Population by Education (percentages) by Senate District
| District Number | Population Age 25 and Older 1990
| Percent High School Graduates 1990 | Percent with
Bachelor Degree | Percent with Graduate Degree |
| | 7872932 |
38.6 | 11.3 | 6.6 |
| 1 | 163466 |
25.9 | 12.6 | 11.6 |
| 2 | 147264 |
36.1 | 6.0 | 2.5 |
| 3 | 143992 |
33.9 | 6.0 | 3.0 |
| 4 | 156179 |
29.0 | 13.7 | 12.2 |
| 5 | 162887 |
38.9 | 9.1 | 4.7 |
| 6 | 153996 |
38.6 | 11.6 | 5.6 |
| 7 | 152291 |
30.9 | 10.2 | 7.8 |
| 8 | 147531 |
34.3 | 7.4 | 4.8 |
| 9 | 156153 |
35.3 | 13.9 | 8.1 |
| 10 | 156983 |
29.8 | 20.6 | 11.7 |
| 11 | 158105 |
39.0 | 9.1 | 4.6 |
| 12 | 161401 |
31.0 | 19.6 | 11.6 |
| 13 | 153115 |
38.6 | 11.8 | 5.9 |
| 14 | 162638 |
41.2 | 7.5 | 4.4 |
| 15 | 160436 |
39.5 | 12.3 | 6.3 |
| 16 | 161750 |
37.1 | 11.4 | 5.6 |
| 17 | 161276 |
25.2 | 23.9 | 18.5 |
| 18 | 155935 |
37.8 | 10.4 | 6.3 |
| 19 | 155705 |
28.2 | 23.7 | 12.9 |
| 20 | 159857 |
43.1 | 9.4 | 5.4 |
| 21 | 150216 |
44.2 | 8.7 | 4.8 |
| 22 | 163330 |
40.0 | 9.2 | 5.4 |
| 23 | 155338 |
43.3 | 7.7 | 4.5 |
| 24 | 162420 |
32.0 | 17.6 | 9.0 |
| 25 | 157080 |
48.5 | 7.1 | 3.5 |
| 26 | 161235 |
36.6 | 15.5 | 8.3 |
| 27 | 153747 |
45.1 | 7.0 | 4.9 |
| 28 | 155978 |
41.4 | 9.2 | 4.3 |
| 29 | 163097 |
46.5 | 5.8 | 3.4 |
| 30 | 155846 |
48.5 | 6.1 | 3.5 |
| 31 | 155737 |
40.5 | 13.1 | 6.4 |
| 32 | 159237 |
45.8 | 6.2 | 3.8 |
| 33 | 153010 |
41.9 | 9.0 | 5.3 |
| 34 | 140710 |
41.1 | 11.0 | 9.2 |
| 35 | 159542 |
47.0 | 6.2 | 3.5 |
| 36 | 149624 |
39.7 | 10.5 | 4.6 |
| 37 | 166610 |
30.8 | 21.3 | 11.2 |
| 38 | 158159 |
33.5 | 10.9 | 8.8 |
| 39 | 161976 |
42.9 | 10.3 | 4.6 |
| 40 | 166007 |
35.3 | 17.0 | 8.5 |
| 41 | 153451 |
46.0 | 7.1 | 4.3 |
| 42 | 163906 |
38.5 | 11.6 | 5.7 |
| 43 | 166839 |
35.0 | 13.5 | 11.5 |
| 44 | 156651 |
36.5 | 15.4 | 7.8 |
| 45 | 166174 |
40.3 | 10.7 | 5.4 |
| 46 | 161545 |
43.8 | 7.4 | 3.9 |
| 47 | 162587 |
43.0 | 7.8 | 3.7 |
| 48 | 160563 |
40.2 | 10.8 | 6.3 |
| 49 | 147690 |
41.4 | 11.2 | 5.8 |
| 50 | 154199 |
45.9 | 8.1 | 4.7 |
Source: U.S. Census Bureau: Census of Population and Housing, Summary Tape Files 1 and 3
Prepared by: The Pennsylvania State Data Center, Penn State Harrisburg