CensusEasy
RANKING · 2020 CENSUS · 46 SHOWN OF 46

Highest Irish population share, South Carolina counties · 2020

South Carolina counties ranked by the share of all residents who are Irish ancestry (2020 American Community Survey). A concentration measure: Irish residents as a percentage of total population. This list covers the 46 counties in South Carolina that qualify, ranked against each other statewide.

Irish Americans: full group profile →
South CarolinaAll statesAll rankings
SAME RANKING BYCitiesStatesMetros
RELATEDLargest American populationHighest American population shareLargest Arab populationHighest Arab population shareLargest Egyptian populationHighest Egyptian population share
YEAR201020202024
Highest Irish population share by state
RANKPLACESTATEPOPIRISH SHAREVS 2010
01Oconee County, SCSC83,77513.5%−0.5 pts
02Beaufort County, SCSC204,43312.5%−1.0 pts
03Horry County, SCSC427,55111.9%−1.4 pts
04Pickens County, SCSC139,19811.3%−1.6 pts
05Georgetown County, SCSC65,91210.6%+1.7 pts
06York County, SCSC306,88710.1%−2.2 pts
07Lancaster County, SCSC114,29610.1%+2.1 pts
08Lexington County, SCSC317,58810.0%−1.8 pts
09Anderson County, SCSC219,9309.8%−3.7 pts
10Dorchester County, SCSC178,3979.7%−1.4 pts
11Greenville County, SCSC583,1259.7%−1.0 pts
12Aiken County, SCSC181,5159.7%+1.0 pts
13Charleston County, SCSC436,2009.2%−1.0 pts
14McCormick County, SCSC10,2159.0%+3.0 pts
15Berkeley County, SCSC274,6668.8%−0.9 pts
16Spartanburg County, SCSC380,8578.6%−1.8 pts
17Union County, SCSC26,7998.6%+0.2 pts
18Kershaw County, SCSC73,1668.0%+0.3 pts
19Laurens County, SCSC71,8487.8%−2.0 pts
20Abbeville County, SCSC24,8367.7%−3.3 pts
21Jasper County, SCSC38,5337.3%+0.1 pts
22Cherokee County, SCSC58,2756.5%−3.2 pts
23Darlington County, SCSC62,8886.4%+1.2 pts
24Newberry County, SCSC39,5616.2%−1.5 pts
25Greenwood County, SCSC70,3796.0%−2.2 pts
26Saluda County, SCSC19,6805.9%−2.3 pts
27Florence County, SCSC138,5045.8%−0.9 pts
28Chesterfield County, SCSC44,7405.7%−0.2 pts
29Edgefield County, SCSC29,8085.6%−1.2 pts
30Clarendon County, SCSC31,0435.4%−1.4 pts
31Sumter County, SCSC105,0675.3%−0.4 pts
32Richland County, SCSC434,9565.2%−2.3 pts
33Chester County, SCSC33,0015.2%−2.3 pts
34Colleton County, SCSC39,3824.4%−0.8 pts
35Calhoun County, SCSC14,1884.1%−4.4 pts
36Marlboro County, SCSC25,4884.1%−0.3 pts
37Dillon County, SCSC27,4583.6%−1.8 pts
38Fairfield County, SCSC20,3403.1%−2.3 pts
39Orangeburg County, SCSC83,1772.6%−1.3 pts
40Williamsburg County, SCSC29,6622.4%+0.3 pts
41Marion County, SCSC28,2422.3%−2.9 pts
42Lee County, SCSC15,7302.3%−0.1 pts
43Hampton County, SCSC18,1741.9%−4.5 pts
44Barnwell County, SCSC20,6531.7%−3.0 pts
45Allendale County, SCSC7,3551.7%−0.5 pts
46Bamberg County, SCSC12,7960.9%−1.9 pts
SHOWING 1–46 OF 46
Download CSV (full list, 46 rows)

UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS