Census-designated place · South Carolina
Oak Grove, South Carolina
Oak Grove, census-designated place, in Lexington County, South Carolina. Oak Grove had 12,256 people in the ACS 2020-2024 5-year estimates (±904). GEOID 4551720.
Residents, 2020-2024
12,256
±904 (90% margin)
2020 Census count: 12,899
Median household income
$74,554
±$8,342 (90% margin)
South Carolina: $69,324
Median home value
$210,300
±$11,004 (90% margin)
South Carolina: $259,000
Median gross rent
$1,045
±$200 (90% margin)
South Carolina: $1,180
Where is Oak Grove and what county is it in?
Oak Grove is a census-designated place: an unincorporated community the Census Bureau draws for counting, with no city government of its own, in Lexington County, South Carolina. It covers 7.6 square miles of land, 1,704 residents per square mile in 2020.
Oak Grove is in the Columbia, SC metropolitan statistical area, which takes in 6 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 Oak Grove, and is it growing?
The 2020-2024 American Community Survey puts Oak Grove's population at 12,256 (±904). The 2020 Census counted 12,899 residents.
The Census Bureau publishes yearly population estimates for incorporated places only; Oak Grove is a census-designated place, so its figures come from the ACS and the 2020 Census.
| Measure | Oak Grove | Lexington County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 12,256 ±904 | 304,887 | no clear change |
| Households | 5,025 ±333 | 121,964 | +579 |
| Average household size | 2.41 ±0.16 | 2.48 | no clear change |
| Housing units | 5,491 ±367 | 132,916 | +742 |
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 Oak Grove?
The median resident of Oak Grove is 37.0 years old; 24.9% are under 18 and 16.2% are 65 or older. The largest group is non-Hispanic white residents at 67.4%, then non-Hispanic Black residents at 15.6%. 7.2% of residents were born outside the United States.
| Measure | Oak Grove | Lexington County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 37.0 ±2.0 | 39.8 | no clear change |
| Under 18 years | 24.9% ±2.3 pts | 23.0% | – |
| 65 years and over | 16.2% ±1.9 pts | 17.1% | – |
| Male | 49.6% ±2.1 pts | 48.8% | – |
| Hispanic or Latino (any race) | 12.9% ±4.9 pts | 7.9% | no clear change |
| White alone, not Hispanic | 67.4% ±5.1 pts | 70.3% | no clear change |
| Black or African American alone, not Hispanic | 15.6% ±3.3 pts | 15.1% | no clear change |
| Asian alone, not Hispanic | 1.5% ±0.8 pts | 2.2% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.2% ±0.3 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.4 pts | 0.0% | – |
| Two or more races, not Hispanic | 2.2% ±1.1 pts | 3.8% | – |
| Some other race alone, not Hispanic | 0.3% ±0.4 pts | 0.5% | – |
| Born outside the United States | 7.2% ±2.5 pts | 6.5% | no clear change |
| Speak a language other than English at home (age 5+) | 10.7% ±4.7 pts | 9.5% | – |
| Civilian veterans (age 18+) | 7.4% ±2.0 pts | 9.0% | – |
| With a disability | 12.5% ±2.4 pts | 14.1% | – |
| No health insurance coverage | 11.1% ±3.1 pts | 8.7% | no clear change |
| High school graduate or higher (age 25+) | 91.1% ±2.7 pts | 92.0% | – |
| Bachelor's degree or higher (age 25+) | 32.6% ±4.7 pts | 34.1% | +13.9 pts |
| Graduate or professional degree (age 25+) | 9.4% ±2.5 pts | 13.1% | – |
| Lived in the same house a year earlier | 92.5% ±2.8 pts | 89.1% | – |
| Moved from another state in the past year | 1.0% ±0.8 pts | 2.0% | – |
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 Oak Grove earn?
Half of Oak Grove's 5,025 households earn less than $74,554 a year (±$8,342), against $77,408 in Lexington County and $69,324 in South Carolina. In 2015-2019 the median was $60,784 in 2024 dollars, so it rose by $13,770 after inflation. 12.6% of residents live below the poverty line.
| Measure | Oak Grove | Lexington County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $74,554 ±$8,342 | $77,408 | +$13,770 |
| Mean household income | $85,962 ±$7,899 | $97,803 | – |
| Per capita income | $35,527 ±$3,362 | $39,667 | +$5,539 |
| People below the poverty line | 12.6% ±5.0 pts | 11.1% | no clear change |
| Children under 18 below the poverty line | 17.6% ±10.1 pts | 14.4% | no clear change |
| Households receiving SNAP | 10.0% ±3.8 pts | 9.7% | – |
| Households with a computer | 96.3% ±2.0 pts | 95.7% | – |
| Households with a broadband subscription | 94.1% ±2.4 pts | 92.3% | – |
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 Oak Grove?
Owners occupy 81.0% of Oak Grove's occupied homes and renters 19.0%. The median owner-occupied home is valued at $210,300 by its owner (±$11,004). The median renter pays $1,045 a month including utilities, and 50.3% of renters pay 35% or more of their income on rent.
| Measure | Oak Grove | Lexington County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $210,300 ±$11,004 | $234,500 | +$49,941 |
| Median gross rent | $1,045 ±$200 | $1,178 | no clear change |
| Renters paying 35% or more of income on rent | 50.3% ±14.5 pts | 37.9% | no clear change |
| Median monthly owner costs, with a mortgage | $1,188 ±$58 | $1,403 | – |
| Owner-occupied homes | 81.0% ±3.6 pts | 77.4% | +10.2 pts |
| Renter-occupied homes | 19.0% ±3.6 pts | 22.6% | – |
| Housing units | 5,491 ±367 | 132,916 | +742 |
| Homeowner vacancy rate | 0.6% ±0.9 pts | 0.4% | – |
| Rental vacancy rate | 3.3% ±5.1 pts | 4.0% | – |
| Single-family detached homes | 79.9% ±3.5 pts | 70.5% | – |
| Mobile homes | 14.7% ±3.4 pts | 16.5% | – |
| Built 2020 or later | 4.0% ±1.7 pts | 3.5% | – |
| Built 2010 to 2019 | 11.6% ±2.9 pts | 15.8% | – |
| Built 1939 or earlier | 0.2% ±0.3 pts | 2.0% | – |
| Households with no vehicle | 4.1% ±2.5 pts | 4.5% | – |
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 do people in Oak Grove work and get to work?
78.7% of Oak Grove's workers drive alone and 11.8% work from home. The average trip to work takes 21.7 minutes. The unemployment rate in 2020-2024 averaged 2.0%.
| Measure | Oak Grove | Lexington County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 66.0% ±3.5 pts | 64.6% | – |
| Unemployment rate | 2.0% ±1.3 pts | 4.5% | −8.1 pts |
| Drove alone to work | 78.7% ±5.3 pts | 77.3% | – |
| Carpooled | 8.0% ±4.1 pts | 8.8% | – |
| Public transportation | 0.0% ±0.7 pts | 0.0% | – |
| Walked | 0.4% ±0.5 pts | 0.8% | – |
| Worked from home | 11.8% ±3.0 pts | 11.9% | +9.1 pts |
| Mean travel time to work | 21.7 min ±1.5 | 26.0 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 Oak Grove?
3 census tracts lie mostly in Oak Grove, and 2 more reach into it (2020 census blocks). Their median household incomes run from $72,568 (Tract 205.13) to $78,333 (Tract 210.34).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 210.20Lexington County | 4,220 | $77,708 |
| Tract 210.34Lexington County | 4,599 | $78,333 |
| Tract 205.13Lexington County | 2,930 | $72,568 |
| Tract 205.12Lexington County | 3,850 | $64,797 |
| Tract 206.02Lexington County | 4,021 | $65,547 |
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 Oak Grove) · Census block assignment files
How does Oak Grove compare with other places in South Carolina?
Oak Grove ranks 61st of 248 places in South Carolina with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population (ACS 2020-2024) | 52nd | 261 |
| Residents per square mile | 41st | 261 |
| Median household income | 61st | 248 |
| Per capita income | 89th | 259 |
| Median home value | 109th | 248 |
| Median gross rent | 109th | 235 |
| Poverty rate | 162nd | 214 |
| Bachelor's degree or higher | 67th | 226 |
| Median age | 160th | 261 |
| Owner-occupied share | 54th | 258 |
| Work from home | 62nd | 119 |
| Travel time to work | 193rd | 261 |
Oak Grove's figures with every place in South Carolina (CSV)
Every place in South Carolina, sortable · Compare Oak Grove 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 Oak Grove?
9 of the 57 figures for Oak Grove 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 Oak Grove 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' school search.