Rock Hill had an estimated 75,911 residents on July 1, 2025, up 2.1% since the 2020 census and 14.7% since 2010, the Census Bureau says.
Last checked Oct. 12, 2026. Figures come from the U.S. Census Bureau: the Vintage 2025 population estimates, the 2000, 2010 and 2020 censuses, and the 2020-2024 American Community Survey 5-year estimates. See also Census QuickFacts for Rock Hill.
Rock Hill had an estimated 75,911 residents on July 1, 2025, according to the Census Bureau. That makes it York County’s largest city, with about a quarter (24.7%) of the county’s 306,887 people. Growth has slowed: the city added about 1,539 people from the 2020 census to mid-2025, a 2.1% gain, while York County grew 8.8%.
Who to call
- Census data: census.gov and QuickFacts for Rock Hill
- City planning and growth: Rock Hill Planning and Development, 803-329-5590
- Find any figure: data.census.gov profile for Rock Hill
Growth over 25 years
| Year | Population | Source |
|---|---|---|
| 2000 | 49,765 | Census |
| 2010 | 66,154 | Census |
| 2020 | 74,372 | Census |
| 2025 | 75,911 | Census Bureau estimate, July 1 |
Rock Hill grew 32.9% in the 2000s and 12.4% in the 2010s. Since 2010 it has added 9,757 people, or 14.7%.
Chart: Rock Hill population
The annual estimates show steady small gains each year since 2020: 74,631 in 2020, 74,646 in 2021, 75,225 in 2022, 75,552 in 2023, 75,797 in 2024 and 75,911 in 2025.
Who lives in Rock Hill
From the Census Bureau’s 2020-2024 American Community Survey, which averages five years of survey answers:
| Measure | Rock Hill | York County |
|---|---|---|
| Median age | 35.7 | 39.7 |
| Median household income | $68,771 | $89,095 |
| Median home value (owner-occupied) | $295,100 | $361,300 |
| Homes occupied by their owners | 54.2% | 74.5% |
| Adults 25+ with a bachelor’s degree or higher | 35.1% | 39.3% |
Rock Hill has 31,307 households, averaging 2.31 people each, and 33,877 housing units. About 12.6% of residents live below the poverty line.
Rock Hill and its neighbors
| Place | 2020 census | 2025 estimate | Change |
|---|---|---|---|
| Rock Hill | 74,372 | 75,911 | +2.1% |
| Fort Mill | 24,521 | 38,673 | +57.7% |
| Tega Cay | 12,832 | 14,457 | +12.7% |
| York | 8,503 | 10,620 | +24.9% |
| York County | 282,090 | 306,887 | +8.8% |
Fort Mill alone added about 14,000 residents in five years. Lake Wylie, a Census-designated community and not a town, counted 13,655 people in 2020.
How to read these numbers
- Census counts (2000, 2010, 2020) are full counts on April 1 of those years.
- Population estimates are the Census Bureau’s yearly figures for July 1, built from births, deaths, migration and housing; they can be revised.
- American Community Survey figures are survey estimates averaged over 2020 to 2024 and carry margins of error. They describe the period, not a single year.
What this means for you
- Rock Hill is still York County’s biggest city, but its growth has flattened since 2020.
- Fort Mill and the county around it are where the new households are going.
- For home values, see our home prices guide, which uses newer market data.
More: Rock Hill, York County and the neighbors and moving to Rock Hill.
Frequently asked questions
What is the population of Rock Hill, SC?
The Census Bureau estimates 75,911 people lived in Rock Hill on July 1, 2025. The 2020 census counted 74,372.
Is Rock Hill growing?
Yes, slowly since 2020. The city added an estimated 1,539 people from the 2020 census to mid-2025, a 2.1% gain, after growing 12.4% between 2010 and 2020.
What is the median household income in Rock Hill?
$68,771, according to the Census Bureau’s 2020-2024 American Community Survey, compared with $89,095 for York County.
Is Rock Hill bigger than Fort Mill?
Yes. Rock Hill’s estimated 75,911 residents in 2025 is about twice Fort Mill’s 38,673, though Fort Mill has grown faster, by 57.7% since 2020.
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