Marion is a city located in Linn County, Iowa. Marion has a 2026 population of 43,026. Marion is currently growing at a rate of 0.57% annually and its population has increased by 3.49% since the most recent census, which recorded a population of 41,574 in 2020.
The median household income in Marion is $86,743 with a poverty rate of 8.15%. The median age in Marion is 40.6 years: 40 years for males, and 41.3 years for females. For every 100 females there are 87.4 males.
Data after 2023 is projected based on recent change
Overall: 40.6 years
Female: 41.3 years
Male: 40 years
There are 31,260 adults, (7,523 of whom are seniors) in Marion.
Female: 22,358 (53.4%)
Male: 19,538 (46.6%)
The racial composition of Marion includes 87.6% White, and smaller percentages for Black or African American, Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 36,701 | 87.6% |
| Two or more races | 2,642 | 6.31% |
| Black or African American | 1,089 | 2.6% |
| Asian | 895 | 2.14% |
| Other race | 457 | 1.09% |
| Native American | 77 | 0.18% |
| Native Hawaiian or Pacific Islander | 35 | 0.08% |
Marion 's average per capita income is $56,814. Household income levels show a median of $86,743. The poverty rate stands at 8.15%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $128,735 | - |
| Families | $115,831 | $129,368 |
| Households | $86,743 | $106,844 |
| Non Families | $44,788 | $56,698 |
Average Income
Median Household Income
Poverty Rate