Letha, Idaho Demographics & Population 2026
During the 2020–2024 ACS period, Letha, Idaho had a total population of 109, the 211th largest community in Idaho, with a median household income of $85,761, which is 10% higher than the state average. The poverty rate is 8.3%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Only 0.0% of adults have a bachelor's degree, well below the national average of 35.7%.
Letha Quick Facts
How Letha 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 | 566 | 109 | -80.7% |
How Letha 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+)
Letha Rankings in Idaho
Explore Idaho Rankings
Other Cities in Gem County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Emmett | 8,275 | $58,750 | 18.3% | $342,000 |
Cities Similar to Letha
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Hope | 112 | $98,750 | $625,000 | 23.5% | 0.0% |
| Butte City | 95 | N/A | $76,300 | 14.9% | 36.8% |
| Bennington | 92 | $84,167 | $366,700 | 27.7% | 0.0% |
| De Smet | 135 | N/A | $55,700 | 9.7% | 71.9% |
| Parkline | 91 | $74,417 | $120,000 | 14.5% | 4.4% |
A note before these figures: with a population of 109, Letha'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
Letha is a small community located in Idaho, within Gem County. The total population is 109. It ranks as the 211th most populous out of 232 Census-designated places in Idaho.
Age Demographics
The median age in Letha is 69.0 years. This is 85% higher than the state median of 37.3 years. 13.8% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The median household income in Letha is $85,761. This is 10% higher than the state median of $77,800. It is also 6% higher than the national median of $80,734. The poverty rate stands at 8.3%. This is 22% lower than the state poverty rate of 10.6%. The survey records no unemployed residents in Letha, which reflects the size of the sample rather than a labor market without joblessness. 52.3% of occupied housing units are owner-occupied. This homeownership rate is 28% lower than the state average of 72.1%.
Race & Ethnicity
Every resident counted in Letha 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
0.0% of residents aged 25 and older hold a bachelor's degree or higher. This is among the lowest rates in the state, which may correlate with employment and income patterns. Nationally, 35.7% of adults hold at least a bachelor's degree. No surveyed resident aged 25 or older reported leaving school before earning a high school diploma, though a rate of exactly 100% reflects the limits of a small sample.
Data Sources & Methodology
All demographic data for Letha, 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 Letha, Idaho?
Letha, Idaho has a population of 109 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Letha, ID?
The median household income in Letha is $85,761, which is 6% higher than the national median of $80,734.
What is the poverty rate in Letha, ID?
The poverty rate in Letha is 8.3%. This means approximately 9 residents live below the federal poverty line.
What is the racial makeup of Letha, Idaho?
Letha's population is 100.0% White, 0.0% Black, 0.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Letha, ID?
The Census Bureau does not publish a reliable median home value estimate for Letha — there are too few owner-occupied homes in the ACS sample. The national median is $332,700.
How educated is Letha, Idaho?
0.0% of adults (25+) in Letha hold a bachelor's degree or higher, and 0.0% hold a graduate or professional degree.