County

Municipality

Population (Place of Work)

Change

Percentage Change

1990

1996/7

2010

2017/20

1990-1997

1997-2010

1997-2020

1990-1997

1997-2010

1997-2020

Philadelphia

Philadelphia

853,000

786,015

814,334

828,914

-66,985

28,319

42,899

- 7.85%

3.60%

5.46%

Montgomery

Bridgeport Borough

1,616

1,526

1,608

1,650

-90

82

124

-5.57%

5.37%

8.13%

Conshohocken Borough

5,435

5,655

8,522

10,000

220

2,867

4,345

4.05%

50.70%

76.83%

Limerick Township

5,238

5,816

8,577

10,000

578

2,761

4,184

11.03%

47.47%

71.94%

Lower Merion Township

42,889

43,596

45,446

46,399

707

1,850

2,803

1.65%

4.24%

6.43%

Lower Pottsgrove Township

1,868

2,748

3,118

3,309

880

370

561

47.11%

13.46%

20.41%

Lower Providence Township

10,366

10,502

12,646

13,751

136

2,144

3,249

1.31%

20.42%

30.94%

Narberth Borough

1,602

1,602

1,601

1,600

0

-1

-2

0.00%

-0.06%

-0.12%

Norristown Borough

16,559

15,922

15,943

15,955

-637

21

33

-3.85%

0.13%

0.21%

Plymouth Township

19,460

22,399

28,264

31,283

2,939

5,865

8,884

15.10%

26.18%

39.66%

Pottstown Borough

14,766

14,373

15,141

15,587

-393

768

1,214

-2.66%

5.34%

8.45%

Royersford Township

1,326

1,395

1,484

1,529

69

89

134

5.20%

6.38%

9.61%

Springfield Township

8,079

8,029

8,077

8,100

-50

48

71

-0.62%

0.60%

0.88%

Upper Merion Township

46,428

49,738

53,506

55,450

3,310

3,768

5,712

7.13%

7.58%

11.48%

Upper Pottsgrove Township

145

232

285

313

87

53

81

60.00%

22.84%

34.91%

Upper Providence Township

3,781

6,138

9,867

11,787

2,357

3,729

5,649

62.34%

60.75%

92.03%

West Conshohocken Borough

1,756

2,408

3,189

3,592

652

781

1,184

37.13%

32.43%

49.17%

West Norriton Township

6,856

6,925

7,504

7,802

69

579

877

1.01%

8.36%

12.66%

West Pottsgrove Township

1,998

1,998

1,998

1,998

0

0

0

0.00%

0.00%

0.00%

Whitemarsh Township

11,282

11,316

12,668

13,364

34

1,352

2,048

0.30%

11.95%

18.10%

Montgomery Total

201,450

212,318

239,444

253,469

10,868

27,126

41,151

5.39%

12.78%

19.38%

Chester

East Coventry Township

409

419

472

499

10

53

80

2.44%

12.65%

19.09%

East Pikeland Township

950

986

1,072

1,116

36

86

130

3.79%

8.72%

13.18%

East Vincent Township

1,284

1,539

1,691

1,770

255

152

231

19.86%

9.88%

15.01%

North Coventry Township

1,187

1,303

1,500

1,602

116

197

299

9.77%

15.12%

22.95%

Phoenixville Borough

5,942

5,746

6,058

6,219

-196

312

473

-3.30%

5.43%

8.23%

Schuylkill Township

2,818

2,894

2,900

2,903

76

6

9

2.70%

0.21%

0.31%

Spring City Borough

1,421

1,421

1,427

1,430

0

6

9

0.00%

0.42%

0.63%

Tredyffrin Township

25,206

28,625

36,213

40,123

3,419

7,588

11,498

13.56%

26.51%

40.17%

Chester Total

39,217

42,933

51,333

55,662

3,716

8,400

12,729

9.48%

19.57%

29.65%

Berks

Amity Township

2,074

2,155

N/A

2,406

81

N/A

251

3.91%

N/A

11.65%

Bern Township

1,283

5,668

N/A

6,374

4,385

N/A

706

341.78%

N/A

12.46%

Birdsboro Borough

1,418

1,476

N/A

1,654

58

N/A

178

4.09%

N/A

12.06%

Cumru Township

1,658

4,850

N/A

5,453

3,192

N/A

603

192.52%

N/A

12.43%

Douglass Township

266

428

N/A

476

162

N/A

48

60.90%

N/A

11.21%

Exeter Township

5,125

4,504

N/A

5,067

-621

N/A

563

-12.12%

N/A

12.50%

Kenhorst Borough

526

545

N/A

612

19

N/A

67

3.61%

N/A

12.29%

Laureldale Borough

1,609

1,868

N/A

2,092

259

N/A

224

16.10%

N/A

11.99%

Lower Alsace Township

154

243

N/A

274

89

N/A

31

57.79%

N/A

12.76%

Mohnton Borough

1,539

451

N/A

509

-1,088

N/A

58

-70.70%

N/A

12.86%

Mt. Penn Borough

1,014

1,050

N/A

1,176

36

N/A

126

3.55%

N/A

12.00%

Muhlenberg Township

10,239

13,781

N/A

15,489

3,542

N/A

1,708

34.59%

N/A

12.39%

Reading City

54,620

55,358

N/A

62,150

738

N/A

6,792

1.35%

N/A

12.27%

Robeson Township

702

942

N/A

1,064

240

N/A

122

34.19%

N/A

12.95%

Shillington Borough

2,859

2,956

N/A

3,331

97

N/A

375

3.39%

N/A

12.69%

Sinking Spring Borough

3,309

1,780

N/A

1,997

-1,529

N/A

217

-46.21%

N/A

12.19%

Spring Township

3,519

4,947

N/A

5,552

1,428

N/A

605

40.58%

N/A

12.23%

St Lawrence Borough

308

370

N/A

418

62

N/A

48

20.13%

N/A

12.97%

Temple Borough

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

Union Township

15

165

N/A

184

150

N/A

19

1000.00%

N/A

11.52%

West Lawn Borough

1,292

1,335

N/A

1,509

43

N/A

174

3.33%

N/A

13.03%

West Reading Borough

5,405

5,167

N/A

5,809

-238

N/A

642

-4.40%

N/A

12.43%

Wyomissing Borough

9,324

9,184

N/A

10,319

-140

N/A

1,135

-1.50%

N/A

12.36%

Wyomissing Hills Borough

188

272

N/A

307

84

N/A

35

44.68%

N/A

12.87%

Berks Total

108,446

119,495

N/A

134,222

11,049

N/A

14,727

10.19%

N/A

12.32%

Corridor Total

1,202,113

1,160,761

N/A

1,272,267

-41,352

N/A

111,506

-3.44%

N/A

9.61%