Martinsburg is located in Pike County, Illinois. Martinsburg has a 2025 population of 369 . Martinsburg is currently declining at a rate of 0% annually and its population has decreased by -1.34% since the most recent census, which recorded a population of 374 in 2020.
The average household income in Martinsburg is $74,112 with a poverty rate of 6.18%. The median age in Martinsburg is 62.2 years: 61.4 years for males, and 66.6 years for females. For every 100 females there are 123.3 males.
Data after 2023 is projected based on recent change
The racial composition of Martinsburg includes 100% White, and smaller percentages for and multiracial populations.
White (100%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 259 | 100% |
Married
Widowed
Divorced
Separated
Never Married
Martinsburg's average per capita income is $53,929. Household income levels show a median of $55,972. The poverty rate stands at 6.18%.
Name | Median | Mean |
|---|---|---|
| Married Families | $98,750 | - |
| Families | $94,844 | $97,820 |
| Households | $55,972 | $74,112 |
| Non Families | - | $34,033 |
Average Income
Median Household Income
Poverty Rate