RANKING · 2020 CENSUS · 46 SHOWN OF 46

Largest households, South Carolina counties · 2020

South Carolina counties ranked by average household size (2023 ACS). This list covers the 46 counties in South Carolina that qualify, ranked against each other statewide.

South CarolinaAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

RELATEDMost expensive homes Cheapest homes Highest median rent Lowest median rent Highest homeownership rate Highest renter share

YEAR2010 2020 2024

RANKPLACESTATEPOPAVERAGE HOUSEHOLD SIZEVS 2000

01Dorchester County, SCSC178,3972.80–

02Berkeley County, SCSC274,6662.75–

03Marion County, SCSC28,2422.73–

04Cherokee County, SCSC58,2752.71–

05Jasper County, SCSC38,5332.71–

06Saluda County, SCSC19,6802.71–

07Dillon County, SCSC27,4582.70–

08Edgefield County, SCSC29,8082.65–

09Lancaster County, SCSC114,2962.65–

10York County, SCSC306,8872.61–

11Hampton County, SCSC18,1742.60–

12Bamberg County, SCSC12,7962.59–

13Kershaw County, SCSC73,1662.59–

14Spartanburg County, SCSC380,8572.58–

15Florence County, SCSC138,5042.56–

16Greenville County, SCSC583,1252.55–

17Clarendon County, SCSC31,0432.54–

18Lexington County, SCSC317,5882.54–

19Marlboro County, SCSC25,4882.54–

20Laurens County, SCSC71,8482.53–

21Anderson County, SCSC219,9302.51–

22Darlington County, SCSC62,8882.51–

23Sumter County, SCSC105,0672.50–

24Orangeburg County, SCSC83,1772.50–

25Beaufort County, SCSC204,4332.49–

26Chester County, SCSC33,0012.49–

27Horry County, SCSC427,5512.49–

28Newberry County, SCSC39,5612.48–

29Chesterfield County, SCSC44,7402.47–

30Richland County, SCSC434,9562.47–

31Abbeville County, SCSC24,8362.47–

32Pickens County, SCSC139,1982.45–

33Aiken County, SCSC181,5152.45–

34Greenwood County, SCSC70,3792.43–

35Lee County, SCSC15,7302.43–

36Colleton County, SCSC39,3822.42–

37Charleston County, SCSC436,2002.42–

38Barnwell County, SCSC20,6532.40–

39Georgetown County, SCSC65,9122.39–

40Oconee County, SCSC83,7752.39–

41Fairfield County, SCSC20,3402.37–

42Calhoun County, SCSC14,1882.32–

43Williamsburg County, SCSC29,6622.31–

44Union County, SCSC26,7992.29–

45Allendale County, SCSC7,3552.25–

46McCormick County, SCSC10,2152.10–

SHOWING 1–46 OF 46

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES