Sauk County's estimated 2026 population is 67,172 with a growth rate of 0.51% in the past year according to the most recent United States census data. Sauk County is the 25th largest county in Wisconsin. The 2010 population was 62,051 and has seen a growth of 8.25% since that time.
Data after 2023 is projected based on recent change
The racial composition of Sauk County includes 89.01% White, and smaller percentages for other race, Black or African American, Native American, Asian and multiracial populations.
White (89.01%)
Two or more races (5.97%)
Other race (2.92%)
Black or African American (0.93%)
Native American (0.68%)
Asian (0.49%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 58,535 | 89.01% |
| Two or more races | 3,926 | 5.97% |
| Other race | 1,922 | 2.92% |
| Black or African American | 612 | 0.93% |
| Native American | 445 | 0.68% |
| Asian | 319 | 0.49% |
Married
Widowed
Divorced
Separated
Never Married
Sauk County's average per capita income is $48,883. Household income levels show a median of $77,648. The poverty rate stands at 8.76%.
Name | Median | Mean |
|---|---|---|
| Married Families | $104,750 | $120,583 |
| Families | $95,162 | $109,454 |
| Households | $77,648 | $95,062 |
| Non Families | $46,041 | $63,227 |
Average Income
Median Household Income
Poverty Rate
