Marquette is a city located in McPherson County, Kansas. Marquette has a 2025 population of 594 . Marquette is currently declining at a rate of -0.34% annually and its population has decreased by -1.33% since the most recent census, which recorded a population of 602 in 2020.
The average household income in Marquette is $90,102 with a poverty rate of 14.41%. The median age in Marquette is 51.7 years: 59.1 years for males, and 49.5 years for females. For every 100 females there are 104.2 males.
Data after 2023 is projected based on recent change
The racial composition of Marquette includes 96.08% White, and smaller percentages for Asian and multiracial populations.
White (96.08%)
Two or more races (3.77%)
Asian (0.16%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 612 | 96.08% |
| Two or more races | 24 | 3.77% |
| Asian | 1 | 0.16% |
Married
Widowed
Divorced
Separated
Never Married
Marquette's average per capita income is $45,074. Household income levels show a median of $59,400. The poverty rate stands at 14.41%.
Name | Median | Mean |
|---|---|---|
| Married Families | $67,000 | - |
| Families | $64,792 | $76,434 |
| Households | $59,400 | $90,102 |
| Non Families | $51,146 | $106,648 |
Average Income
Median Household Income
Poverty Rate