Marion is located in Grundy County, Missouri. Marion has a 2025 population of 258 . Marion is currently declining at a rate of -0.39% annually and its population has decreased by -0.39% since the most recent census, which recorded a population of 259 in 2020.
The average household income in Marion is $78,702 with a poverty rate of 17.42%. The median age in Marion is 45.3 years: 58.1 years for males, and 33 years for females. For every 100 females there are 168.6 males.
Data after 2023 is projected based on recent change
The racial composition of Marion includes 97.48% White, and smaller percentages for Two or more races, Native American and multiracial populations.
White (97.48%)
Two or more races (2.21%)
Native American (0.32%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 309 | 97.48% |
| Two or more races | 7 | 2.21% |
| Native American | 1 | 0.32% |
Married
Widowed
Divorced
Separated
Never Married
Marion's average per capita income is $44,375. Household income levels show a median of $47,813. The poverty rate stands at 17.42%.
Name | Median | Mean |
|---|---|---|
| Married Families | $73,365 | - |
| Families | $73,269 | $112,419 |
| Households | $47,813 | $78,702 |
| Non Families | - | $20,902 |
Average Income
Median Household Income
Poverty Rate