Sinclair township is located in Stutsman County, North Dakota. Sinclair township has a 2026 population of 37. Sinclair township is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 37 in 2020.
The median age in Sinclair township is 59.2 years: 28.5 years for males, and 70.9 years for females. For every 100 females there are 200.0 males.
Data after 2023 is projected based on recent change
Overall: 59.2 years
Female: 70.9 years
Male: 28.5 years
There are 26 adults, (14 of whom are seniors) in Sinclair township.
Female: 11 (33.3%)
Male: 22 (66.7%)
The racial composition of Sinclair township includes 100% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 33 | 100% |