US Census Data

Bonneville County vs Twin Falls County

A side-by-side comparison of Bonneville County and Twin Falls County: population, income, housing, and more.

Bonneville County and Twin Falls County are counties in Idaho. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Bonneville County has the higher population (127,056 vs 92,121 in Twin Falls County). Bonneville County has the higher median household income ($76,646 vs $65,338 in Twin Falls County). Bonneville County has the higher median home value ($327,000 vs $292,700 in Twin Falls County).

Population, income & housing

Bonneville CountyTwin Falls County
Population127,05692,121
Median age33.3 yrs35.8 yrs
Median household income$76,646$65,338
Median home value$327,000$292,700
Median gross rent$1,054$1,011
Housing units46,42535,749
Homeownership rate71.6%69.6%
Bachelor's degree or higher32.2%23.0%
Unemployment rate3.8%3.2%

Trends (ACS 5-year, 2019–2023)

Bonneville CountyTwin Falls County
Population114,392 → 127,056 (+11.1%)84,869 → 92,121 (+8.5%)
Median household income$60,615 → $76,646 (+26.4%)$52,919 → $65,338 (+23.5%)
Median home value$181,200 → $327,000 (+80.5%)$166,800 → $292,700 (+75.5%)
Median gross rent$819 → $1,054 (+28.7%)$800 → $1,011 (+26.4%)

Bonneville County

Population
114,392127,056
Median household income
$60,615$76,646
Median home value
$181,200$327,000
Median gross rent
$819$1,054

Twin Falls County

Population
84,86992,121
Median household income
$52,919$65,338
Median home value
$166,800$292,700
Median gross rent
$800$1,011

Age & race/ethnicity

Age distribution (share)

Bonneville CountyTwin Falls County
Under 57.6%6.4%
5 to 1722.6%20.3%
18 to 248.5%8.7%
25 to 3413.7%13.3%
35 to 4413.6%13.1%
45 to 5410.2%10.7%
55 to 6410.1%11.2%
65 to 748.2%9.7%
75 and over5.4%6.7%

Race & ethnicity (share)

Bonneville CountyTwin Falls County
White (non-Hispanic)80.8%76.2%
Black or African American0.3%0.7%
American Indian & Alaska Native0.4%0.2%
Asian0.8%1.3%
Native Hawaiian & Pacific Islander0.2%0.3%
Some other race0.4%0.3%
Two or more races3.0%3.5%
Hispanic or Latino14.2%17.5%

Educational attainment (age 25+)

Share of adults 25+

Bonneville CountyTwin Falls County
No high school diploma7.9%11.3%
High school graduate24.4%28.9%
Some college or associate's35.4%36.8%
Bachelor's degree22.2%13.9%
Graduate or professional degree10.0%9.1%

Commute to work

How workers get to work (share)

Bonneville CountyTwin Falls County
Drove alone74.7%79.5%
Carpooled10.6%9.9%
Public transit2.2%0.1%
Walked1.4%1.2%
Bicycle0.6%0.2%
Worked from home9.2%8.2%
Other means1.4%1.0%

Housing

Units in structure (share)

Bonneville CountyTwin Falls County
1-unit, detached71.1%75.0%
1-unit, attached5.6%3.7%
2 to 4 units9.0%8.6%
5 to 19 units5.1%3.6%
20 or more units4.6%1.6%
Mobile home & other4.6%7.5%

Poverty & households

Bonneville CountyTwin Falls County
Poverty rate9.5%10.7%
Average household size2.892.67
Mean commute (minutes)2118
Median year structure built19851980

Full profiles

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