Sparta is located in Sussex County, New Jersey. Sparta has a 2025 population of 20,507 . Sparta is currently growing at a rate of 0.71% annually and its population has increased by 4.5% since the most recent census, which recorded a population of 19,623 in 2020.
The average household income in Sparta is $205,915 with a poverty rate of 3.1%. The median age in Sparta is 42.2 years: 42.2 years for males, and 42.1 years for females. For every 100 females there are 94.8 males.
Data after 2023 is projected based on recent change
The racial composition of Sparta includes 85.54% White, 3.88% Asian, 3.4% other race, and smaller percentages for Black or African American, Native American and multiracial populations.
White (85.54%)
Two or more races (5.73%)
Asian (3.88%)
Other race (3.4%)
Black or African American (0.79%)
Native American (0.65%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 17,025 | 85.54% |
| Two or more races | 1,140 | 5.73% |
| Asian | 773 | 3.88% |
| Other race | 677 | 3.4% |
| Black or African American | 158 | 0.79% |
| Native American | 130 | 0.65% |
Married
Widowed
Divorced
Separated
Never Married
Sparta's average per capita income is $94,277. Household income levels show a median of $167,371. The poverty rate stands at 3.1%.
Name | Median | Mean |
|---|---|---|
| Married Families | $202,899 | - |
| Families | $197,953 | $239,948 |
| Households | $167,371 | $205,915 |
| Non Families | $74,200 | $89,120 |
Average Income
Median Household Income
Poverty Rate