Grant County's 2026 population is estimated at 53,202, reflecting a 0.83% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Grant County is the 28th largest county in Wisconsin. The 2010 population was 51,234 and has grown 3.84% since 2010.
Data after 2023 is projected based on recent change
Overall: 36.8 years
Female: 40 years
Male: 34.4 years
There are 40,828 adults, (9,591 of whom are seniors) in Grant County.
Female: 24,919 (48.1%)
Male: 26,851 (51.9%)
The racial composition of Grant County includes 93.66% White, and smaller percentages for Two or more races, Black or African American, other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 48,488 | 93.66% |
| Two or more races | 1,476 | 2.85% |
| Black or African American | 853 | 1.65% |
| Other race | 484 | 0.93% |
| Asian | 368 | 0.71% |
| Native American | 80 | 0.15% |
| Native Hawaiian or Pacific Islander | 21 | 0.04% |
Grant County 's average per capita income is $46,559. Household income levels show a median of $66,858. The poverty rate stands at 12.99%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $98,697 | $115,724 |
| Families | $90,075 | $106,797 |
| Households | $66,858 | $86,594 |
| Non Families | $39,627 | $52,829 |
Average Income
Median Household Income
Poverty Rate
