How many people live in Mille Lacs County, MN?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 27,600 people living in Mille Lacs County, MN. That makes Mille Lacs County the 39th-most populous county in Minnesota. It is home to 0.47% of people living in the state.
27.6K
population of Mille Lacs County, MN (2024)
0.47%
County share of the Minnesota population (2024)
About 27,600 people lived in Mille Lacs County, MN in 2024.
Population estimates, 2000–2024
What are Mille Lacs County, MN’s age demographics?
About 5,300 Mille Lacs County residents are aged 65 and older in 2024. That represents 19.2% of its population. For comparison, the age group represents 18.3% of Minnesota’s population and 18% in the US overall.
Another 6,300 Mille Lacs County residents, or 22.7% of the population, were children under 18. For comparison, the age group represents 22.4% of Minnesota’s population and 21.6% in the US overall.
A lower share of Mille Lacs County, MN's population is aged 18–24 than the US as a whole.
Population estimates by age group, (2024)
What are Mille Lacs County, MN’s racial and ethnic demographics?
Non-Hispanic white residents make up 88.5% of the Mille Lacs County population, higher than the national share of 57.5%. Mille Lacs County also has a larger share of people identifying as non-Hispanic American Indian and Alaska Native (4.8%) than the US overall (0.72%).
In contrast, Mille Lacs County’s Hispanic population accounts for 2.7%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 0.79% 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.
Mille Lacs County, MN has a higher share of a non-Hispanic white population than Minnesota as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Mille Lacs County, MN is Princeton with about 5,100 residents in 2024.
Cities and towns in Mille Lacs County, MN ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Princeton (pt.) | 5,071 |
| 2. | Milaca | 3,060 |
| 3. | Princeton | 2,341 |
| 4. | Borgholm | 1,904 |
| 5. | Milaca | 1,699 |
| 6. | Milo | 1,577 |
| 7. | Kathio | 1,568 |
| 8. | Bogus Brook | 1,530 |
| 9. | Greenbush | 1,328 |
| 10. | South Harbor | 888 |
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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.
