Seneca is located in Newton County, Missouri. Seneca has a 2025 population of 51. Seneca 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 0 in 2020.
The average household income in Seneca is $82,743 with a poverty rate of 0%. The median age in Seneca is 46.2 years: 37.3 years for males, and 50 years for females.
Data after 2023 is projected based on recent change
The racial composition of Seneca includes 98.04% White, and smaller percentages for Two or more races and multiracial populations.
White (98.0%)
Two or more races (2.0%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 50 | 98.04% |
| Two or more races | 1 | 1.96% |
Married
Widowed
Divorced
Separated
Never Married
Seneca's average per capita income is $35,625. Household income levels show a median of $74,583. The poverty rate stands at 0%.
Name | Median | Mean |
|---|---|---|
| Married Families | $107,500 | - |
| Families | $105,625 | $93,129 |
| Households | $74,583 | $82,743 |
| Non Families | - | - |
Average Income
Median Household Income
Poverty Rate