Martinsburg is a village located in Knox County, Ohio. Martinsburg has a 2025 population of 222 . Martinsburg is currently declining at a rate of -0.45% annually and its population has decreased by -0.89% since the most recent census, which recorded a population of 224 in 2020.
The average household income in Martinsburg is $59,884 with a poverty rate of 7.32%. The median age in Martinsburg is 38.8 years: 31.5 years for males, and 40.5 years for females. For every 100 females there are 72.5 males.
Data after 2023 is projected based on recent change
The racial composition of Martinsburg includes 99.04% White, and smaller percentages for Two or more races and multiracial populations.
White (99.04%)
Two or more races (0.96%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 311 | 99.04% |
| Two or more races | 3 | 0.96% |
Married
Widowed
Divorced
Separated
Never Married
Martinsburg's average per capita income is $32,500. Household income levels show a median of $49,375. The poverty rate stands at 7.32%.
Name | Median | Mean |
|---|---|---|
| Families | $52,679 | $61,875 |
| Households | $49,375 | $59,884 |
| Non Families | $34,583 | $40,874 |
| Married Families | - | - |
Average Income
Median Household Income
Poverty Rate