Nemaha is located in Nemaha County, Kansas. Nemaha has a 2025 population of 119 . Nemaha is currently declining at a rate of -2.46% annually and its population has decreased by -7.03% since the most recent census, which recorded a population of 128 in 2020.
The median age in Nemaha is 62.8 years: 0 years for males, and 0 years for females. For every 100 females there are 114.3 males.
Data after 2023 is projected based on recent change
The racial composition of Nemaha includes 100% White, and smaller percentages for and multiracial populations.
White (100%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 30 | 100% |
Married
Widowed
Divorced
Separated
Never Married