Rock Hill, Missouri Demographics & Population 2026
During the 2020–2024 ACS period, Rock Hill, Missouri had a total population of 4,693, the 155th largest city in Missouri, with a median household income of $95,372, which is 35% higher than the state average. The poverty rate is 5.2%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 35% above the state average — one of the wealthiest communities in Missouri.
- 65.8% of adults hold a bachelor's degree or higher — top 10% in Missouri.
Rock Hill Quick Facts
How Rock Hill Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 4,708 | 4,693 | -0.3% |
| Median household income | $91,477 | $95,372 | +4.3% |
| Median home value | $256,400 | $278,700 | +8.7% |
How Rock Hill Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
Moderate diversity with one or two groups making up the majority.
State average: 40 | National average: 61
Education
Educational Attainment (Adults 25+)
Rock Hill Rankings in Missouri
Explore Missouri Rankings
Other Cities in St. Louis County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Florissant | 51,773 | $65,318 | 10.1% | $148,800 |
| Chesterfield | 49,574 | $133,037 | 3.9% | $472,500 |
| Oakville | 35,333 | $106,362 | 6.4% | $318,600 |
| Wildwood | 35,133 | $161,060 | 2.2% | $495,800 |
| University City | 34,685 | $80,694 | 14.5% | $306,700 |
| Ballwin | 31,279 | $124,626 | 4.8% | $377,100 |
| Mehlville | 29,805 | $67,071 | 7.8% | $218,400 |
| Kirkwood | 29,363 | $121,270 | 5.3% | $451,400 |
| Maryland Heights | 27,880 | $86,436 | 4.7% | $227,000 |
| Hazelwood | 25,114 | $55,908 | 15.9% | $167,400 |
Cities Similar to Rock Hill
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Ashland | 4,914 | $93,143 | $258,500 | 45.3% | 4.1% |
| Holts Summit | 4,609 | $85,064 | $191,900 | 26.7% | 4.8% |
| Herculaneum | 5,071 | $93,438 | $234,300 | 23.0% | 5.6% |
| Higginsville | 4,781 | $81,033 | $166,100 | 29.9% | 6.8% |
| Crystal City | 4,718 | $72,598 | $185,800 | 14.5% | 11.4% |
Population Overview
Rock Hill is a small community located in Missouri, within St. Louis County. The total population is 4,693. It ranks as the 155th most populous out of 1,062 Census-designated places in Missouri.
Age Demographics
The median age in Rock Hill is 37.5 years. This is 4% lower than the state median of 39.0 years.
Economy, Income & Housing
The median household income in Rock Hill is $95,372. This is 35% higher than the state median of $70,702. It is also 18% higher than the national median of $80,734. The poverty rate stands at 5.2%. This is 59% lower than the state poverty rate of 12.6%. The unemployment rate is 2.6%. This is 35% lower than the state rate of 4.0%. The median home value is $278,700. Housing costs are 21% higher than the state median of $230,300. With a home-value-to-income ratio of just 2.9x, Rock Hill is one of the most affordable housing markets in the area. 82.1% of occupied housing units are owner-occupied. This homeownership rate is 20% higher than the state average of 68.1%.
Race & Ethnicity
The largest racial or ethnic group in Rock Hill is White (non-Hispanic), making up 69.5% of the population. Black or African American residents account for 21.9%. The Black or African American population is significantly higher than the state average (21.9% vs 10.9%).
Education
65.8% of residents aged 25 and older hold a bachelor's degree or higher. This places Rock Hill in the top 10% of all cities in the state for educational attainment. This is 103% higher than the state rate of 32.4%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 96.8%. Notably, 24.0% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Rock Hill, Missouri is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Missouri state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,062 Census-designated places in Missouri. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Rock Hill, Missouri?
Rock Hill, Missouri has a population of 4,693 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Rock Hill, MO?
The median household income in Rock Hill is $95,372, which is 18% higher than the national median of $80,734.
What is the poverty rate in Rock Hill, MO?
The poverty rate in Rock Hill is 5.2%. This means approximately 244 residents live below the federal poverty line.
What is the racial makeup of Rock Hill, Missouri?
Rock Hill's population is 69.5% White, 21.9% Black, 2.7% Hispanic/Latino, and 1.7% Asian.
What is the median home value in Rock Hill, MO?
The median home value in Rock Hill is $278,700. The home-value-to-income ratio is 2.9x.
How educated is Rock Hill, Missouri?
65.8% of adults (25+) in Rock Hill hold a bachelor's degree or higher, and 24.0% hold a graduate or professional degree.