Adams County, Idaho
Located in Idaho, Adams County has a population of 4,744 residents and a median age of 53.9 years, making it the #2,917 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 17.9%. The median home value is $376,500, and the median household income is $61,808, which is 18% below the national median.
Demographics
Adams County has a population of 4,744, making it the #2,917 most populous county in the US. The median age is 53.9 years, which is 38.6% 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 Adams County is $61,808, ranking #1,913 out of 3,222 counties — 17.8% below the national median. The poverty rate is 17.9% and unemployment stands at 7.4%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Adams County is $376,500 (+33.6% vs national). Renters pay a median of $830/mo and the homeownership rate is 84.7%.
Median Home Value Trend
Rankings →Household Type
Education
In Adams County, 21.6% of adults age 25+ hold a bachelor's degree or higher, which is 35.9% below the national average, ranking #1,712 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Adams County is 79.2 years. 16.7% of adults report poor or fair health and 11.4% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
15.4% of adults in Adams County smoke , 31.5% are obese , and 19.8% report excessive drinking.
Adult Smoking Trend
Safety
The suicide rate is 39.9 per 100,000. Motor vehicle deaths occur at a rate of 32.8 per 100,000.
Motor Vehicle Deaths Trend
Families & Children
19.7% of children in Adams County live in poverty . The teen birth rate is 17.6 per 1,000 females age 15–19.
Child Poverty Trend
Civic & Transportation
Voter turnout in Adams County is 74.3%. The mean commute time is 21.9 min, which is 20.6% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Adams County voted Republican with a margin of 54.5%. The vote was 21.5% Dem / 76% Rep. Compared to 2020, the margin shifted 2.3 toward Republicans .
Vote Share Over Time
About Adams County, Idaho
Adams County, Idaho has a total population of 4,744, making it the 2,917th most populous county in the United States. The median age in Adams County is 53.9 years, which is 38.6% above the national median of 38.9 years.
The median household income in Adams County is $61,808, which ranks #1,913 of 3,222 counties nationwide. This is 17.8% below the national median of $75,149. The poverty rate is 17.9%, higher than the national rate of 12.6%. The unemployment rate stands at 7.4%.
The median home value in Adams County is $376,500, 33.6% above the national median. Renters in Adams County pay a median gross rent of $830 per month. The homeownership rate is 84.7%, compared to the national rate of 64.4%.
In Adams County, 21.6% of residents aged 25 and older hold a bachelor's degree or higher, 35.9% below the national average of 33.7%. Health insurance coverage stands at 88.1% of the population. The average commute time for workers is 21.9 min.
Adams County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 87.0% of the population, followed by Two or More Races (5.8%) and Hispanic or Latino (5.0%).
All data for Adams 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.