Caribou County, Idaho Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Caribou County, ID Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
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B
Health Around average
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C
Income Below averageWealthier than 79% of counties in Idaho
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D
Education Well below average
Source: Map AI Methodology
Population: density and quick facts
| Metric | Caribou County | Idaho Avg | U.S. Average |
|---|---|---|---|
| Population | 7,162 | 1,929,983 | 337,468,954 |
| Population density (per sq mi) | 4.0 | 23.1 | 86.4 |
| Population growth (%/yr) | 0.62% | 2.12% | 0.59% |
| Median age | 35.7 | 38.7 | 37.3 |
| Households | 2,474 | 712,816 | 130,235,071 |
Population in Caribou County grew by 3.9% from 2009 to 2024, reaching 7,162 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Caribou County is Gen Z, aged 13–28, at 20.4% of residents. That is 2.4 points below Idaho as a whole.
- Gen Z 13–28 1,463 20.4% -2.4 pts
- Millennials 29–44 1,435 20.0% -0.7 pts
- Gen X 45–60 1,365 19.1% -0.2 pts
- Boomers 61–79 1,219 17.0% +1.0 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Idaho, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 48.5% of the people living in Caribou County and men 51.5%.
- Women 48.5% Idaho 49.6%
- Men 51.5% Idaho 50.4%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in Caribou County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Caribou County has a the economy index of C, which means it is somewhat prosperous.
| Metric | Caribou County | Idaho Avg | U.S. Average |
|---|---|---|---|
| Median household income | $68,001 | $78,141 | $80,455 |
| Income growth (%/yr) | 2.10% | 5.97% | 4.80% |
| Unemployment rate | 1.9% | 3.7% | 5.2% |
The median household income in Caribou County is about 13% lower than in Idaho.
Housing
| Metric | Caribou County | Idaho Avg | U.S. Average |
|---|---|---|---|
| Median home price | $112,504 | $394,140 | $248,835 |
| Median rent | $846 | $1,236 | $1,407 |
| Homeownership rate | 81.6% | 72.3% | 65.2% |
The median home price in Caribou County is about 11.1 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $846 per month for that long.
Commute Time & Mobility
Commuters in Caribou County spend about 34 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 140 hours, about 5.8 full days, spent commuting.
| Metric | Caribou County | Idaho Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 16.8 | 18.0 | 22.4 |
| Round-trip commute (min) | 33.7 | 35.9 | 44.8 |
| Yearly time spent (hours) | 140 | 150 | 187 |
| Estimated yearly cost | $4,348 | $4,641 | $5,790 |
| Work from home | 6.3% | 13.3% | 15.0% |
| Highway traffic (vehicles/day) | 6,208 | 4,714 | 8,813 |
| Local road traffic (vehicles/day) | 259 | 865 | 1,355 |
Fastest commutes among counties in
Idaho:
Custer County (8.9 min), Lemhi County (11.6 min), Madison County (12.0 min).
Slowest:
Camas County (49.5 min), Boise County (38.0 min), Lincoln County (32.0 min).
The average commute time in Caribou County is 17 minutes, shorter than the 18 minutes in Idaho.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Caribou County has a education index of D, which means it is barely educated.
| Metric | Caribou County | Idaho Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 14.5% | 27.1% | 31.6% |
| Average household size | 2.85 | 2.64 | 2.53 |
Highest education index among counties in
Idaho:
Latah County (0.4), Teton County (0.3), Ada County (0.3).
Lowest:
Clark County (0.1), Owyhee County (0.2), Lincoln County (0.2).
Health
Caribou County has a health index of B, which means it is quite healthy.
| Metric | Caribou County | Idaho Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 77.9 | 79.5 | 78.3 |
| Self-rated poor health | 14.3% | 15.6% | 16.3% |
| Smokers | 17.5% | 17.6% | 19.0% |
Highest health index among counties in
Idaho:
Madison County (0.8), Latah County (0.8), Ada County (0.8).
Lowest:
Shoshone County (0.8), Washington County (0.8), Lincoln County (0.8).
Caribou County, ID Compared With Nearby Counties
Caribou County, ID is the smallest of the 4 counties compared here, 7,162 residents against a local median of 89,452. Where Caribou County, ID breaks from the counties next to it is median home price, sitting 70% below the local median of $378,543 at $112,504.
The counties themselves sit within $137,848 of each other on median home price, a tighter band than the gap between any of them and Caribou County, ID, which makes it a genuine outlier here rather than one end of a wide local spread. Caribou County, ID has the 4th highest median home price of the 4 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Caribou County, ID | 7,162 | $68,001 #3/4 | $112,504 #4/4 | 16.8 min #3/4 |
| Bonneville County, ID | 129,518 | $80,129 | $378,543 | 16.0 min |
| Bannock County, ID | 89,452 | $67,110 | $301,627 | 13.5 min |
| Bingham County, ID | 49,662 | $77,597 | $439,475 | 18.3 min |
Frequently Asked Questions
Common questions about Caribou County, Idaho.
How many people live in Caribou County, Idaho?
About 7,162 people live in Caribou County, Idaho, in 2,474 households of 2.9 people on average. The median age is 35.7, so residents are younger than the U.S. median of 37.3 by about 2 years.
How densely populated is Caribou County, Idaho?
Averaged over its land area, Caribou County, Idaho has 4 people per square mile, a density typical of rural areas. That is about 5% of the U.S. average of 86.
Can a typical household afford a home in Caribou County, Idaho?
The median home costs 1.7 times the median household income ($112,504 against $68,001), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $846 a month takes about 15% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
Is unemployment high in Caribou County, Idaho?
Unemployment in Caribou County, Idaho is only 1.9%, well below the U.S. rate of 5.2%, a sign of a tight labor market where employers compete for workers.
How educated are people in Caribou County, Idaho?
14.5% of adults in Caribou County, Idaho hold a bachelor's degree or higher (about 1 in 7), well below the U.S. share of 31.6%.
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