Marquette County's estimated 2026 population is 15,527 with a growth rate of -0.69% in the past year according to the most recent United States census data. Marquette County is the 64th largest county in Wisconsin. The 2010 population was 15,372 and has seen a growth of 1.01% since that time.
Data after 2023 is projected based on recent change
The racial composition of Marquette County includes 93.86% White, and smaller percentages for other race, Asian, Black or African American, Native American and multiracial populations.
White (93.86%)
Two or more races (3.28%)
Other race (1.48%)
Asian (0.56%)
Black or African American (0.52%)
Native American (0.31%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 14,741 | 93.86% |
| Two or more races | 515 | 3.28% |
| Other race | 232 | 1.48% |
| Asian | 88 | 0.56% |
| Black or African American | 82 | 0.52% |
| Native American | 48 | 0.31% |
Married
Widowed
Divorced
Separated
Never Married
Marquette County's average per capita income is $44,045. Household income levels show a median of $63,471. The poverty rate stands at 11.83%.
Name | Median | Mean |
|---|---|---|
| Married Families | $87,525 | $103,277 |
| Families | $77,899 | $94,056 |
| Households | $63,471 | $79,741 |
| Non Families | $38,790 | $51,161 |
Average Income
Median Household Income
Poverty Rate
