Lemhi County, ID Population Statistics: Density Map Data
Analyze local population trends, population density map, housing costs, and the local economy.
Area Snapshot Statistics
Key statistics on population, economy, housing, and commuting compared to state and national averages. Explore interactive maps for deeper analysis.
Population: density and quick facts
| Metric | Lemhi County | Idaho Avg | U.S. Average |
|---|---|---|---|
| Population | 8,353 | 1,920,240 | 334,821,731 |
| Population density (per sq mi) | 1.8 | 23.0 | 85.8 |
| Population growth (%/yr) | 0.76% | 2.11% | 0.57% |
| Median age | 52.9 | 38.5 | 37.1 |
| Households | 3,350 | 693,697 | 128,459,983 |
Population in Lemhi County grew by 4.5% from 2009 to 2023, reaching 8,166 in 2023.
Population Growth 2009–2023
Race & Ethnicity
Economy
Lemhi County has a the economy index of D, which means it is barely prosperous.
| Metric | Lemhi County | Idaho Avg | U.S. Average |
|---|---|---|---|
| Median household income | $53,218 | $74,676 | $78,145 |
| Income growth (%/yr) | 6.42% | 6.16% | 5.07% |
| Unemployment rate | 3.3% | 3.7% | 5.2% |
The median household income in Lemhi County is about 29% lower than in Idaho.
Housing
| Metric | Lemhi County | Idaho Avg | U.S. Average |
|---|---|---|---|
| Median home price | $419,001 | $355,887 | $242,182 |
| Median rent | $721 | $1,150 | $1,342 |
| Homeownership rate | 81.3% | 72.4% | 65.1% |
The median home price in Lemhi County is about 48.4 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $721 per month for that long.
Commute Time & Mobility
Commuters in Lemhi County spend about 18 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 74 hours, about 3.1 full days, spent commuting.
| Metric | Lemhi County | Idaho Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 8.9 | 17.9 | 22.5 |
| Round-trip commute (min) | 17.8 | 35.9 | 44.9 |
| Yearly time spent (hours) | 74 | 149 | 187 |
| Estimated yearly cost | $2,301 | $4,633 | $5,803 |
| Work from home | 9.7% | 12.2% | 13.4% |
| Highway traffic (vehicles/day) | — | 4,714 | 8,813 |
| Local road traffic (vehicles/day) | 100 | 865 | 1,355 |
Fastest commutes among counties in
Idaho:
Lemhi County (8.9 min), Custer County (10.6 min), Madison County (11.8 min).
Slowest:
Camas County (43.9 min), Boise County (35.5 min), Lincoln County (32.8 min).
The average commute time in Lemhi County is 9 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
Lemhi County has a education index of D, which means it is barely educated.
| Metric | Lemhi County | Idaho Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 20.0% | 27.1% | 31.6% |
| Average household size | 2.38 | 2.66 | 2.54 |
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
Lemhi County has a health index of B, which means it is quite healthy.
| Metric | Lemhi County | Idaho Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 79.1 | 79.5 | 78.3 |
| Self-rated poor health | 17.0% | 15.6% | 16.3% |
| Smokers | 17.7% | 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).
Frequently Asked Questions
Common questions about Lemhi County, Idaho.
What is the population of Lemhi County, Idaho?
The population of Lemhi County, Idaho is 8,353, compared to the U.S. total of 334,821,731.
What is the population density of Lemhi County, Idaho?
The population density of Lemhi County, Idaho is 1.8 people per square mile, compared to the U.S. average of 85.8 people per square mile.
What is the median household income in Lemhi County, Idaho?
The median household income in Lemhi County, Idaho is $53,218, compared to the U.S. median of $78,145.
What is the median home price in Lemhi County, Idaho?
The median home price in Lemhi County, Idaho is $419,001, compared to the U.S. median of $242,182.
What is the unemployment rate in Lemhi County, Idaho?
The unemployment rate in Lemhi County, Idaho is 3.3%, compared to the U.S. average of 5.2%.