County

1990
Population

2000 
Population

Difference
 #                 %

Abbeville

23,862

26,167

2,305

9.7%

Aiken

120,991

142,552

21,561

17.8%

Allendale

11,722

11,211

-511

-4.4%

Anderson

145,177

165,740

20,563

14.2%

Bamberg

16,902

16,658

-244

-1.4%

Barnwell

20,293

23,478

3,185

15.7%

Beaufort

86,425

120,937

34,512

39.9%

Berkeley

128,776

142,651

13,875

10.8%

Calhoun

12,753

15,185

2,432

19.1%

Charleston

295,041

309,969

14,928

5.1%

Cherokee

44,506

52,537

8,031

18.0%

Chester

32,170

34,068

1,898

5.9%

Chesterfield

38,575

42,768

4,193

10.9%

Clarendon

28,450

32,502

4,052

14.2%

Colleton

34,377

38,264

3,887

11.3%

Darlington

61,851

67,394

5,543

9.0%

Dillon

29,114

30,722

1,608

5.5%

Dorchester

84,717

96,413

11,696

13.8%

Edgefield

18,360

24,595

6,235

34.0%

Fairfield

22,295

23,454

1,159

5.2%

Florence

114,344

125,761

11,417

10.0%

Georgetown

46,302

55,797

9,495

20.5%

Greenville

320,167

379,616

59,449

18.6%

Greenwood

59,567

66,271

6,704

11.3%

Hampton

18,191

21,386

3,195

17.6%

Horry

144,053

196,629

52,576

36.5%

Jasper

15,487

20,678

5,191

33.5%

Kershaw

43,599

52,647

9,048

20.8%

Lancaster

54,516

61,351

6,835

12.5%

Laurens

58,092

69,567

11,475

19.8%

Lee

18,437

20,119

1,682

9.1%

Lexington

167,611

216,014

48,403

28.9%

Marion

33,899

35,466

1,567

4.6%

Marlboro

29,716

28,818

-898

-3.0%

McCormick

8,868

9,958

1,090

12.3%

Newberry

33,172

36,108

2,936

8.9%

Oconee

57,494

66,215

8,721

15.2%

Orangeburg

84,803

91,582

6,779

8.0%

Pickens

93,896

110,757

16,861

18.0%

Richland

286,321

320,677

34,356

12.0%

Saluda

16,357

19,181

2,824

17.3%

Spartanburg

226,793

253,791

26,998

11.9%

Sumter

101,276

104,646

3,370

3.3%

Union

30,337

29,881

-456

-1.5%

Williamsburg

36,815

37,217

402

1.1%

York

131,497

164,614

33,117

25.2%

Totals:

3,487,967

4,012,012

524,045

15.0%