Boundary County's estimated 2026 population is 14,138 with a growth rate of 1.01% in the past year according to the most recent United States census data. Boundary County is the 24th largest county in Idaho. The 2010 population was 10,998 and has seen a growth of 28.55% since that time.
Data after 2023 is projected based on recent change
Overall: 43.7 years
Female: 44 years
Male: 43.6 years
There are 10,100 adults, (3,093 of whom are seniors) in Boundary County.
Female: 6,461 (49.1%)
Male: 6,711 (50.9%)
The racial composition of Boundary County includes 82.89% White, 3.48% other race, and smaller percentages for Asian, Native American, Black or African American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 10,918 | 82.89% |
| Two or more races | 1,273 | 9.66% |
| Other race | 458 | 3.48% |
| Asian | 272 | 2.06% |
| Native American | 208 | 1.58% |
| Black or African American | 43 | 0.33% |
Boundary County's average per capita income is $46,582. Household income levels show a median of $67,237. The poverty rate stands at 13.65%.
Name | Median | Mean |
|---|---|---|
| Married Families | $85,212 | - |
| Families | $75,721 | $98,475 |
| Households | $67,237 | $86,317 |
| Non Families | $32,847 | $48,461 |
Average Income
Median Household Income
Poverty Rate