Marquette County's 2026 population is estimated at 68,629, reflecting a 0.48% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Marquette County is the 28th largest county in Michigan. The 2010 population was 67,080 and has grown 2.31% since 2010.
Data after 2023 is projected based on recent change
Overall: 39.3 years
Female: 39.4 years
Male: 39.3 years
There are 55,363 adults, (13,634 of whom are seniors) in Marquette County.
Female: 33,057 (49.3%)
Male: 34,055 (50.7%)
The racial composition of Marquette County includes 91.19% White, and smaller percentages for Black or African American, Native American, Asian, other race, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 61,199 | 91.19% |
| Two or more races | 3,709 | 5.53% |
| Black or African American | 914 | 1.36% |
| Native American | 708 | 1.05% |
| Asian | 340 | 0.51% |
| Other race | 235 | 0.35% |
| Native Hawaiian or Pacific Islander | 7 | 0.01% |
Marquette County 's average per capita income is $44,978. Household income levels show a median of $65,429. The poverty rate stands at 13.95%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $94,897 | $113,331 |
| Families | $88,271 | $104,610 |
| Households | $65,429 | $82,058 |
| Non Families | $37,415 | $48,788 |
Average Income
Median Household Income
Poverty Rate
