| Population Change 1990-2000 | ||||
| County or Municipality | 2000 Population | 1990 Population | Population Change | Percent Change |
| Pennsylvania | 12 281 054 | 11 881 643 | 399 411 | 3.4 |
| Luzerne County | 319 250 | 328 149 | - 8 899 | - 2.7 |
| Ashley borough | 2 866 | 3 291 | - 425 | - 12.9 |
| Avoca borough | 2 851 | 2 897 | - 46 | - 1.6 |
| Bear Creek township | 2 580 | 2 668 | - 88 | - 3.3 |
| Bear Creek Village borough | 284 | 204 | 80 | 39.2 |
| Black Creek township | 2 132 | 1 937 | 195 | 10.1 |
| Buck township | 396 | 375 | 21 | 5.6 |
| Butler township | 7 166 | 6 020 | 1 146 | 19.0 |
| Conyngham borough | 1 958 | 2 060 | - 102 | - 5.0 |
| Conyngham township | 1 385 | 1 509 | - 124 | - 8.2 |
| Courtdale borough | 791 | 784 | 7 | 0.9 |
| Dallas borough | 2 557 | 2 567 | - 10 | - 0.4 |
| Dallas township | 8 179 | 7 625 | 554 | 7.3 |
| Dennison township | 908 | 809 | 99 | 12.2 |
| Dorrance township | 2 109 | 1 778 | 331 | 18.6 |
| Dupont borough | 2 719 | 2 984 | - 265 | - 8.9 |
| Duryea borough | 4 634 | 4 869 | - 235 | - 4.8 |
| Edwardsville borough | 4 984 | 5 399 | - 415 | - 7.7 |
| Exeter borough | 5 955 | 5 691 | 264 | 4.6 |
| Exeter township | 2 557 | 2 457 | 100 | 4.1 |
| Fairmount township | 1 226 | 1 211 | 15 | 1.2 |
| Fairview township | 3 995 | 3 014 | 981 | 32.5 |
| Forty Fort borough | 4 579 | 5 049 | - 470 | - 9.3 |
| Foster township | 3 323 | 3 372 | - 49 | - 1.5 |
| Franklin township | 1 601 | 1 414 | 187 | 13.2 |
| Freeland borough | 3 643 | 3 909 | - 266 | - 6.8 |
| Hanover township | 11 488 | 12 050 | - 562 | - 4.7 |
| Harveys Lake borough | 2 888 | 2 746 | 142 | 5.2 |
| Hazle township | 9 000 | 9 323 | - 323 | - 3.5 |
| Hazleton city | 23 329 | 24 730 | - 1 401 | - 5.7 |
| Hollenback township | 1 243 | 1 198 | 45 | 3.8 |
| Hughestown borough | 1 541 | 1 734 | - 193 | - 11.1 |
| Hunlock township | 2 568 | 2 496 | 72 | 2.9 |
| Huntington township | 2 104 | 1 905 | 199 | 10.4 |
| Jackson township | 4 453 | 5 336 | - 883 | - 16.5 |
| Jeddo borough | 144 | 124 | 20 | 16.1 |
| Jenkins township | 4 584 | 4 740 | - 156 | - 3.3 |
| Kingston borough | 13 855 | 14 507 | - 652 | - 4.5 |
| Kingston township | 7 145 | 6 763 | 382 | 5.6 |
| Laflin borough | 1 502 | 1 498 | 4 | 0.3 |
| Lake township | 2 110 | 1 924 | 186 | 9.7 |
| Larksville borough | 4 694 | 4 700 | - 6 | - 0.1 |
| Laurel Run borough | 723 | 708 | 15 | 2.1 |
| Lehman township | 3 206 | 3 076 | 130 | 4.2 |
| Luzerne borough | 2 952 | 3 206 | - 254 | - 7.9 |
| Nanticoke city | 10 955 | 12 267 | - 1 312 | - 10.7 |
| Nescopeck borough | 1 528 | 1 651 | - 123 | - 7.5 |
| Nescopeck township | 1 096 | 1 072 | 24 | 2.2 |
| New Columbus borough | 215 | 228 | - 13 | - 5.7 |
| Newport township | 5 006 | 4 593 | 413 | 9.0 |
| Nuangola borough | 671 | 701 | - 30 | - 4.3 |
| Penn Lake Park borough | 269 | 242 | 27 | 11.2 |
| Pittston city | 8 104 | 9 389 | - 1 285 | - 13.7 |
| Pittston township | 3 450 | 2 725 | 725 | 26.6 |
| Plains township | 10 906 | 10 988 | - 82 | - 0.7 |
| Plymouth borough | 6 507 | 7 134 | - 627 | - 8.8 |
| Plymouth township | 2 097 | 1 773 | 324 | 18.3 |
| Pringle borough | 991 | 1 161 | - 170 | - 14.6 |
| Rice township | 2 460 | 1 907 | 553 | 29.0 |
| Ross township | 2 742 | 2 634 | 108 | 4.1 |
| Salem township | 4 269 | 4 503 | - 234 | - 5.2 |
| Shickshinny borough | 959 | 1 108 | - 149 | - 13.4 |
| Slocum township | 1 112 | 1 159 | - 47 | - 4.1 |
| Sugarloaf township | 3 652 | 3 534 | 118 | 3.3 |
| Sugar Notch borough | 1 023 | 1 044 | - 21 | - 2.0 |
| Swoyersville borough | 5 157 | 5 630 | - 473 | - 8.4 |
| Union township | 2 100 | 2 028 | 72 | 3.6 |
| Warrior Run borough | 624 | 656 | - 32 | - 4.9 |
| West Hazleton borough | 3 542 | 4 136 | - 594 | - 14.4 |
| West Pittston borough | 5 072 | 5 590 | - 518 | - 9.3 |
| West Wyoming borough | 2 833 | 3 117 | - 284 | - 9.1 |
| White Haven borough | 1 182 | 1 132 | 50 | 4.4 |
| Wilkes-Barre city | 43 123 | 47 523 | - 4 400 | - 9.3 |
| Wilkes-Barre township | 3 235 | 3 572 | - 337 | - 9.4 |
| Wright township | 5 593 | 4 685 | 908 | 19.4 |
| Wyoming borough | 3 221 | 3 255 | - 34 | - 1.0 |
| Yatesville borough | 649 | 506 | 143 | 28.3 |
| Source: U.S. Census Bureau | Prepared by: Pennsylvania State Data Center | |||