Mayfield township is located in Yankton County, South Dakota. Mayfield township has a 2026 population of 182. Mayfield township is currently declining at a rate of 0% annually and its population has increased by 0.55% since the most recent census, which recorded a population of 181 in 2020.
The median age in Mayfield township is 35.7 years: 27.4 years for males, and 56.8 years for females. For every 100 females there are 241.0 males.
Data after 2023 is projected based on recent change
The racial composition of Mayfield township includes 94.74% White, and smaller percentages for and multiracial populations.
White (94.74%)
Two or more races (5.26%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 126 | 94.74% |
| Two or more races | 7 | 5.26% |
Married
Widowed
Divorced
Separated
Never Married