Sulphur Rock is a town located in Independence County, Arkansas. Sulphur Rock has a 2025 population of 649 . Sulphur Rock is currently declining at a rate of -0.15% annually and its population has decreased by -0.61% since the most recent census, which recorded a population of 653 in 2020.
The average household income in Sulphur Rock is $61,869 with a poverty rate of 20.75%. The median age in Sulphur Rock is 30.3 years: 32 years for males, and 29.5 years for females. For every 100 females there are 94.0 males.
Data after 2023 is projected based on recent change
The racial composition of Sulphur Rock includes 75.64% White, 3.48% Black or African American, and smaller percentages for other race, Native American and multiracial populations.
White (75.64%)
Two or more races (18.88%)
Black or African American (3.48%)
Other race (1.87%)
Native American (0.13%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 565 | 75.64% |
| Two or more races | 141 | 18.88% |
| Black or African American | 26 | 3.48% |
| Other race | 14 | 1.87% |
| Native American | 1 | 0.13% |
Married
Widowed
Divorced
Separated
Never Married
Sulphur Rock's average per capita income is $38,589. Household income levels show a median of $49,440. The poverty rate stands at 20.75%.
Name | Median | Mean |
|---|---|---|
| Non Families | $81,000 | $69,496 |
| Married Families | $74,750 | - |
| Households | $49,440 | $61,869 |
| Families | $47,824 | $56,387 |
Average Income
Median Household Income
Poverty Rate