Valley County, Idaho Demographics

Population trends, housing costs, income, commuting, and health, all on one page.

Valley 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.

  • B
    Health Around average
    Healthier than 88% of counties in Idaho
  • B
    Income Around average
    Among the top 5 wealthiest counties in Idaho
  • B
    Education Around average
    Among the top 5 best educated counties in Idaho

Source: Map AI Methodology

Valley County
Click a county to open it Explore the map →
Population density, people per sq mi

Population: density and quick facts

Metric Valley County Idaho Avg U.S. Average
Population 12,386 1,929,983 337,468,954
Population density (per sq mi) 3.3 23.1 86.4
Population growth (%/yr) 2.85% 2.12% 0.59%
Median age 45.7 38.7 37.3
Households 4,317 712,816 130,235,071

Population in Valley County grew by 42.8% from 2009 to 2024, reaching 12,386 in 2024.

Population Growth 2009–2024

Year Valley County

Race & Ethnicity

Group Share

Age & Sex

The largest generation in Valley County is Boomers, aged 61–79, at 25.7% of residents. That is 9.7 points above Idaho as a whole.

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 48.0% of the people living in Valley County and men 52.0%.

How many residents match a customer profile?

Who to count

Residents matching this profile

12,386

100% of everyone living in Valley County

Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.

Economy

Valley County has a the economy index of B, which means it is quite prosperous.

Metric Valley County Idaho Avg U.S. Average
Median household income $76,023 $78,141 $80,455
Income growth (%/yr) 4.65% 5.97% 4.80%
Unemployment rate 4.7% 3.7% 5.2%

The median household income in Valley County is about 3% lower than in Idaho.

Detailed wealth and income breakdown →

Housing

Metric Valley County Idaho Avg U.S. Average
Median home price $570,811 $394,140 $248,835
Median rent $1,117 $1,236 $1,407
Homeownership rate 81.9% 72.3% 65.2%

The median home price in Valley County is about 42.6 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,117 per month for that long.

Full housing market analysis →

Commute Time & Mobility

Commuters in Valley County spend about 30 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 125 hours, about 5.2 full days, spent commuting.

Metric Valley County Idaho Avg U.S. Average
One-way commute (min) 15.0 18.0 22.4
Round-trip commute (min) 30.0 35.9 44.8
Yearly time spent (hours) 125 150 187
Estimated yearly cost $3,881 $4,641 $5,790
Work from home 16.9% 13.3% 15.0%
Highway traffic (vehicles/day) 1,174 4,714 8,813
Local road traffic (vehicles/day) 210 865 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 Valley County is 15 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.

Commute and transport details →

Education & Households

Valley County has a education index of B, which means it is quite educated.

Metric Valley County Idaho Avg U.S. Average
Bachelor's degree or higher 36.3% 27.1% 31.6%
Average household size 2.82 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

Valley County has a health index of B, which means it is quite healthy.

Metric Valley County Idaho Avg U.S. Average
Life expectancy (years) 81.5 79.5 78.3
Self-rated poor health 12.7% 15.6% 16.3%
Smokers 15.5% 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).

Full health data →

Valley County, ID Compared With Nearby Counties

How Valley County, ID compares with the 1 counties closest to it.

Area Population Median household income Median home price Commute
Valley County, ID 12,386 $76,023 #1/2 $570,811 #1/2 15.0 min #1/2
Gem County, ID 20,614 $65,574 $112,500 30.3 min

Frequently Asked Questions

Common questions about Valley County, Idaho.

What is the population of Valley County, Idaho?

About 12,386 people live in Valley County, Idaho, in 4,317 households of 2.8 people on average. The median age is 45.7, so residents are older than the U.S. median of 37.3 by about 8 years.

Is Valley County, Idaho mostly urban or rural?

Averaged over its land area, Valley County, Idaho has 3 people per square mile, a density typical of rural areas. That is about 4% of the U.S. average of 86.

Can a typical household afford a home in Valley County, Idaho?

The median home costs 7.5 times the median household income ($570,811 against $76,023), compared with 3.1 times nationally. A ratio of about 3 is traditionally considered affordable. Median rent of $1,117 a month takes about 18% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.

Analyze any area in the US

Get local demographics for any address, aggregated by drive time or radius, on the interactive map.

Explore the map →