US Census Data

Gem County vs Idaho County

A side-by-side comparison of Gem County and Idaho County: population, income, housing, and more.

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

Gem County has the higher population (19,854 vs 17,120 in Idaho County). Gem County has the higher median household income ($66,245 vs $60,975 in Idaho County). Gem County has the higher median home value ($367,300 vs $284,600 in Idaho County).

Population, income & housing

Gem CountyIdaho County
Population19,85417,120
Median age42.8 yrs49.6 yrs
Median household income$66,245$60,975
Median home value$367,300$284,600
Median gross rent$887$797
Housing units7,7888,881
Homeownership rate76.6%80.1%
Bachelor's degree or higher22.3%22.0%
Unemployment rate2.8%3.7%

Trends (ACS 5-year, 2019–2023)

Gem CountyIdaho County
Population17,331 → 19,854 (+14.6%)16,411 → 17,120 (+4.3%)
Median household income$45,492 → $66,245 (+45.6%)$41,516 → $60,975 (+46.9%)
Median home value$168,700 → $367,300 (+117.7%)$173,200 → $284,600 (+64.3%)
Median gross rent$745 → $887 (+19.1%)$682 → $797 (+16.9%)

Gem County

Population
17,33119,854
Median household income
$45,492$66,245
Median home value
$168,700$367,300
Median gross rent
$745$887

Idaho County

Population
16,41117,120
Median household income
$41,516$60,975
Median home value
$173,200$284,600
Median gross rent
$682$797

Age & race/ethnicity

Age distribution (share)

Gem CountyIdaho County
Under 55.3%5.4%
5 to 1717.1%14.4%
18 to 247.4%6.0%
25 to 3410.6%9.9%
35 to 4411.7%9.7%
45 to 5410.9%10.2%
55 to 6414.3%15.9%
65 to 7413.7%17.5%
75 and over9.0%11.1%

Race & ethnicity (share)

Gem CountyIdaho County
White (non-Hispanic)84.0%89.9%
Black or African American0.2%0.1%
American Indian & Alaska Native0.4%2.3%
Asian0.2%0.5%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.9%0.0%
Two or more races5.0%3.4%
Hispanic or Latino9.3%3.8%

Educational attainment (age 25+)

Share of adults 25+

Gem CountyIdaho County
No high school diploma11.0%8.2%
High school graduate32.6%34.1%
Some college or associate's34.2%35.8%
Bachelor's degree17.3%16.2%
Graduate or professional degree5.0%5.8%

Commute to work

How workers get to work (share)

Gem CountyIdaho County
Drove alone75.3%72.3%
Carpooled8.7%10.3%
Public transit0.2%0.0%
Walked1.4%6.4%
Bicycle1.0%0.3%
Worked from home12.6%9.4%
Other means0.9%1.3%

Housing

Units in structure (share)

Gem CountyIdaho County
1-unit, detached80.6%79.1%
1-unit, attached1.4%0.6%
2 to 4 units2.7%2.6%
5 to 19 units1.2%2.2%
20 or more units2.6%0.2%
Mobile home & other11.5%15.3%

Poverty & households

Gem CountyIdaho County
Poverty rate10.4%10.8%
Average household size2.652.51
Mean commute (minutes)3120
Median year structure built19821979

Full profiles

2

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Gem County vs Idaho County: Compare Population & Demographics | US Census Data