How many people live in Champaign County, IL?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 212,400 people living in Champaign County, IL. That makes Champaign County the 10th-most populous county in Illinois. It is home to 1.7% of people living in the state.
212K
population of Champaign County, IL (2024)
1.7%
County share of the Illinois population (2024)
About 212,400 people lived in Champaign County, IL in 2024.
Population estimates, 2000–2024
What are Champaign County, IL’s age demographics?
About 30,900 Champaign County, IL residents are aged 65 and older in 2024. That represents 14.5% of its population. For comparison, the age group represents 17.9% of Illinois' population and 18% in the US overall.
Another 39,600 Champaign County residents, or 18.6% 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 Champaign County, IL's population is aged 18–24 than the US as a whole.
Population estimates by age group, (2024)
What are Champaign County, IL’s racial and ethnic demographics?
Non-Hispanic white residents make up 61.6% of the Champaign County, IL population, higher than the national share of 57.5%. Champaign County, IL also has a larger share of people identifying as non-Hispanic Black or African American (13.9%) than the US overall (12.6%).
In contrast, Champaign County’s Hispanic population accounts for 8.6%, below the 20% nationwide, and the non-Hispanic American Indian and Alaska Native population makes up 0.18% of the county, compared with 0.72% 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.
Champaign County, IL has a higher share of a non-Hispanic Asian population than Illinois as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Champaign County, IL is Champaign with about 92,000 residents in 2024.
Cities and towns in Champaign County, IL ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Champaign | 91,961 |
| 2. | Urbana | 39,831 |
| 3. | Mahomet (pt.) | 10,618 |
| 4. | Rantoul (pt.) | 8,779 |
| 5. | Urbana | 7,589 |
| 6. | Savoy (pt.) | 6,889 |
| 7. | St. Joseph | 3,772 |
| 8. | Tolono | 3,581 |
| 9. | Rantoul (pt.) | 3,489 |
| 10. | Savoy (pt.) | 2,371 |
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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.
