How many people live in Waseca County, MN?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 18,700 people living in Waseca County, MN. That makes Waseca County the 50th-most populous county in Minnesota. It is home to 0.32% of people living in the state.
18.7K
population of Waseca County, MN (2024)
0.32%
County share of the Minnesota population (2024)
About 18,700 people lived in Waseca County, MN in 2024.
Population estimates, 2000–2024
What are Waseca County, MN’s age demographics?
About 3,800 Waseca County residents are aged 65 and older in 2024. That represents 20.2% of its population. For comparison, the age group represents 18.3% of Minnesota’s population and 18% in the US overall.
Another 4,100 Waseca County residents, or 21.9% 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 higher share of Waseca County, MN's population is aged 65 or older than the US as a whole.
Population estimates by age group, (2024)
What are Waseca County, MN’s racial and ethnic demographics?
Non-Hispanic white residents make up 86.7% of the Waseca County, MN population, higher than the national share of 57.5%.
In contrast, Waseca County’s Hispanic population accounts for 8%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 2.1% 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.
Waseca 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 Waseca County, MN is Waseca with about 9,100 residents in 2024.
Cities and towns in Waseca County, MN ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Waseca | 9,067 |
| 2. | Janesville | 2,462 |
| 3. | Woodville | 1,257 |
| 4. | New Richland | 1,189 |
| 5. | Blooming Grove | 565 |
| 6. | Otisco | 546 |
| 7. | Janesville | 534 |
| 8. | Iosco | 503 |
| 9. | New Richland | 426 |
| 10. | Alton | 418 |
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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.
