Marion County's estimated 2026 population is 55,483 with a growth rate of -0.18% in the past year according to the most recent United States census data. Marion County is the 11th largest county in West Virginia. The 2010 population was 56,566 and has seen a growth of -1.91% since that time.
Data after 2023 is projected based on recent change
Overall: 40.3 years
Female: 41.5 years
Male: 39.2 years
There are 44,804 adults, (11,236 of whom are seniors) in Marion County.
Female: 27,916 (49.9%)
Male: 27,993 (50.1%)
The racial composition of Marion County includes 91.57% 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 | 51,194 | 91.57% |
| Two or more races | 2,711 | 4.85% |
| Black or African American | 1,428 | 2.55% |
| Asian | 323 | 0.58% |
| Other race | 240 | 0.43% |
| Native American | 12 | 0.02% |
| Native Hawaiian or Pacific Islander | 1 | 0% |
Marion County's average per capita income is $47,361. Household income levels show a median of $67,370. The poverty rate stands at 13.56%.
Name | Median | Mean |
|---|---|---|
| Married Families | $96,850 | $107,605 |
| Families | $85,051 | $95,376 |
| Households | $67,370 | $82,263 |
| Non Families | $43,487 | $55,923 |
Average Income
Median Household Income
Poverty Rate