Letha is a CDP located in Gem County, Idaho. Letha has a 2025 population of 715. Letha is currently growing at a rate of 7.2% annually and its population has increased by 26.55% since the most recent census, which recorded a population of 565 in 2020.
The average household income in Letha is $126,277 with a poverty rate of 1.41%. The median age in Letha is 51.3 years: 23.5 years for males, and 54.9 years for females.
Data after 2023 is projected based on recent change
The racial composition of Letha includes 86.93% White, and smaller percentages for Asian and multiracial populations.
White (86.9%)
Two or more races (12.4%)
Asian (0.7%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 492 | 86.93% |
| Two or more races | 70 | 12.37% |
| Asian | 4 | 0.71% |
Married
Widowed
Divorced
Separated
Never Married
Letha's average per capita income is $45,191. Household income levels show a median of $0. The poverty rate stands at 1.41%.
Name | Median | Mean |
|---|---|---|
| Households | - | $126,277 |
| Families | - | $123,076 |
| Married Families | - | - |
| Non Families | - | - |
Average Income
Median Household Income
Poverty Rate