Town · South Carolina
Harleyville, South Carolina
Harleyville, town, in Dorchester County, South Carolina. Harleyville had 773 residents on July 1, 2025 by the Census Bureau's estimate, up 13.5% since 2020; the 2020 Census counted 666 and the ACS 2020-2024 5-year estimates put it at 592 (±172). GEOID 4532335.
Residents, July 2025 estimate
773
Census Bureau estimate (no margin published)
2020 Census count: 666 · ACS 2020-2024: 592 ±172
Median household income
$64,844
±$29,256 (90% margin)
South Carolina: $69,324
Median home value
$199,600
±$26,776 (90% margin)
South Carolina: $259,000
Median gross rent
$769
±$415 (90% margin)
South Carolina: $1,180
Where is Harleyville and what county is it in?
Harleyville is a town in Dorchester County, South Carolina. It covers 1.1 square miles of land, 627 residents per square mile in 2020.
Harleyville is in the Charleston-North Charleston, SC metropolitan statistical area, which takes in 3 counties (Census Bureau delineation, July 2023).
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Harleyville, and is it growing?
The Census Bureau estimates that 773 people lived in Harleyville on July 1, 2025, up 13.5% since 2020, faster than South Carolina (+8.8%). The 2020 Census counted 666 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 592 (±172).
| Measure | Harleyville | Dorchester County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 592 ±172 | 167,201 | no clear change |
| Households | 259 ±71 | 63,179 | no clear change |
| Average household size | 2.28 ±0.39 | 2.61 | no clear change |
| Housing units | 307 ±80 | 67,865 | no clear change |
Harleyville's population since 2000
From 594 in 2000 to 773 in 2025: up 30.1%. The 2000, 2010 and 2020 figures are census counts, each for Harleyville as it was drawn that year: a place that annexed land, or a community that has since incorporated, covered a different area then. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Harleyville?
The median resident of Harleyville is 51.1 years old; 17.1% are under 18 and 23.6% are 65 or older. The largest group is non-Hispanic white residents at 73.6%, then non-Hispanic Black residents at 22.5%.
| Measure | Harleyville | Dorchester County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 51.1 ±9.7 | 38.0 | no clear change |
| Under 18 years | 17.1% ±8.8 pts | 24.1% | – |
| 65 years and over | 23.6% ±8.5 pts | 15.2% | – |
| Male | 48.3% ±6.2 pts | 48.8% | – |
| Hispanic or Latino (any race) | 3.4% ±4.6 pts | 7.2% | – |
| White alone, not Hispanic | 73.6% ±15.0 pts | 60.6% | no clear change |
| Black or African American alone, not Hispanic | 22.5% ±15.3 pts | 24.9% | – |
| Asian alone, not Hispanic | 0.0% ±7.3 pts | 2.1% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±7.3 pts | 0.2% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±7.3 pts | 0.0% | – |
| Two or more races, not Hispanic | 0.2% ±0.3 pts | 4.4% | – |
| Some other race alone, not Hispanic | 0.3% ±0.7 pts | 0.7% | – |
| Born outside the United States | 0.7% ±1.1 pts | 5.5% | – |
| Speak a language other than English at home (age 5+) | 2.5% ±4.2 pts | 7.5% | – |
| Civilian veterans (age 18+) | 7.9% ±3.9 pts | 11.8% | – |
| With a disability | 18.1% ±8.1 pts | 13.8% | – |
| No health insurance coverage | 8.3% ±4.8 pts | 10.2% | no clear change |
| High school graduate or higher (age 25+) | 89.0% ±6.6 pts | 92.1% | – |
| Bachelor's degree or higher (age 25+) | 8.5% ±3.6 pts | 29.8% | no clear change |
| Graduate or professional degree (age 25+) | 3.4% ±2.3 pts | 11.5% | – |
| Lived in the same house a year earlier | 87.0% ±9.7 pts | 87.1% | – |
| Moved from another state in the past year | 0.2% ±0.3 pts | 3.4% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Harleyville earn?
Half of Harleyville's 259 households earn less than $64,844 a year (±$29,256), against $78,198 in Dorchester County and $69,324 in South Carolina. In 2015-2019 it was $41,163 in 2024 dollars; the margins of error cannot tell the two periods apart. 25.9% of residents live below the poverty line.
| Measure | Harleyville | Dorchester County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $64,844 ±$29,256 | $78,198 | no clear change |
| Mean household income | $75,411 ±$14,787 | $100,220 | – |
| Per capita income | $34,726 ±$7,599 | $38,870 | +$14,085 |
| People below the poverty line | 25.9% ±14.5 pts | 11.4% | no clear change |
| Children under 18 below the poverty line | 65.0% ±31.5 pts | 16.8% | no clear change |
| Households receiving SNAP | 13.1% ±8.1 pts | 8.9% | – |
| Households with a computer | 86.5% ±8.3 pts | 96.3% | – |
| Households with a broadband subscription | 79.2% ±11.4 pts | 91.6% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Harleyville?
Owners occupy 68.3% of Harleyville's occupied homes and renters 31.7%. The median owner-occupied home is valued at $199,600 by its owner (±$26,776). The median renter pays $769 a month including utilities.
| Measure | Harleyville | Dorchester County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $199,600 ±$26,776 | $329,300 | +$56,593 |
| Median gross rent | $769 ±$415 | $1,463 | – |
| Renters paying 35% or more of income on rent | 44.1% ±33.0 pts | 46.0% | – |
| Median monthly owner costs, with a mortgage | $1,538 ±$163 | $1,790 | – |
| Owner-occupied homes | 68.3% ±15.6 pts | 75.5% | no clear change |
| Renter-occupied homes | 31.7% ±15.6 pts | 24.5% | – |
| Housing units | 307 ±80 | 67,865 | no clear change |
| Homeowner vacancy rate | 0.0% ±22.2 pts | 0.7% | – |
| Rental vacancy rate | 7.7% ±11.5 pts | 8.3% | – |
| Single-family detached homes | 64.8% ±14.5 pts | 66.9% | – |
| Mobile homes | 23.5% ±12.6 pts | 11.7% | – |
| Built 2020 or later | 1.3% ±1.5 pts | 4.9% | – |
| Built 2010 to 2019 | 0.7% ±1.0 pts | 18.3% | – |
| Built 1939 or earlier | 8.1% ±6.8 pts | 1.6% | – |
| Households with no vehicle | 1.9% ±2.9 pts | 3.5% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Harleyville building?
Harleyville last reported building permits to the Census Bureau for 2020.
Counts of units in permits a local office issued; not every permitted unit is built. A year marked with months was reported for part of the year.
Source: Building Permits Survey, annual place files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Harleyville work and get to work?
96.9% of Harleyville's workers drive alone. The average trip to work takes 30.9 minutes.
| Measure | Harleyville | Dorchester County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 60.7% ±9.9 pts | 65.0% | – |
| Unemployment rate | 8.0% ±5.9 pts | 4.9% | – |
| Drove alone to work | 96.9% ±3.8 pts | 77.9% | – |
| Carpooled | 0.0% ±15.8 pts | 8.0% | – |
| Public transportation | 0.0% ±15.8 pts | 0.2% | – |
| Walked | 0.8% ±1.3 pts | 0.8% | – |
| Worked from home | 2.3% ±3.6 pts | 11.2% | – |
| Mean travel time to work | 30.9 min ±4.3 | 31.3 min | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What census tracts are in Harleyville?
No census tract lies mostly in Harleyville; 2 tracts reach into it (2020 census blocks).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 103.01Dorchester County | 2,119 | $60,000 |
| Tract 103.02Dorchester County | 3,480 | $66,947 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Harleyville) · Census block assignment files
How does Harleyville compare with other places in South Carolina?
By the Census Bureau's July 2025 estimates, Harleyville is the 11,374th-most populous of the 19,476 U.S. incorporated places that have one and the 168th-most populous of 271 in South Carolina.
Harleyville is not ranked by income or the other survey measures: those rankings include places of 1,000 or more residents (2020 Census) with a reliable estimate.
| Measure | Rank | Of |
|---|---|---|
| Population, July 2025 estimate | 168th | 271 |
Harleyville's figures with every place in South Carolina (CSV)
Every place in South Carolina, sortable · Compare Harleyville with other places
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How reliable are the figures for Harleyville?
23 of the 57 figures for Harleyville on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Harleyville are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' public schools in Harleyville.