Boundary County's estimated 2025 population is 14,127 with a growth rate of 2.06% in the past year according to the most recent United States census data. Boundary County is the 25th largest county in Idaho. The 2010 population was 10,998 and has seen a growth of 28.45% since that time.
Data after 2023 is projected based on recent change
The racial composition of Boundary County includes 88.78% White, and smaller percentages for other race, Asian, Native American, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.
White
Two or more races
Other race
Asian
Native American
Black or African American
Native Hawaiian or Pacific Islander
Race | Population | Percentage (of total) |
|---|---|---|
| White | 11,271 | 88.78% |
| Two or more races | 556 | 4.38% |
| Other race | 350 | 2.76% |
| Asian | 215 | 1.69% |
| Native American | 202 | 1.59% |
| Black or African American | 94 | 0.74% |
| Native Hawaiian or Pacific Islander | 7 | 0.06% |
Married
Widowed
Divorced
Separated
Never Married
Boundary County's average per capita income is $41,921. Household income levels show a median of $62,438. The poverty rate stands at 17.17%.
Name | Median | Mean |
|---|---|---|
| Married Families | $84,800 | - |
| Families | $73,370 | $85,193 |
| Households | $62,438 | $75,791 |
| Non Families | $28,646 | $44,737 |
Average Income
Median Household Income
Poverty Rate