| 2000 Census: Summary of Race and Hispanic or Latino Origin | |||||||||||
| Race | |||||||||||
| One Race | |||||||||||
| Geographic Area | Total Population | Total Population Over 18 | Total One Race | White | Black or African American | American Indian and Alaska Native | Asian | Native Hawaiian and Other Pacific Islander | Some other race | Two or more races | Hispanic or Latino (origin any race) |
| Pennsylvania | 12 281 054 | 9 358 833 | 12 138 830 | 10 484 203 | 1 224 612 | 18 348 | 219 813 | 3 417 | 188 437 | 142 224 | 394 088 |
| Mercer County | 120 293 | 92 109 | 119 193 | 112 031 | 6 318 | 127 | 486 | 27 | 204 | 1 100 | 803 |
| Clark borough | 633 | 485 | 632 | 630 | 1 | 0 | 0 | 0 | 1 | 1 | 3 |
| Coolspring township | 2 287 | 1 724 | 2 280 | 2 258 | 6 | 7 | 7 | 0 | 2 | 7 | 20 |
| Deer Creek township | 465 | 353 | 464 | 461 | 2 | 0 | 1 | 0 | 0 | 1 | 1 |
| Delaware township | 2 159 | 1 664 | 2 148 | 2 137 | 2 | 3 | 2 | 0 | 4 | 11 | 6 |
| East Lackawannock township | 1 701 | 1 248 | 1 684 | 1 653 | 20 | 1 | 5 | 0 | 5 | 17 | 16 |
| Fairview township | 1 036 | 701 | 1 031 | 1 029 | 0 | 0 | 1 | 0 | 1 | 5 | 4 |
| Farrell city | 6 050 | 4 504 | 5 906 | 3 042 | 2 826 | 7 | 12 | 1 | 18 | 144 | 40 |
| Findley township | 2 305 | 1 975 | 2 297 | 1 949 | 341 | 3 | 1 | 1 | 2 | 8 | 92 |
| Fredonia borough | 652 | 472 | 651 | 650 | 0 | 0 | 1 | 0 | 0 | 1 | 2 |
| French Creek township | 764 | 574 | 764 | 760 | 0 | 0 | 1 | 2 | 1 | 0 | 6 |
| Greene township | 1 153 | 916 | 1 145 | 1 140 | 0 | 0 | 5 | 0 | 0 | 8 | 1 |
| Greenville borough | 6 380 | 4 994 | 6 334 | 6 146 | 113 | 8 | 52 | 2 | 13 | 46 | 31 |
| Grove City borough | 8 024 | 6 681 | 7 965 | 7 809 | 51 | 5 | 87 | 2 | 11 | 59 | 43 |
| Hempfield township | 4 004 | 3 144 | 3 987 | 3 952 | 11 | 3 | 20 | 0 | 1 | 17 | 15 |
| Hermitage city | 16 157 | 12 659 | 16 019 | 15 344 | 500 | 7 | 130 | 1 | 37 | 138 | 107 |
| Jackson township | 1 206 | 920 | 1 200 | 1 196 | 0 | 2 | 0 | 0 | 2 | 6 | 11 |
| Jackson Center borough | 221 | 158 | 221 | 221 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Jamestown borough | 636 | 478 | 633 | 633 | 0 | 0 | 0 | 0 | 0 | 3 | 0 |
| Jefferson township | 2 416 | 1 814 | 2 400 | 2 378 | 6 | 4 | 8 | 1 | 3 | 16 | 12 |
| Lackawannock township | 2 561 | 1 816 | 2 552 | 2 503 | 22 | 8 | 5 | 1 | 13 | 9 | 20 |
| Lake township | 706 | 484 | 699 | 695 | 4 | 0 | 0 | 0 | 0 | 7 | 0 |
| Liberty township | 1 276 | 968 | 1 268 | 1 260 | 6 | 0 | 1 | 0 | 1 | 8 | 2 |
| Mercer borough | 2 391 | 1 861 | 2 372 | 2 306 | 52 | 4 | 5 | 1 | 4 | 19 | 20 |
| Mill Creek township | 639 | 478 | 636 | 631 | 4 | 0 | 0 | 0 | 1 | 3 | 1 |
| New Lebanon borough | 205 | 152 | 204 | 204 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| New Vernon township | 524 | 387 | 524 | 523 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Otter Creek township | 611 | 452 | 606 | 598 | 7 | 0 | 1 | 0 | 0 | 5 | 2 |
| Perry township | 1 471 | 1 117 | 1 462 | 1 458 | 1 | 1 | 1 | 0 | 1 | 9 | 2 |
| Pine township | 4 493 | 3 100 | 4 464 | 4 189 | 243 | 0 | 25 | 4 | 3 | 29 | 47 |
| Pymatuning township | 3 782 | 2 738 | 3 761 | 3 718 | 24 | 4 | 6 | 0 | 9 | 21 | 25 |
| Salem township | 769 | 593 | 766 | 759 | 0 | 4 | 1 | 1 | 1 | 3 | 4 |
| Sandy Creek township | 848 | 662 | 845 | 841 | 2 | 1 | 1 | 0 | 0 | 3 | 0 |
| Sandy Lake borough | 743 | 545 | 742 | 738 | 1 | 0 | 3 | 0 | 0 | 1 | 1 |
| Sandy Lake township | 1 248 | 958 | 1 242 | 1 238 | 2 | 1 | 0 | 0 | 1 | 6 | 5 |
| Sharon city | 16 328 | 12 349 | 15 989 | 14 114 | 1 771 | 29 | 34 | 4 | 37 | 339 | 144 |
| Sharpsville borough | 4 500 | 3 439 | 4 470 | 4 329 | 104 | 6 | 18 | 0 | 13 | 30 | 41 |
| Sheakleyville borough | 164 | 129 | 162 | 161 | 0 | 1 | 0 | 0 | 0 | 2 | 0 |
| Shenango township | 4 037 | 3 106 | 4 017 | 3 933 | 71 | 2 | 4 | 0 | 7 | 20 | 17 |
| South Pymatuning township | 2 857 | 2 223 | 2 846 | 2 823 | 12 | 0 | 8 | 0 | 3 | 11 | 9 |
| Springfield township | 1 972 | 1 472 | 1 961 | 1 945 | 5 | 2 | 7 | 2 | 0 | 11 | 4 |
| Stoneboro borough | 1 104 | 836 | 1 094 | 1 090 | 1 | 1 | 2 | 0 | 0 | 10 | 5 |
| Sugar Grove township | 909 | 701 | 903 | 889 | 3 | 6 | 2 | 0 | 3 | 6 | 7 |
| West Middlesex borough | 929 | 714 | 927 | 911 | 3 | 1 | 9 | 0 | 3 | 2 | 3 |
| West Salem township | 3 565 | 2 806 | 3 543 | 3 525 | 10 | 4 | 3 | 0 | 1 | 22 | 13 |
| Wheatland borough | 748 | 611 | 735 | 643 | 90 | 0 | 1 | 0 | 1 | 13 | 8 |
| Wilmington township | 1 105 | 776 | 1 096 | 1 089 | 1 | 0 | 4 | 2 | 0 | 9 | 10 |
| Wolf Creek township | 729 | 551 | 719 | 706 | 0 | 2 | 10 | 0 | 1 | 10 | 0 |
| Worth township | 830 | 621 | 827 | 824 | 0 | 0 | 1 | 2 | 0 | 3 | 2 |
| Source: US Census Bureau | Prepared by the Pennsylvania State Data Center | ||||||||||