4.2 million registered Democrats
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handy chart
Pennsylvania counties with the most registered Democratic voters, with the largest one first:
– Philadelphia (799,663 registered Democrats; 19 percent of the total)
the 1st District
the 2nd District
district delegates
2. Allegheny (567,420 registered Democrats; 13.5 percent of the total)
3. Montgomery (247.881 registered Democrats; 5.9 percent of the total)
110,000 more registered
4. Bucks (185,407 registered Democrats; 4.4 percent of the total)
5. Delaware (157,301 registered Democrats; 3.7 percent of the total)
6. Westmoreland (134,122 registered Democrats; 3.2 percent of the total)
7. Berks (114,304 registered Democrats; 2.7 percent of the total)
8. Chester (113,315 registered Democrats; 2.7 percent of the total)
9. Luzerne (106,103 registered Democrats; 2.5 percent of the total)
10. York (104,816 registered Democrats; 2.5 percent of the total)