Marshall County's estimated 2026 population is 16,360 with a growth rate of 0.65% in the past year according to the most recent United States census data. Marshall County is the 43rd largest county in Oklahoma. The 2010 population was 15,838 and has seen a growth of 3.3% since that time.
Data after 2023 is projected based on recent change
Overall: 41.6 years
Female: 43.4 years
Male: 39.8 years
There are 12,118 adults, (3,556 of whom are seniors) in Marshall County.
Female: 7,755 (49.1%)
Male: 8,037 (50.9%)
The racial composition of Marshall County includes 66.04% White, 7.83% other race, 7.14% Native American, and smaller percentages for Asian, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 10,429 | 66.04% |
| Two or more races | 2,839 | 17.98% |
| Other race | 1,237 | 7.83% |
| Native American | 1,127 | 7.14% |
| Asian | 69 | 0.44% |
| Black or African American | 67 | 0.42% |
| Native Hawaiian or Pacific Islander | 24 | 0.15% |
Marshall County's average per capita income is $42,139. Household income levels show a median of $57,245. The poverty rate stands at 16.08%.
Name | Median | Mean |
|---|---|---|
| Married Families | $76,331 | - |
| Families | $65,039 | $85,163 |
| Households | $57,245 | $74,592 |
| Non Families | $28,048 | $48,296 |
Average Income
Median Household Income
Poverty Rate
