Lyon township is located in Brule County, South Dakota. Lyon township has a 2026 population of 36. Lyon township is currently growing at a rate of 2.86% annually and its population has increased by 9.09% since the most recent census, which recorded a population of 33 in 2020.
The median household income in Lyon township is $70,909 with a poverty rate of 0%. The median age in Lyon township is 59.2 years: 59.3 years for males, and 51.9 years for females. For every 100 females there are 163.6 males.
Data after 2023 is projected based on recent change
Overall: 59.2 years
Female: 51.9 years
Male: 59.3 years
There are 58 adults, (12 of whom are seniors) in Lyon township.
Female: 22 (37.9%)
Male: 36 (62.1%)
The racial composition of Lyon township includes 62.07% White, 37.93% Native American, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 36 | 62.07% |
| Native American | 22 | 37.93% |
Lyon township 's average per capita income is $36,532. Household income levels show a median of $70,909. The poverty rate stands at 0%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $71,307 | - |
| Households | $70,909 | $79,676 |
| Families | $70,909 | $79,676 |
| Non Families | - | - |
Average Income
Median Household Income
Poverty Rate