St. Charles, Idaho Demographics & Population 2026
During the 2020–2024 ACS period, St. Charles, Idaho had a total population of 145, the 204th largest city in Idaho. The poverty rate is 11.7%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Unemployment rate of 28.6% is notably above the national average.
St. Charles Quick Facts
How St. Charles 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 | 168 | 145 | -13.7% |
| Median home value | $197,700 | $210,000 | +6.2% |
How St. Charles Compares
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+)
St. Charles Rankings in Idaho
Explore Idaho Rankings
Other Cities in Bear Lake County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Montpelier | 2,694 | $61,375 | 7.8% | $240,300 |
| Georgetown | 739 | $70,179 | 11.1% | $197,700 |
| Paris | 562 | $95,000 | 2.0% | $267,300 |
| Bloomington | 255 | $79,583 | 3.9% | $377,300 |
| Bennington | 92 | $84,167 | 0.0% | $366,700 |
Cities Similar to St. Charles
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Acequia | 153 | N/A | $95,600 | 11.7% | 7.8% |
| De Smet | 135 | N/A | $55,700 | 9.7% | 71.9% |
| Leadore | 135 | $30,568 | N/A | 12.6% | 25.2% |
| Ferdinand | 162 | $72,500 | $208,900 | 14.9% | 4.4% |
| Murtaugh | 129 | $48,750 | $253,800 | 16.2% | 10.4% |
A note before these figures: with a population of 145, St. Charles's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.
Population Overview
St. Charles is a small community located in Idaho, within Bear Lake County. The total population is 145. It ranks as the 204th most populous out of 232 Census-designated places in Idaho.
Age Demographics
The median age in St. Charles is 34.1 years. This is 9% lower than the state median of 37.3 years.
Economy, Income & Housing
The poverty rate stands at 11.7%. This is 11% higher than the state poverty rate of 10.6%. The unemployment rate is 28.6%. This is 666% higher than the state rate of 3.7%. The median home value is $210,000. Housing costs are 50% lower than the state median of $418,600. 97.9% of occupied housing units are owner-occupied. This homeownership rate is 36% higher than the state average of 72.1%.
Race & Ethnicity
Every resident counted in St. Charles was recorded as White (non-Hispanic). A figure of exactly 100.0% reflects a survey sample too small to capture the community's full composition rather than a precise measurement.
Education
22.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 29% 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 96.4%.
Data Sources & Methodology
All demographic data for St. Charles, Idaho is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Idaho state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 232 Census-designated places in Idaho. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of St. Charles, Idaho?
St. Charles, Idaho has a population of 145 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in St. Charles, ID?
The Census Bureau does not publish a reliable median household income estimate for St. Charles — the community is too small for the ACS sample. The national median is $80,734.
What is the poverty rate in St. Charles, ID?
The poverty rate in St. Charles is 11.7%. This means approximately 17 residents live below the federal poverty line.
What is the racial makeup of St. Charles, Idaho?
St. Charles's population is 100.0% White, 0.0% Black, 0.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in St. Charles, ID?
The median home value in St. Charles is $210,000.
How educated is St. Charles, Idaho?
22.6% of adults (25+) in St. Charles hold a bachelor's degree or higher, and 0.0% hold a graduate or professional degree.