St. Maries is a city located in Benewah County, Idaho. St. Maries has a 2025 population of 2,517 . It is also the county seat of Benewah County . St. Maries is currently growing at a rate of 1.21% annually and its population has increased by 6.43% since the most recent census, which recorded a population of 2,365 in 2020.
The average household income in St. Maries is $72,008 with a poverty rate of 18.07%. The median age in St. Maries is 39.6 years: 39.6 years for males, and 39.7 years for females. For every 100 females there are 97.7 males.
Data after 2023 is projected based on recent change
The racial composition of St. Maries includes 96.67% White, and smaller percentages for Two or more races, Native American, Native Hawaiian or Pacific Islander, Black or African American, other race and multiracial populations.
White (96.67%)
Two or more races (1.88%)
Native American (0.96%)
Native Hawaiian or Pacific Islander (0.33%)
Black or African American (0.13%)
Other race (0.03%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 2,931 | 96.67% |
| Two or more races | 57 | 1.88% |
| Native American | 29 | 0.96% |
| Native Hawaiian or Pacific Islander | 10 | 0.33% |
| Black or African American | 4 | 0.13% |
| Other race | 1 | 0.03% |
Married
Widowed
Divorced
Separated
Never Married
St. Maries' average per capita income is $47,218. Household income levels show a median of $52,468. The poverty rate stands at 18.07%.
Name | Median | Mean |
|---|---|---|
| Married Families | $81,648 | - |
| Families | $75,978 | $89,186 |
| Households | $52,468 | $72,008 |
| Non Families | $24,550 | $39,182 |
Average Income
Median Household Income
Poverty Rate