Sibley County's estimated 2026 population is 15,422 with a growth rate of 0.43% in the past year according to the most recent United States census data. Sibley County is the 54th largest county in Minnesota. The 2010 population was 15,257 and has seen a growth of 1.08% since that time.
Data after 2023 is projected based on recent change
Overall: 42.4 years
Female: 42.4 years
Male: 42.3 years
There are 11,615 adults, (2,922 of whom are seniors) in Sibley County.
Female: 7,280 (48.5%)
Male: 7,725 (51.5%)
The racial composition of Sibley County includes 87.9% White, 3.05% other race, and smaller percentages for Black or African American, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 13,189 | 87.9% |
| Two or more races | 1,075 | 7.16% |
| Other race | 458 | 3.05% |
| Black or African American | 179 | 1.19% |
| Asian | 61 | 0.41% |
| Native American | 33 | 0.22% |
| Native Hawaiian or Pacific Islander | 10 | 0.07% |
Sibley County's average per capita income is $51,153. Household income levels show a median of $77,634. The poverty rate stands at 9.01%.
Name | Median | Mean |
|---|---|---|
| Married Families | $112,500 | - |
| Families | $100,150 | $117,096 |
| Households | $77,634 | $97,335 |
| Non Families | $46,542 | $57,899 |
Average Income
Median Household Income
Poverty Rate
