Population 129,523 · Census ACS 2020–24
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Population and households in Bonneville County
Household size in Bonneville County
| Period | Bonneville County | Idaho | U.S. |
|---|---|---|---|
| 2006–10 | 2.87 | 2.72 | 2.68 |
| 2010–14 | 2.96 | 2.78 | 2.73 |
| 2015–19 | 2.89 | 2.76 | 2.71 |
| 2020–24 | 3.00 | 2.79 | 2.65 |
| Change | +0.13 | +0.07 | −0.03 |
Bonneville County is a place of big households: 3.00 people per home on average, compared with 2.65 nationally. Numbers like that usually point to plenty of families with kids. Since 2006–10, household size has climbed from 2.87, even as the national average fell.
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 Bonneville County
| Period | Bonneville County | Idaho | U.S. |
|---|---|---|---|
| 2006–10 | 33.0 | 35.5 | 37.7 |
| 2010–14 | 33.9 | 36.6 | 38.6 |
| 2015–19 | 33.8 | 37.6 | 39.6 |
| 2020–24 | 34.2 | 38.2 | 40.1 |
| Change | +1.2 | +2.7 | +2.3 |
With a median age of just 34.2, Bonneville County is far younger than the country as a whole (40.1), a population that tilts toward young families with children. The median age has climbed from 33.0 in 2006–10, mirroring the country. Residents skew youngest in the northeast and oldest in the south.
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 Bonneville County
| Period | Bonneville County | Idaho | U.S. |
|---|---|---|---|
| 2006–10 | 10.1% | 10.0% | 12.3% |
| 2010–14 | 10.1% | 10.2% | 12.3% |
| 2015–19 | 9.8% | 9.3% | 11.6% |
| 2020–24 | 9.3% | 9.3% | 11.6% |
| Change | −0.8 pts | −0.7 pts | −0.6 pts |
Single parents head nearly one in ten households in Bonneville County (9.3%), below the national share of 11.6%. Idaho as a whole looks much the same. The single-parent share has edged down 0.8 points since 2006–10, as it has nationally.
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 Bonneville County
Renters in Bonneville County
| Period | Bonneville County | Idaho | U.S. |
|---|---|---|---|
| 2006–10 | 25.9% | 29.0% | 33.3% |
| 2010–14 | 26.8% | 30.8% | 35.6% |
| 2015–19 | 30.4% | 30.0% | 36.0% |
| 2020–24 | 28.3% | 27.9% | 34.8% |
| Change | +2.4 pts | −1.1 pts | +1.5 pts |
Nearly three in ten households in Bonneville County rent their homes (28.3%), below the national share of 34.8%; the rest own. Among homeowners, 35.0% have no mortgage at all, below the national share of 39.8%. Rentals cluster in the center; owners are most common in the southeast. The renter share has risen 2.4 points since 2006–10, mirroring the country.
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 Bonneville County
| Period | Bonneville County | Idaho | U.S. |
|---|---|---|---|
| 2006–10 | 8.1% | 10.4% | 11.4% |
| 2010–14 | 10.6% | 11.0% | 11.4% |
| 2015–19 | 8.3% | 10.5% | 11.1% |
| 2020–24 | 7.7% | 9.3% | 9.6% |
| Change | −0.4 pts | −1.1 pts | −1.8 pts |
Fewer homes sit empty in Bonneville County than nationally: 7.7%, against 9.6% for the U.S. Compared with other Idaho counties, Bonneville County has a lower vacancy rate than most.
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 Bonneville County
| Period | Bonneville County | Idaho | U.S. |
|---|---|---|---|
| 2006–10 | 1980 | 1982 | 1974 |
| 2010–14 | 1983 | 1984 | 1975 |
| 2015–19 | 1985 | 1986 | 1977 |
| 2020–24 | 1987 | 1989 | 1980 |
| Change | +7 | +7 | +6 |
Homes in Bonneville County are newer than the national norm: the median home was built in 1987, versus 1980 across the U.S. The picture is much the same across Idaho. The median year built has moved up from 1980 in 2006–10, a sign of steady new building.
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 Bonneville County
| Period | Bonneville County | Idaho | U.S. |
|---|---|---|---|
| 2006–10 | $741 | $766 | $965 |
| 2010–14 | $800 | $820 | $1,040 |
| 2015–19 | $1,029 | $941 | $1,213 |
| 2020–24 | $1,388 | $1,407 | $1,571 |
| Change | +$647 | +$641 | +$606 |
The median renter in Bonneville County pays $1,388 a month for rent and utilities, below the national median of $1,571. Rent has climbed $647 a month since 2006–10, up 87%, faster than rents rose nationally. Rent takes 26.3% of the typical renter's income, comfortably under the 30% mark often used to define affordable rent.
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 Bonneville County
Bachelor's degrees in Bonneville County
| Period | Bonneville County | Idaho | U.S. |
|---|---|---|---|
| 2006–10 | 27.1% | 25.0% | 28.4% |
| 2010–14 | 27.6% | 25.9% | 29.6% |
| 2015–19 | 31.7% | 27.8% | 32.1% |
| 2020–24 | 33.6% | 31.7% | 35.6% |
| Change | +6.5 pts | +6.6 pts | +7.2 pts |
College degrees are about as common in Bonneville County as nationally: 33.6% of adults 25 and older have a bachelor's or higher, against 35.6%. Since 2006–10, the share with a degree has risen 6.5 points, in line with the national trend. College graduates are most concentrated in the southeast and least in the center.
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 Bonneville County
| Period | Bonneville County | Idaho | U.S. |
|---|---|---|---|
| 2006–10 | 91.2% | 88.7% | 84.9% |
| 2010–14 | 91.3% | 89.3% | 86.1% |
| 2015–19 | 92.1% | 90.8% | 87.7% |
| 2020–24 | 92.1% | 92.1% | 89.3% |
| Change | +0.9 pts | +3.4 pts | +4.3 pts |
About nine in ten adults in Bonneville County have finished high school (92.1%), a bit above the national rate of 89.3%. Idaho as a whole looks much the same. The share with a diploma is up 0.9 points from 2006–10, a smaller shift than nationally.
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 Bonneville County
| Period | Bonneville County | Idaho | U.S. |
|---|---|---|---|
| 2006–10 | 5.1% | 7.0% | 8.1% |
| 2010–14 | 6.2% | 8.1% | 9.4% |
| 2015–19 | 3.4% | 4.4% | 5.6% |
| 2020–24 | 4.4% | 3.8% | 5.4% |
| Change | −0.7 pts | −3.2 pts | −2.7 pts |
Unemployment in Bonneville County runs below the national rate: 4.4% of the labor force was out of work and looking, against 5.4% nationally. Since 2006–10, unemployment has edged down 0.7 points, a smaller shift than nationally. 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).
Bonneville County compared with nearby counties
| County | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| Bonneville County | 3.00 | 34.2 | 9.3% | 28.3% | 7.7% | 1987 | $1,388 | 33.6% | 92.1% | 4.4% |
| Teton County | 2.31 | 42.0 | 7.9% | 41.7% | 26.0% | 1988 | $2,172 | 61.5% | 96.9% | 1.0% |
| Blaine County | 2.45 | 46.7 | 9.7% | 26.5% | 23.6% | 1987 | $1,337 | 48.1% | 91.8% | 2.0% |
| Camas County | 3.04 | 36.8 | 4.1% | 20.0% | 47.4% | 1991 | $1,000 | 34.4% | 87.0% | 0.0% |
| Owyhee County | 2.87 | 40.8 | 8.6% | 27.4% | 10.1% | 1984 | $991 | 12.4% | 78.7% | 2.0% |
| Harney County | 2.38 | 49.8 | 7.5% | 32.6% | 15.8% | 1973 | $717 | 18.0% | 91.2% | 4.0% |
| Fall River County | 1.94 | 53.8 | 9.4% | 27.6% | 12.5% | 1963 | $916 | 30.6% | 92.2% | 2.9% |
| Mellette County | 2.94 | 38.1 | 15.4% | 39.6% | 17.4% | 1969 | $699 | 19.2% | 83.6% | 12.0% |
| Tripp County | 2.47 | 45.4 | 11.7% | 31.6% | 16.4% | 1966 | $776 | 17.4% | 88.3% | 2.1% |
| Coos County | 2.27 | 48.3 | 11.9% | 28.8% | 10.1% | 1972 | $1,141 | 22.3% | 91.4% | 6.0% |
| Douglas County | 2.36 | 43.7 | 3.8% | 23.3% | 14.3% | 1959 | $901 | 25.0% | 90.3% | 0.5% |
All figures 2020–24.
Counties with similar populations: Cache County, UT · Strafford County, NH · Fayette County, GA · Flagler County, FL · Tangipahoa Parish, LA · Harnett County, NC · Jefferson County, NY · Kendall County, IL · Kennebec County, ME · La Crosse County, WI
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 Bonneville County. 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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