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Year | Allegheny | Armstrong | Beaver | Bedford | Blair | Bradford | Butler | Cambria | Centre | Clarion |
1925 | 16,406 | 4,952 | 147 | 1,079 | 531 | 25 | 2,543 | 21,568 | 1,556 | 2,324 |
1931 | 13,638 | 3,926 | 119 | 727 | 590 | 12 | 1,484 | 18,259 | 1,256 | 1,428 |
1935 | 16,057 | 3,940 | 202 | 876 | 525 | 26 | 1,272 | 20,205 | 994 | 2,184 |
1940 | 12,350 | 4,071 | 246 | 694 | 441 | 1,170 | 20,708 | 1,033 | 1,406 | |
1941 | 13,648 | 4,603 | 542 | 843 | 321 | 1,218 | 20,091 | 1,184 | 1,702 | |
1942 | 12,281 | 4,171 | 509 | 771 | 244 | 1,041 | 18,376 | 1,237 | 1,792 | |
1943 | 10,770 | 3,675 | 274 | 632 | 176 | 1,024 | 16,491 | 847 | 1,762 | |
1944 | 10,346 | 3,600 | 290 | 877 | 135 | 13 | 945 | 15,009 | 984 | 1,700 |
1945 | 10,484 | 4,577 | 248 | 697 | 135 | 965 | 14,602 | 987 | 1,525 | |
1946 | 10,773 | 3,973 | 252 | 764 | 173 | 1,259 | 16,168 | 1,166 | 1,673 | |
1947 | 11,112 | 4,441 | 309 | 1,012 | 182 | 6 | 1,438 | 16,655 | 1,106 | 1,742 |
1948 | 11,065 | 4,473 | 287 | 909 | 221 | 1,241 | 16,626 | 1,060 | 1,918 | |
1949 | 9,887 | 3,758 | 231 | 623 | 244 | 4 | 1,001 | 15,627 | 979 | 1,790 |
1950 | 9,343 | 3,552 | 247 | 490 | 242 | 7 | 1,351 | 13,970 | 763 | 1,882 |
1951 | 8,554 | 2,888 | 239 | 367 | 169 | 7 | 1,246 | 13,275 | 691 | 1,175 |
1952 | 7,184 | 2,078 | 191 | 327 | 168 | 5 | 1,044 | 12,172 | 590 | 975 |
1953 | 5,816 | 1,969 | 198 | 271 | 136 | 6 | 968 | 10,913 | 505 | 790 |
1954 | 4,496 | 1,658 | 255 | 142 | 139 | 4 | 826 | 9,067 | 460 | 944 |
1955 | 4,004 | 1,324 | 250 | 188 | 200 | 5 | 858 | 8,649 | 541 | 857 |
1956 | 4,059 | 1,399 | 255 | 231 | 165 | 3 | 759 | 8,536 | 468 | 916 |
1957 | 3,669 | 1,407 | 213 | 244 | 67 | 767 | 8,369 | 451 | 942 | |
1958 | 2,984 | 1,370 | 149 | 251 | 77 | 4 | 804 | 7,360 | 386 | 838 |
1959 | 2,626 | 1,195 | 120 | 220 | 65 | 4 | 697 | 6,000 | 389 | 853 |
1960 | 2,602 | 1,204 | 131 | 187 | 53 | 4 | 636 | 4,824 | 311 | 818 |
1961 | 2,168 | 1,241 | 152 | 198 | 47 | 6 | 676 | 4,317 | 303 | 715 |
1962 | 1,914 | 1,225 | 142 | 173 | 48 | 7 | 570 | 3,805 | 291 | 758 |
1963 | 1,546 | 1,256 | 119 | 168 | 25 | 7 | 572 | 3,719 | 309 | 768 |
1964 | 1,458 | 1,316 | 151 | 132 | 27 | 8 | 493 | 3,834 | 241 | 738 |
1965 | 1,228 | 1,234 | 132 | 124 | 14 | 9 | 493 | 3,759 | 298 | 654 |
1966 | 1,349 | 1,344 | 84 | 95 | 53 | 9 | 519 | 3,588 | 211 | 472 |
1967 | 1,416 | 1,430 | 44 | 73 | 8 | 2 | 471 | 3,403 | 210 | 552 |
1968 | 1,384 | 1,424 | 59 | 40 | 6 | 2 | 488 | 3,249 | 189 | 579 |
1969 | 1,296 | 1,639 | 84 | 17 | 6 | 2 | 475 | 3,154 | 283 | 570 |
1970 | 1,315 | 1,865 | 82 | 17 | 6 | 2 | 485 | 3,122 | 288 | 706 |
1971 | 1,327 | 2,126 | 86 | 17 | 2 | 512 | 3,577 | 371 | 802 | |
1972 | 1,457 | 1,841 | 85 | 5 | 14 | 465 | 3,955 | 303 | 690 | |
1973 | 1,510 | 1,799 | 71 | 5 | 8 | 1 | 441 | 4,149 | 288 | 841 |
1974 | 1,534 | 1,856 | 121 | 19 | 5 | 1 | 487 | 4,401 | 329 | 872 |
1975 | 1,806 | 2,139 | 137 | 21 | 16 | 1 | 527 | 5,009 | 438 | 1,133 |
1976 | 1,973 | 2,225 | 160 | 69 | 9 | 1 | 518 | 5,346 | 455 | 1,205 |
1977 | 2,024 | 2,382 | 66 | 50 | 20 | 2 | 598 | 5,479 | 455 | 1,296 |
1978 | 2,019 | 2,380 | 89 | 65 | 17 | 2 | 688 | 5,084 | 484 | 1,220 |
1979 | 1,862 | 2,206 | 51 | 31 | 2 | 705 | 4,905 | 522 | 1,308 | |
1980 | 1,689 | 1,965 | 15 | 39 | 2 | 695 | 4,817 | 467 | 1,055 | |
1981 | 1,407 | 1,850 | 2 | 59 | 39 | 9 | 676 | 3,123 | 471 | 1,128 |
1982 | 1,192 | 1,677 | 14 | 39 | 29 | 46 | 535 | 2,799 | 420 | 644 |
1983 | 422 | 1,578 | 8 | 34 | 23 | 35 | 616 | 2,150 | 457 | 529 |
1984 | 567 | 1,497 | 7 | 45 | 50 | 1 | 649 | 2,080 | 449 | 626 |
1985 | 502 | 1,334 | 23 | 33 | 52 | 675 | 1,471 | 417 | 534 | |
1986 | 588 | 1,337 | 36 | 38 | 40 | 837 | 1,292 | 409 | 451 | |
1987 | 291 | 1,388 | 56 | 21 | 25 | 482 | 1,230 | 424 | 327 | |
1988 | 288 | 1,250 | 76 | 10 | 28 | 520 | 1,321 | 357 | 219 | |
1989 | 359 | 1,105 | 68 | 6 | 22 | 489 | 1,359 | 319 | 315 | |
1990 | 359 | 1,305 | 82 | 7 | 28 | 608 | 1,062 | 331 | 260 | |
1991 | 308 | 1,005 | 35 | 4 | 25 | 217 | 941 | 300 | 242 | |
1992 | 79 | 1,369 | 40 | 2 | 29 | 165 | 841 | 52 | 400 | |
1993 | 80 | 1,158 | 87 | 27 | 123 | 762 | 31 | 138 | ||
1994 | 56 | 876 | 23 | 2 | 32 | 204 | 618 | 22 | 135 | |
1995 | 20 | 971 | 25 | 32 | 44 | 271 | 15 | 21 | ||
1996 | 20 | 731 | 84 | 32 | 110 | 216 | 53 | 57 | ||
1997 | 49 | 770 | 33 | 28 | 16 | 265 | 49 | 25 | ||
1998 | 102 | 798 | 46 | 19 | 47 | 295 | 75 | 51 | ||
1999 | 83 | 698 | 41 | 2 | 8 | 64 | 242 | 6 | 81 | |
2000 | 62 | 468 | 45 | 10 | 51 | 199 | 8 | 70 |