Sinclair township is located in Jewell County, Kansas. Sinclair township has a 2026 population of 54. Sinclair township is currently growing at a rate of 1.89% annually and its population has increased by 3.85% since the most recent census, which recorded a population of 52 in 2020.
The median age in Sinclair township is 25.9 years: 26.3 years for males, and 0 years for females. For every 100 females there are 202.5 males.
Data after 2023 is projected based on recent change
The racial composition of Sinclair township includes 100% White, and smaller percentages for and multiracial populations.
White (100%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 121 | 100% |
Married
Widowed
Divorced
Separated
Never Married