Bureau County's 2026 population is estimated at 31,942, reflecting a -0.84% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Bureau County is the 46th largest county in Illinois. The 2010 population was 34,959 and has grown -8.63% since 2010.
Data after 2023 is projected based on recent change
Overall: 44.1 years
Female: 45.6 years
Male: 42.6 years
There are 26,067 adults, (7,614 of whom are seniors) in Bureau County.
Female: 16,561 (50.4%)
Male: 16,305 (49.6%)
The racial composition of Bureau County includes 87.46% White, 4.45% other race, and smaller percentages for Asian, Black or African American, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 28,743 | 87.46% |
| Two or more races | 2,168 | 6.6% |
| Other race | 1,464 | 4.45% |
| Asian | 287 | 0.87% |
| Black or African American | 193 | 0.59% |
| Native American | 11 | 0.03% |
Bureau County 's average per capita income is $44,666. Household income levels show a median of $69,257. The poverty rate stands at 10.76%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $101,282 | $111,444 |
| Families | $87,121 | $99,926 |
| Households | $69,257 | $87,255 |
| Non Families | $42,293 | $61,943 |
Average Income
Median Household Income
Poverty Rate
