Johnsonburg is a CDP located in Warren County, New Jersey. Johnsonburg has a 2025 population of 562 . Johnsonburg is currently growing at a rate of 5.64% annually and its population has increased by 54.82% since the most recent census, which recorded a population of 363 in 2020.
The average household income in Johnsonburg is $139,188 with a poverty rate of 0%. The median age in Johnsonburg is 48.4 years: 31.9 years for males, and 51.1 years for females. For every 100 females there are 131.0 males.
Data after 2023 is projected based on recent change
The racial composition of Johnsonburg includes 97.88% White, and smaller percentages for Two or more races and multiracial populations.
White (97.88%)
Two or more races (2.12%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 416 | 97.88% |
| Two or more races | 9 | 2.12% |
Married
Widowed
Divorced
Separated
Never Married
Johnsonburg's average per capita income is $81,528. Household income levels show a median of $113,500. The poverty rate stands at 0%.
Name | Median | Mean |
|---|---|---|
| Married Families | $165,682 | - |
| Families | $127,292 | $156,633 |
| Households | $113,500 | $139,188 |
| Non Families | $59,464 | $61,932 |
Average Income
Median Household Income
Poverty Rate