Fremont County, Idaho Demographics 2026
Fremont County, Idaho has a population of 13,943, the 23rd most populous county in Idaho. The median household income is $72,683 and the median home value is $314,200. The poverty rate is 10.1%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Fremont County Quick Facts
How Fremont County Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 13,701 | 13,943 | +1.8% |
| Median household income | $72,767 | $72,683 | -0.1% |
| Median home value | $281,800 | $314,200 | +11.5% |
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 36 | National average: 61
Education
Educational Attainment (Adults 25+)
Cities & Places in Fremont County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| St. Anthony | 3,911 | $53,152 | 18.0% | $231,900 |
| Ashton | 1,417 | $65,428 | 5.8% | $221,300 |
| Teton | 877 | $67,321 | 16.1% | $249,300 |
| Parker | 607 | $93,750 | 11.4% | $289,600 |
| Newdale | 525 | $85,625 | 4.6% | $302,100 |
| Island Park | 170 | $91,250 | 1.2% | $293,800 |
| Drummond | 3 | N/A | 0.0% | N/A |
Explore Idaho Rankings
Population Overview
Fremont County is located in Idaho with a total population of 13,943. It is the 23rd most populous county out of 44 in Idaho. The county encompasses 7 Census-designated places.
Age Demographics
The median age in Fremont County is 40.0 years. This is 7% higher than the state median of 37.3 years.
Economy, Income & Housing
The median household income in Fremont County is $72,683. This is 7% lower than the state median of $77,800. It is also 10% lower than the national median of $80,734. The poverty rate stands at 10.1%. This is 5% lower than the state poverty rate of 10.6%. The unemployment rate is 3.9%. This is 3% higher than the state rate of 3.7%. The median home value is $314,200. Housing costs are 25% lower than the state median of $418,600. The home-value-to-income ratio is 4.3x. 82.6% of occupied housing units are owner-occupied. This homeownership rate is 15% higher than the state average of 72.1%.
Race & Ethnicity
The largest racial or ethnic group in Fremont County is White (non-Hispanic), making up 82.7% of the population. Hispanic or Latino residents account for 12.4%. The Black or African American population (0.3%) is well below the state average of 0.7%. The Asian population (0.1%) is well below the state average of 1.3%.
Education
22.8% of residents aged 25 and older hold a bachelor's degree or higher. This is 28% lower than the state rate of 31.8%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 90.8%.
Data Sources & Methodology
All figures for Fremont County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Idaho and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.
Frequently Asked Questions
What is the population of Fremont County, Idaho?
Fremont County has a population of 13,943, making it the 23rd most populous county in Idaho.
What is the median income in Fremont County?
The median household income in Fremont County is $72,683 with a poverty rate of 10.1%.
How many cities are in Fremont County, Idaho?
Fremont County contains 7 Census-designated places.