Dane County's 2026 population is estimated at 605,563, reflecting a 1.44% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Dane County is the 2nd largest county in Wisconsin. The 2010 population was 489,247 and has grown 23.77% since 2010.
Data after 2023 is projected based on recent change
Overall: 35.7 years
Female: 36.6 years
Male: 35 years
There are 459,882 adults, (86,269 of whom are seniors) in Dane County.
Female: 286,082 (50%)
Male: 286,592 (50%)
The racial composition of Dane County includes 77.28% White, 6.15% Asian, 5.2% Black or African American, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 442,561 | 77.28% |
| Two or more races | 51,214 | 8.94% |
| Asian | 35,212 | 6.15% |
| Black or African American | 29,788 | 5.2% |
| Other race | 12,232 | 2.14% |
| Native American | 1,320 | 0.23% |
| Native Hawaiian or Pacific Islander | 347 | 0.06% |
Dane County 's average per capita income is $62,464. Household income levels show a median of $89,975. The poverty rate stands at 10.62%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $142,044 | $173,473 |
| Families | $124,904 | $155,644 |
| Households | $89,975 | $119,709 |
| Non Families | $57,822 | $75,184 |
Average Income
Median Household Income
Poverty Rate