Letcher is a town located in Sanborn County, South Dakota. Letcher has a 2025 population of 160 . Letcher is currently growing at a rate of 0.63% annually and its population has increased by 4.58% since the most recent census, which recorded a population of 153 in 2020.
The average household income in Letcher is $64,542 with a poverty rate of 23.37%. The median age in Letcher is 32 years: 29.5 years for males, and 38 years for females. For every 100 females there are 114.0 males.
Data after 2023 is projected based on recent change
The racial composition of Letcher includes 85.87% White, 5.43% other race, and smaller percentages for and multiracial populations.
White (85.87%)
Two or more races (8.7%)
Other race (5.43%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 158 | 85.87% |
| Two or more races | 16 | 8.7% |
| Other race | 10 | 5.43% |
Married
Widowed
Divorced
Separated
Never Married
Letcher's average per capita income is $43,958. Household income levels show a median of $67,500. The poverty rate stands at 23.37%.
Name | Median | Mean |
|---|---|---|
| Married Families | $74,167 | - |
| Families | $73,958 | $71,277 |
| Households | $67,500 | $64,542 |
| Non Families | $50,417 | $57,486 |
Average Income
Median Household Income
Poverty Rate