Monongalia County's estimated 2025 population is 109,198 with a growth rate of 0.68% in the past year according to the most recent United States census data. Monongalia County is the 3rd largest county in West Virginia. The 2010 population was 96,768 and has seen a growth of 12.85% since that time.
Data after 2023 is projected based on recent change
The racial composition of Monongalia County includes 87.4% White, 3.6% Black or African American, 3.52% Asian, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 93,097 | 87.4% |
| Two or more races | 4,500 | 4.22% |
| Black or African American | 3,834 | 3.6% |
| Asian | 3,745 | 3.52% |
| Other race | 1,263 | 1.19% |
| Native American | 80 | 0.08% |
| Native Hawaiian or Pacific Islander | 1 | 0% |
Married
Widowed
Divorced
Separated
Never Married
Monongalia County's average per capita income is $50,435. Household income levels show a median of $62,704. The poverty rate stands at 20.51%.
Name | Median | Mean |
|---|---|---|
| Married Families | $124,599 | $151,307 |
| Families | $102,354 | $130,427 |
| Households | $62,704 | $94,045 |
| Non Families | $36,362 | $51,334 |
Average Income
Median Household Income
Poverty Rate