Valley County, Idaho
Located in Idaho, Valley County has a population of 12,389 residents and a median age of 46.9 years, making it the #2,329 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 11.7%. The median home value is $657,000, and the median household income is $76,078, which is 1% above the national median.
Demographics
Valley County has a population of 12,389, making it the #2,329 most populous county in the US. The median age is 46.9 years, which is 20.6% above the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Valley County is $76,078, ranking #777 out of 3,222 counties — 1.2% above the national median. The poverty rate is 11.7% and unemployment stands at 4.7%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Valley County is $657,000 (+133.1% vs national). Renters pay a median of $1,117/mo and the homeownership rate is 81.9%.
Median Home Value Trend
Rankings →Household Type
Education
In Valley County, 40.1% of adults age 25+ hold a bachelor's degree or higher, which is 19.1% above the national average, ranking #277 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Valley County is 83.0 years. 17.5% of adults report poor or fair health and 11.2% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
14.6% of adults in Valley County smoke , 33.5% are obese , and 18.8% report excessive drinking.
Adult Smoking Trend
Safety
The suicide rate is 23.0 per 100,000. Motor vehicle deaths occur at a rate of 16.2 per 100,000.
Suicide Rate Trend
Families & Children
10.1% of children in Valley County live in poverty . The teen birth rate is 8.4 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Valley County is 76.9%. The mean commute time is 20.8 min, which is 24.6% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Valley County voted Republican with a margin of 18.6%. The vote was 39.6% Dem / 58.2% Rep. Compared to 2020, the margin shifted 4.8 toward Republicans .
Vote Share Over Time
About Valley County, Idaho
Valley County, Idaho has a total population of 12,389, making it the 2,329th most populous county in the United States. The median age in Valley County is 46.9 years, which is 20.6% above the national median of 38.9 years.
The median household income in Valley County is $76,078, which ranks #777 of 3,222 counties nationwide. This is 1.2% above the national median of $75,149. The poverty rate is 11.7%, lower than the national rate of 12.6%. The unemployment rate stands at 4.7%.
The median home value in Valley County is $657,000, 133.1% above the national median. Renters in Valley County pay a median gross rent of $1,117 per month. The homeownership rate is 81.9%, compared to the national rate of 64.4%.
In Valley County, 40.1% of residents aged 25 and older hold a bachelor's degree or higher, 19.1% above the national average of 33.7%. Health insurance coverage stands at 91.2% of the population. The average commute time for workers is 20.8 min.
Valley County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 90.1% of the population, followed by Hispanic or Latino (5.4%) and Two or More Races (3.1%).
All data for Valley County, Idaho comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.