Blaine County vs Gem County
A side-by-side comparison of Blaine County and Gem County: population, income, housing, and more.
Blaine County and Gem County are counties in Idaho. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
Blaine County has the higher population (24,579 vs 19,854 in Gem County). Blaine County has the higher median household income ($84,470 vs $66,245 in Gem County). Blaine County has the higher median home value ($663,800 vs $367,300 in Gem County).
Population, income & housing
| Blaine County | Gem County | |
|---|---|---|
| Population | 24,579 | 19,854 |
| Median age | 45.5 yrs | 42.8 yrs |
| Median household income | $84,470 | $66,245 |
| Median home value | $663,800 | $367,300 |
| Median gross rent | $1,217 | $887 |
| Housing units | 15,769 | 7,788 |
| Homeownership rate | 75.5% | 76.6% |
| Bachelor's degree or higher | 45.5% | 22.3% |
| Unemployment rate | 2.6% | 2.8% |
Trends (ACS 5-year, 2019–2023)
| Blaine County | Gem County | |
|---|---|---|
| Population | 22,373 → 24,579 (+9.9%) | 17,331 → 19,854 (+14.6%) |
| Median household income | $56,694 → $84,470 (+49.0%) | $45,492 → $66,245 (+45.6%) |
| Median home value | $428,900 → $663,800 (+54.8%) | $168,700 → $367,300 (+117.7%) |
| Median gross rent | $933 → $1,217 (+30.4%) | $745 → $887 (+19.1%) |
Blaine County
22,37324,579
$56,694$84,470
$428,900$663,800
$933$1,217
Gem County
17,33119,854
$45,492$66,245
$168,700$367,300
$745$887
Age & race/ethnicity
Age distribution (share)
| Blaine County | Gem County | |
|---|---|---|
| Under 5 | 3.1% | 5.3% |
| 5 to 17 | 16.4% | 17.1% |
| 18 to 24 | 7.5% | 7.4% |
| 25 to 34 | 9.8% | 10.6% |
| 35 to 44 | 12.3% | 11.7% |
| 45 to 54 | 12.8% | 10.9% |
| 55 to 64 | 16.1% | 14.3% |
| 65 to 74 | 13.5% | 13.7% |
| 75 and over | 8.4% | 9.0% |
Race & ethnicity (share)
| Blaine County | Gem County | |
|---|---|---|
| White (non-Hispanic) | 72.7% | 84.0% |
| Black or African American | 0.4% | 0.2% |
| American Indian & Alaska Native | 0.9% | 0.4% |
| Asian | 0.5% | 0.2% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.2% | 0.9% |
| Two or more races | 3.9% | 5.0% |
| Hispanic or Latino | 21.2% | 9.3% |
Educational attainment (age 25+)
Share of adults 25+
| Blaine County | Gem County | |
|---|---|---|
| No high school diploma | 8.8% | 11.0% |
| High school graduate | 21.7% | 32.6% |
| Some college or associate's | 24.0% | 34.2% |
| Bachelor's degree | 33.1% | 17.3% |
| Graduate or professional degree | 12.5% | 5.0% |
Commute to work
How workers get to work (share)
| Blaine County | Gem County | |
|---|---|---|
| Drove alone | 71.0% | 75.3% |
| Carpooled | 7.0% | 8.7% |
| Public transit | 1.0% | 0.2% |
| Walked | 3.3% | 1.4% |
| Bicycle | 2.7% | 1.0% |
| Worked from home | 13.3% | 12.6% |
| Other means | 1.7% | 0.9% |
Housing
Units in structure (share)
| Blaine County | Gem County | |
|---|---|---|
| 1-unit, detached | 63.4% | 80.6% |
| 1-unit, attached | 3.9% | 1.4% |
| 2 to 4 units | 13.8% | 2.7% |
| 5 to 19 units | 13.4% | 1.2% |
| 20 or more units | 3.7% | 2.6% |
| Mobile home & other | 1.8% | 11.5% |
Poverty & households
| Blaine County | Gem County | |
|---|---|---|
| Poverty rate | 7.4% | 10.4% |
| Average household size | 2.46 | 2.65 |
| Mean commute (minutes) | 18 | 31 |
| Median year structure built | 1987 | 1982 |
Full profiles
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