3% |
| North Dakota | 2.38 | 37.4 | 8.8% | 37.1% | 12.0% | 1985 | $1,031 | 33.9% | 94.1% | 2.8% |
All figures 2020–24.
States with similar populations: Alaska · Wisconsin · Washington · Vermont · Texas · South Dakota · Rhode Island · Puerto Rico · Oregon · New Mexico
About these numbers
Every figure on this page is a BestNeighborhood calculation from the Census Bureau's American Community Survey (ACS), built up from the Census block groups that make up Idaho. Each ACS 5-year release pools five years of responses; this page shows the last 15 releases, 2006–10 through 2020–24. Neighboring releases share four of their five years, so they move gradually and small changes between them are within the survey's margin of error; in small places the lines can jump from one release to the next for the same reason. The maps show the same measures for each neighborhood, ranked against the whole country.
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