Sauk County's estimated 2026 population is 66,751 with a growth rate of 0.15% 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 7.57% since that time.
Data after 2023 is projected based on recent change
Overall: 41.6 years
Female: 42.3 years
Male: 41.1 years
There are 51,257 adults, (13,140 of whom are seniors) in Sauk County.
Female: 32,852 (49.8%)
Male: 33,157 (50.2%)
The racial composition of Sauk County includes 87.3% White, 3.31% other race, and smaller percentages for Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 57,628 | 87.3% |
| Two or more races | 4,987 | 7.56% |
| Other race | 2,182 | 3.31% |
| Black or African American | 517 | 0.78% |
| Native American | 381 | 0.58% |
| Asian | 296 | 0.45% |
| Native Hawaiian or Pacific Islander | 18 | 0.03% |
Sauk County's average per capita income is $51,358. Household income levels show a median of $79,541. The poverty rate stands at 8.06%.
Name | Median | Mean |
|---|---|---|
| Married Families | $107,988 | $125,223 |
| Families | $98,301 | $113,710 |
| Households | $79,541 | $98,005 |
| Non Families | $47,616 | $65,356 |
Average Income
Median Household Income
Poverty Rate
