How many people live in Bureau County, IL?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 32,500 people living in Bureau County, IL. That makes Bureau County the 46th-most populous county in Illinois. It is home to 0.26% of people living in the state.
32.5K
population of Bureau County, IL (2024)
0.26%
County share of the Illinois population (2024)
About 32,500 people lived in Bureau County, IL in 2024.
Population estimates, 2000–2024
What are Bureau County, IL’s age demographics?
About 7,800 Bureau County residents are aged 65 and older in 2024. That represents 24.1% of its population. For comparison, the age group represents 17.9% of Illinois' population and 18% in the US overall.
Another 6,500 Bureau County residents, or 20.1% of the population, were children under 18. For comparison, the age group represents 21.2% of Illinois’s population and 21.6% in the US overall.
A higher share of Bureau County, IL's population is aged 65 or older than the US as a whole.
Population estimates by age group, (2024)
What are Bureau County, IL’s racial and ethnic demographics?
Non-Hispanic white residents make up 85.5% of the Bureau County, IL population, higher than the national share of 57.5%.
In contrast, Bureau County’s non-Hispanic Black or African American population accounts for 1%, below the 12.6% nationwide, and the Hispanic population makes up 10.9% of the county, compared with 20% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Bureau County, IL has a higher share of a non-Hispanic white population than Illinois as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Bureau County, IL is Princeton with about 7,700 residents in 2024.
Cities and towns in Bureau County, IL ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Princeton (pt.) | 7,660 |
| 2. | Spring Valley | 5,404 |
| 3. | De Pue (pt.) | 1,573 |
| 4. | Ladd | 1,387 |
| 5. | Walnut | 1,265 |
| 6. | Wyanet | 858 |
| 7. | Sheffield (pt.) | 746 |
| 8. | La Moille (pt.) | 670 |
| 9. | Dalzell (pt.) | 643 |
| 10. | Buda | 465 |
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.