Lexington County, South Carolina Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 6th-largest in South Carolina
The population of Lexington County, South Carolina is 300,370 as of the 2023 American Community Survey, making it the 6th-largest county in South Carolina. The median household income is $75,014, the median home value is $217,700, and the median age is 39.7.
The population of Lexington County has grown 19.1% since 2010 (263,365 → 313,774), a +1.26% annualized rate.
300,370
Population
+1.26%
Annual growth
430
People / sq mi
$75,014
Median Income
$217,700
Median Home Value
Lexington County covers 699 sq mi of land at 430.0 people per square mile.
About Lexington County, SC
What distinguishes Lexington County is density: among the most densely settled of US counties, around 430 people per square mile. Lexington County is a county in South Carolina with a population of 300,370. That makes it one of the ten largest counties in South Carolina in the country, at #6 by population.
Households take in a median $75,014, comfortably near the US median of $78,538. About 8.7% of residents live below the federal poverty level, below the national 12.4%. The typical home is valued at $217,700, with typical rent around $1,115.
College attainment is above the local norm at 33.1%, below the national 35.0%. About 10.2% of workers primarily work from home, below the national 14.0%, and the average commute runs about 26 minutes each way.
That density explains much of the rest of the profile in Lexington County: denser places lean toward renting, shorter commutes by transit, and a younger working-age mix.
Lexington County Population History (2010-2024)
The county of Lexington County had a population of 263,365 in 2010 and 313,774 in 2024, a 19.1% growth over 14 years. The peak was 313,774 in 2024. Average annual growth rate: 1.26%.
313,774
Population (2024)
263,365
Population (2010)
313,774
Peak (2024)
1.26%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 263,365 |
| 2011 | 266,409 |
| 2012 | 269,868 |
| 2013 | 273,363 |
| 2014 | 277,568 |
| 2015 | 281,855 |
| 2016 | 286,521 |
| 2017 | 290,511 |
| 2018 | 294,766 |
| 2019 | 299,421 |
| 2020 | 294,993 |
| 2021 | 300,644 |
| 2022 | 305,147 |
| 2023 | 309,877 |
| 2024 | 313,774 |
Race & Ethnicity
| White | 73.4% |
| Black or African American | 15.0% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.3% |
| Two or More Races | 0.1% |
Age & Sex
39.7
Median Age
51.2%
Female
48.8%
Male
16.7%
Age 65+
Age Distribution
Children (under 15): 18.9% · Seniors (65+): 16.7%
Income & Poverty
| Median household income | $75,014+$8,196 vs state |
| Mean household income | $95,320 |
| Per-capita income | $38,807 |
| Poverty rate | 8.7%-1.4% vs state |
| Unemployment rate | 2.7% |
| Employment-to-population | 61.2% |
Top Industries by Employment
The largest employment sector in Lexington County is professional & business services, accounting for 22.3% of workers.
How residents commute
0.0%
Drive alone
0.9%
Carpool
79.4%
Public transit
10.2%
Work from home
26.1 min
Avg commute
Housing
$217,700$-19,000 vs state
Median home value
$1,115
Median rent
76.9%
Homeownership rate
130,874
Total housing units
92.3%
Occupied
7.7%
Vacant
23.1%
Renter-occupied
Social & access
91.0%
With health insurance
95.0%
With broadband internet
35.1%
Foreign-born
9.4%
Veterans (18+)
13.6%
With a disability
90.9%
Speak language other than English at home
Education
91.5%
High School+
33.1%
Bachelor's+
Largest cities in South Carolina
Other counties in South Carolina
Part of South Carolina
Metro areas in South Carolina
County rankings
Frequently Asked Questions
Lexington County, South Carolina has a population of 300,370 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 6th-largest county in South Carolina. Population density is 430 people per square mile.
The population of Lexington County has grown 19.1% since 2010 (263,365 → 313,774), a +1.26% annualized rate.
The median household income in Lexington County, South Carolina is $75,014, with mean (average) household income of $95,320 and per-capita income of $38,807. 8.7% of residents live below the federal poverty level.
In Lexington County, the largest racial and ethnic groups are White (73.4%), Black or African American (15.0%), Hispanic or Latino (1.3%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Lexington County, South Carolina is 39.7 years. Residents are 51.2% female and 48.8% male.
The median home value in Lexington County is $217,700 and median monthly rent is $1,115. 76.9% of occupied housing units are owner-occupied. The county has 130,874 total housing units, 7.7% of which are vacant.
The largest employment sector in Lexington County, South Carolina is professional, scientific, and management services, employing 22.3% of workers. The unemployment rate is 2.7%.
Charleston is among the largest cities associated with Lexington County, South Carolina, with a population of 152,014.
Lexington County, SC Climate
Lexington County, SC has an average annual temperature of 17°C (63°F) and receives about 1195 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
17°C
Avg Temp
1195
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 7° / 44° | 117 mm |
| February | 8° / 47° | 97 mm |
| March | 13° / 55° | 118 mm |
| April | 17° / 62° | 74 mm |
| May | 21° / 70° | 84 mm |
| June | 25° / 77° | 118 mm |
| July | 27° / 80° | 127 mm |
| August | 26° / 79° | 121 mm |
| September | 23° / 74° | 96 mm |
| October | 17° / 63° | 81 mm |
| November | 12° / 54° | 75 mm |
| December | 8° / 47° | 87 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Lexington County, SC
The most comfortable months to visit Lexington County, SC are typically May, September and October, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 33°C high). The coldest is January (near 0°C low). July is usually the wettest month.
Where to stay near Lexington County
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Population, race, income, age, and trends across South Carolina
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.