Walnut Grove township is located in Knox County, Nebraska. Walnut Grove township has a 2026 population of 85. Walnut Grove township is currently growing at a rate of 1.19% annually and its population has increased by 3.66% since the most recent census, which recorded a population of 82 in 2020.
The median age in Walnut Grove township is 71.7 years: 73.6 years for males, and 71.4 years for females. For every 100 females there are 140.9 males.
Data after 2023 is projected based on recent change
Overall: 71.7 years
Female: 71.4 years
Male: 73.6 years
There are 53 adults, (42 of whom are seniors) in Walnut Grove township.
Female: 22 (41.5%)
Male: 31 (58.5%)
The racial composition of Walnut Grove township includes 100% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 53 | 100% |