| YEAR |
U.S. |
PA |
MONTCO |
CHELTENHAM |
CHELTENHAM (BLACK) |
% BLACK |
| 1930 |
122,775,046 |
9,631,350 |
265,804 |
15,731 |
981 |
6.2 |
|
|
| 1940 |
130,962,661 |
9,900,180 |
289,247 |
19.082 |
1168 |
6.1 |
|
|
| 1950 |
149,895,183 |
10,498,012 |
353,068 |
22,854 |
|
|
|
| 1960 |
178,554,916 |
11,319,366 |
516,682 |
35,990 |
831 |
2.3 |
|
|
| 1970 |
203,302,031 |
11,793,909 |
623,799 |
40,238 |
775 |
1.9 |
|
|
| 1980 |
226,545,805 |
11,863,895 |
643,621 |
35,509 |
2,486 |
7 |
|
|
| 1990 |
248,709,873 |
11,881,643 |
678,111 |
34,923 |
5,284 |
15.1 |
|
|
| 2000 |
281,421,906 |
12,281,954 |
750,097 |
36,875 |
9,074 |
24.6 |
|
|