Sparta is located in Knox County, Nebraska. Sparta has a 2025 population of 67 . Sparta is currently declining at a rate of -1.47% annually and its population has decreased by 0% since the most recent census, which recorded a population of 67 in 2020.
The median age in Sparta is 36.3 years: 36.4 years for males, and 14.9 years for females. For every 100 females there are 157.7 males.
Data after 2023 is projected based on recent change
The racial composition of Sparta includes 100% White, and smaller percentages for and multiracial populations.
White (100%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 67 | 100% |
Married
Widowed
Divorced
Separated
Never Married