Sibley County's estimated 2026 population is 15,320 with a growth rate of 0.41% 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 0.41% since that time.
Data after 2023 is projected based on recent change
The racial composition of Sibley County includes 89.45% White, and smaller percentages for other race, Black or African American, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
White (89.45%)
Two or more races (6.31%)
Other race (2.6%)
Black or African American (0.98%)
Asian (0.36%)
Native American (0.22%)
Native Hawaiian or Pacific Islander (0.07%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 13,357 | 89.45% |
| Two or more races | 942 | 6.31% |
| Other race | 389 | 2.6% |
| Black or African American | 147 | 0.98% |
| Asian | 54 | 0.36% |
| Native American | 33 | 0.22% |
| Native Hawaiian or Pacific Islander | 11 | 0.07% |
Married
Widowed
Divorced
Separated
Never Married
Sibley County's average per capita income is $48,916. Household income levels show a median of $76,082. The poverty rate stands at 9.89%.
Name | Median | Mean |
|---|---|---|
| Married Families | $105,066 | - |
| Families | $94,167 | $112,427 |
| Households | $76,082 | $95,336 |
| Non Families | $46,510 | $60,482 |
Average Income
Median Household Income
Poverty Rate
