How many people live in Isanti County, MN?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 43,700 people living in Isanti County, MN. That makes Isanti County the 24th-most populous county in Minnesota. It is home to 0.75% of people living in the state.
43.7K
population of Isanti County, MN (2024)
0.75%
County share of the Minnesota population (2024)
About 43,700 people lived in Isanti County, MN in 2024.
Population estimates, 2000–2024
What are Isanti County, MN’s age demographics?
About 8,000 Isanti County residents are aged 65 and older in 2024. That represents 18.3% of its population. For comparison, the age group represents 18.3% of Minnesota’s population and 18% in the US overall.
Another 9,900 Isanti 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 Isanti County, MN's population is aged 18–24 than the US as a whole.
Population estimates by age group, (2024)
What are Isanti County, MN’s racial and ethnic demographics?
Non-Hispanic white residents make up 90.7% of the Isanti County, MN population, higher than the national share of 57.5%.
In contrast, Isanti County’s Hispanic population accounts for 3%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 1.2% 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.
Isanti 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 Isanti County, MN is Cambridge with about 11,000 residents in 2024.
Cities and towns in Isanti County, MN ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Cambridge | 10,974 |
| 2. | Isanti | 7,493 |
| 3. | Bradford | 3,501 |
| 4. | Cambridge | 2,546 |
| 5. | Stanford | 2,356 |
| 6. | Isanti | 2,324 |
| 7. | Athens | 2,140 |
| 8. | Wyanett | 1,803 |
| 9. | Braham (pt.) | 1,776 |
| 10. | North Branch | 1,756 |
Keep exploring
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.
