Rock Hill

County:: St. Louis County
County Seat:: No
Area (mi²):: 1.103
State:: Missouri

Rock Hill is a city located in St. Louis County, Missouri. Rock Hill has a 2025 population of 4,587. Rock Hill is currently declining at a rate of -0.67% annually and its population has decreased by -3.27% since the most recent census, which recorded a population of 4,742 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.

Demographics

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, Native American and multiracial populations.

Population by Race

White

Black or African American

Two or more races

Asian

Other race

Native Hawaiian or Pacific Islander

Native American

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%
Native American	0	0%

Rock Hill Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

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%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$144,474	-
Families	$111,223	$134,011
Households	$91,477	$121,483
Non Families	$49,344	$103,720

$64,093

Average Income

$91,477

Median Household Income

5.97%

Poverty Rate