• county
  • FIPS 45063
  • Largest town: Lexington

Lexington County, South Carolina

Lexington County had 313,774 residents in the Census Vintage 2024 estimate, on 698.6 square miles of land. It ranks 6th of 46 in South Carolina by population and 17th by land area.

Population
313,774
#6 of 46 in South Carolina · #236 in US
Area
698.6 sq mi
#17 of 46 in South Carolina · #1,327 in US
Density
449 / sq mi
#5 of 46 in South Carolina · #314 in US
Median household income
$76,559
#6 of 46 in South Carolina · #600 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Lexington County within South Carolina. Pin: Columbia.

Lexington County population, land area and income

Lexington County had 313,774 residents in the Census Vintage 2024 estimate, on 698.6 square miles of land. It ranks 6th of 46 in South Carolina by population and 17th by land area. That works out to 449.2 people per square mile, 4.7 times the US average of 96.3, and in the top tenth nationally.

The median county-equivalent in South Carolina has 60,098 residents, so Lexington County is 5.2 times that size.

Its SAIPE 2023 median household income of $76,559 is in the top quarter among 3,143 counties with an estimate.

National rank among 3,144

Population

313,774

3144th1st

236th of 3,144 (US)

Land area

699 sq mi

3144th1st

1327th of 3,144 (US)

Density

449.2 / sq mi

3144th1st

314th of 3,144 (US)

Median household income

$76,559

3143rd1st

600th of 3,143 (US)

Rank within South Carolina (46)

Population

313,774

46th1st

6th of 46 (SC)

Land area

699 sq mi

46th1st

17th of 46 (SC)

Density

449.2 / sq mi

46th1st

5th of 46 (SC)

Median household income

$76,559

46th1st

6th of 46 (SC)

How Lexington County's population changed since 2020

Lexington County gained 18,781 residents between the July 2020 and July 2024 estimates, a rise of 6.4%. That ranks 12th of 46 in South Carolina for growth. The median South Carolina county changed by +2.9%, and the state as a whole by +6.8%.

Since the April 2020 estimates base, Lexington County recorded 14,080 births and 13,672 deaths, a natural change of +408. Net international migration added +3,127 and net domestic migration, people moving to or from other US counties, came to +16,473. The largest single component was domestic migration, which added 16,473 people.

295.0k2020300.6k2021305.1k2022309.9k2023313.8k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
14,080
Deaths
13,672
Net international migration
+3,127
Net domestic migration
+16,473
Change, July 2023 to July 2024
+3,897

Where Lexington County is

The Census internal point of Lexington County is at 33.892300, -81.273000. It sits in UTM zone 17N. The map shades South Carolina's 46 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Lexington County outlined. Dots are towns of 1,000+ people with residents in it.

Towns in Lexington County

11 incorporated places of 1,000+ people have residents in Lexington County, 77,618 people together, or 25% of the county. Each figure counts only the part of the town inside Lexington County; towns marked "part" extend into another county. The largest is Lexington with 25,354.

  1. 01Lexington25,354
  2. 02West Columbia18,418
  3. 03Cayce (part)13,148
  4. 04Batesburg-Leesville (part)4,817
  5. 05Irmo (part)4,195
  6. 06Springdale2,756
  7. 07South Congaree2,392
  8. 08Pine Ridge2,326
  9. 09Chapin1,934
  10. 10Gaston1,641
  11. 11Columbia (part)637
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Lexington County

The Census 2024 county adjacency file lists 6 neighbors for Lexington County. The most populous is Richland County, SC, with 430,651 residents. Distances run between Census internal points in a straight line.

Distance to Columbia and the nearest big city

Columbia is 15.6 miles ENE of Lexington County's internal point in a straight line. The nearest place of 100,000 or more is Columbia, SC (population 144,788), 23.4 miles away. The nearest place of 10,000 or more is Lexington, SC (population 25,354), 7.5 miles away.

Lexington County FIPS code

The FIPS code of Lexington County is 45063: state code 45 for South Carolina plus county code 063. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $76,559.

Questions people ask

What is the population of Lexington County, South Carolina?

The Census Vintage 2024 estimate for July 1, 2024 is 313,774. That is up 18,781 people (6.4%) from the July 2020 estimate of 294,993.

What is the FIPS code of Lexington County?

45063. The first two digits (45) are South Carolina; the last three (063) identify the county.

What is the largest town in Lexington County?

Lexington, with 25,354 residents inside Lexington County in 2024.

Which counties border Lexington County?

6 county-equivalents border it in the Census 2024 adjacency file: Richland County, SC; Aiken County, SC; Orangeburg County, SC; Newberry County, SC; Saluda County, SC; Calhoun County, SC.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.