How many people live in Monroe County, IN?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 140,700 people living in Monroe County, IN. That makes Monroe County the 12th-most populous county in Indiana. It is home to 2% of people living in the state.
141K
population of Monroe County, IN (2024)
2%
County share of the Indiana population (2024)
About 140,700 people lived in Monroe County, IN in 2024.
Population estimates, 2000–2024
What are Monroe County, IN’s age demographics?
About 22,000 Monroe County, IN residents are aged 65 and older in 2024. That represents 15.6% of its population. For comparison, the age group represents 17.5% of Indiana’s population and 18% in the US overall.
Another 21,700 Monroe County residents, or 15.4% of the population, were children under 18. For comparison, the age group represents 22.9% of Indiana’s population and 21.6% in the US overall.
A higher share of Monroe County, IN's population is aged 18–24 than the US as a whole.
Population estimates by age group, (2024)
What are Monroe County, IN’s racial and ethnic demographics?
Non-Hispanic white residents make up 80.4% of the Monroe County, IN population, higher than the national share of 57.5%. Monroe County, IN also has a larger share of people identifying as non-Hispanic Asian (7.7%) than the US overall (6.5%).
In contrast, Monroe County’s Hispanic population accounts for 5.1%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 3.8% of the county, compared with 12.6% 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.
Monroe County, IN has a higher share of a non-Hispanic white population than Indiana as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Monroe County, IN is Bloomington with about 39,600 residents in 2024.
Cities and towns in Monroe County, IN ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Bloomington (pt.) | 39,589 |
| 2. | Bloomington (pt.) | 38,277 |
| 3. | Ellettsville (pt.) | 6,823 |
| 4. | Clear Creek | 5,301 |
| 5. | Benton | 3,255 |
| 6. | Bloomington (pt.) | 2,090 |
| 7. | Washington | 1,979 |
| 8. | Indian Creek | 1,563 |
| 9. | Salt Creek | 1,451 |
| 10. | Polk | 281 |
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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.
