How many people live in ?

Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 15,200 people living in Sibley County, MN. That makes Sibley County the 56th-most populous county in Minnesota. It is home to 0.26% of people living in the state.

15.2K

population of Sibley County, MN (2024)

0.26%

County share of the Minnesota population (2024)

About 15,200 people lived in Sibley County, MN in 2024.

Population estimates, 2000–2024

What are Sibley County, MN’s age demographics?

About 3,100 Sibley County residents are aged 65 and older in 2024. That represents 20.6% of its population. For comparison, the age group represents 18.3% of Minnesota’s population and 18% in the US overall.
Another 3,400 Sibley County residents, or 22.3% 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 Sibley County, MN's population is aged 25–44 than the US as a whole.

Population estimates by age group, (2024)

What are Sibley County, MN’s racial and ethnic demographics?

Non-Hispanic white residents make up 86.3% of the Sibley County, MN population, higher than the national share of 57.5%.
In contrast, Sibley County’s non-Hispanic Black or African American population accounts for 0.97%, below the 12.6% nationwide, and the Hispanic population makes up 10% of the county, compared with 20% 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.

Sibley 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 Sibley County, MN is Gaylord with about 2,300 residents in 2024.

Cities and towns in Sibley County, MN ranked by population

Population (2024), includes only portions within county

Cities and towns in Sibley County, MN ranked by population
City or townPopulation
1.

Gaylord 

2,334
2.

Arlington 

2,314
3.

Winthrop 

1,332
4.

Henderson 

988
5.

Gibbon 

788
6.

Faxon 

727
7.

Green Isle

694
8.

Henderson 

672
9.

Green Isle

530
10.

Arlington 

482

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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.