Rock is located in Jefferson County, Missouri. Rock has a 2025 population of 34,479. Rock is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The average household income in Rock is $102,288 with a poverty rate of 8.91%.The median age in Rock is 39.1 years: 39.3 years for males, and 38.9 years for females.
Data after 2023 is projected based on recent change
The racial composition of Rock includes 88.74% White, and smaller percentages for Asian, other race, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
White (88.7%)
Two or more races (6.7%)
Asian (1.7%)
Other race (1.4%)
Black or African American (1.3%)
Native American (0.1%)
Native Hawaiian or Pacific Islander (0.0%)
Race | Population | Percentage (of total) |
---|---|---|
White | 30,598 | 88.74% |
Two or more races | 2,304 | 6.68% |
Asian | 595 | 1.73% |
Other race | 487 | 1.41% |
Black or African American | 459 | 1.33% |
Native American | 25 | 0.07% |
Native Hawaiian or Pacific Islander | 11 | 0.03% |
Married
Widowed
Divorced
Separated
Never Married
Rock's average per capita income is $48,906. Household income levels show a median of $82,232. The poverty rate stands at 8.91%.
Name | Median | Mean |
---|---|---|
Married Families | $109,192 | - |
Families | $93,276 | $108,917 |
Households | $82,232 | $102,288 |
Non Families | $50,164 | $79,897 |
Average Income
Median Household Income
Poverty Rate