Fremont County, Idaho
Located in Idaho, Fremont County has a population of 13,943 residents and a median age of 40.0 years, making it the #2,229 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 10.1%. The median home value is $314,200, and the median household income is $72,683, which is 3% below the national median.
Demographics
Fremont County has a population of 13,943, making it the #2,229 most populous county in the US. The median age is 40.0 years, which is 2.8% 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 Fremont County is $72,683, ranking #1,000 out of 3,222 counties — 3.3% below the national median. The poverty rate is 10.1% and unemployment stands at 3.9%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Fremont County is $314,200 (+11.5% vs national). Renters pay a median of $864/mo and the homeownership rate is 82.6%.
Median Home Value Trend
Rankings →Household Type
Education
In Fremont County, 22.8% of adults age 25+ hold a bachelor's degree or higher, which is 32.3% below the national average, ranking #1,527 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Fremont County is 77.7 years. 16.4% of adults report poor or fair health and 13.4% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
13.9% of adults in Fremont County smoke , 33.7% are obese , and 18.5% report excessive drinking.
Adult Smoking Trend
Safety
The suicide rate is 22.0 per 100,000. Motor vehicle deaths occur at a rate of 22.6 per 100,000.
Suicide Rate Trend
Families & Children
15.2% of children in Fremont County live in poverty . The teen birth rate is 18.8 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Fremont County is 73.5%. The mean commute time is 25.6 min, which is 7.1% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Fremont County voted Republican with a margin of 69.0%. The vote was 14% Dem / 83% Rep. Compared to 2020, the margin shifted 1.3 toward Republicans .
Vote Share Over Time
About Fremont County, Idaho
Fremont County, Idaho has a total population of 13,943, making it the 2,229th most populous county in the United States. The median age in Fremont County is 40.0 years, which is 2.8% above the national median of 38.9 years.
The median household income in Fremont County is $72,683, which ranks #1,000 of 3,222 counties nationwide. This is 3.3% below the national median of $75,149. The poverty rate is 10.1%, lower than the national rate of 12.6%. The unemployment rate stands at 3.9%.
The median home value in Fremont County is $314,200, 11.5% above the national median. Renters in Fremont County pay a median gross rent of $864 per month. The homeownership rate is 82.6%, compared to the national rate of 64.4%.
In Fremont County, 22.8% of residents aged 25 and older hold a bachelor's degree or higher, 32.3% below the national average of 33.7%. Health insurance coverage stands at 89.4% of the population. The average commute time for workers is 25.6 min.
Fremont County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 82.7% of the population, followed by Hispanic or Latino (12.4%) and Two or More Races (2.0%).
All data for Fremont 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.