Lyon is located in Brule County, South Dakota. Lyon has a 2025 population of 35 . Lyon is currently growing at a rate of 2.94% annually and its population has increased by 6.06% since the most recent census, which recorded a population of 33 in 2020.
The average household income in Lyon is $87,300 with a poverty rate of 40%. The median age in Lyon is 76.6 years: 76.5 years for males, and 76.7 years for females. For every 100 females there are 100.0 males.
Data after 2023 is projected based on recent change
The racial composition of Lyon includes 100% White, and smaller percentages for and multiracial populations.
White (100%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 20 | 100% |
Married
Widowed
Divorced
Separated
Never Married
Lyon's average per capita income is $0. Household income levels show a median of $0. The poverty rate stands at 40%.
Name | Median | Mean |
|---|---|---|
| Households | - | $87,300 |
| Families | - | $87,300 |
| Married Families | - | - |
| Non Families | - | - |
Average Income
Median Household Income
Poverty Rate