Niangua is a city located in Webster County, Missouri. Niangua has a 2025 population of 419 . Niangua is currently growing at a rate of 1.21% annually and its population has increased by 6.35% since the most recent census, which recorded a population of 394 in 2020.
The average household income in Niangua is $42,890 with a poverty rate of 40.37%. The median age in Niangua is 30.4 years: 30.6 years for males, and 30.3 years for females. For every 100 females there are 86.1 males.
Data after 2023 is projected based on recent change
The racial composition of Niangua includes 95.76% White, and smaller percentages for Native American and multiracial populations.
White (95.76%)
Two or more races (3.64%)
Native American (0.61%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 474 | 95.76% |
| Two or more races | 18 | 3.64% |
| Native American | 3 | 0.61% |
Married
Widowed
Divorced
Separated
Never Married
Niangua's average per capita income is $37,500. Household income levels show a median of $36,667. The poverty rate stands at 40.37%.
Name | Median | Mean |
|---|---|---|
| Married Families | $47,500 | - |
| Families | $42,656 | $44,096 |
| Households | $36,667 | $42,890 |
| Non Families | $28,125 | $33,901 |
Average Income
Median Household Income
Poverty Rate