Rock Hill is a city located in St. Louis County, Missouri. Rock Hill has a 2025 population of 4,651 . Rock Hill is currently declining at a rate of -0.39% annually and its population has decreased by -1.84% since the most recent census, which recorded a population of 4,738 in 2020.
The average household income in Rock Hill is $121,483 with a poverty rate of 5.97%. The median age in Rock Hill is 37.8 years: 37.7 years for males, and 37.8 years for females. For every 100 females there are 103.9 males.
Data after 2023 is projected based on recent change
The racial composition of Rock Hill includes 68.71% White, 22.83% Black or African American, and smaller percentages for Asian, other race, Native Hawaiian or Pacific Islander and multiracial populations.
White (68.71%)
Black or African American (22.83%)
Two or more races (4.48%)
Asian (2.97%)
Other race (0.87%)
Native Hawaiian or Pacific Islander (0.13%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 3,235 | 68.71% |
| Black or African American | 1,075 | 22.83% |
| Two or more races | 211 | 4.48% |
| Asian | 140 | 2.97% |
| Other race | 41 | 0.87% |
| Native Hawaiian or Pacific Islander | 6 | 0.13% |
Married
Widowed
Divorced
Separated
Never Married
Rock Hill's average per capita income is $64,093. Household income levels show a median of $91,477. The poverty rate stands at 5.97%.
Name | Median | Mean |
|---|---|---|
| Married Families | $144,474 | - |
| Families | $111,223 | $134,011 |
| Households | $91,477 | $121,483 |
| Non Families | $49,344 | $103,720 |
Average Income
Median Household Income
Poverty Rate