Walnut township is located in Crawford County, Kansas. Walnut township has a 2026 population of 70. Walnut township is currently declining at a rate of -1.41% annually and its population has decreased by -6.67% since the most recent census, which recorded a population of 75 in 2020.
The median age in Walnut township is 38.6 years: 58.9 years for males, and 13.6 years for females. For every 100 females there are 70.2 males.
Data after 2023 is projected based on recent change
Overall: 38.6 years
Female: 13.6 years
Male: 58.9 years
There are 53 adults, (0 of whom are seniors) in Walnut township.
Female: 47 (58.8%)
Male: 33 (41.2%)
The racial composition of Walnut township includes 100% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 80 | 100% |