Write an article that answers the following question: How many more registered Democrats are there in Solano County than registered republicans?
According to the Secretary of State of California, as of October 22, 2012, Solano County has 209,484 registered voters, out of 274,284 eligible (76.4%). Of those, 101,815 (48.6%) are registered Democrats, 52,777 (25.2%) are registered California Republican Party, and 45,581 (21.8%) have Decline to State a political party. Democrats hold voter-registration advantages in all incorporated cities and towns in Solano County. However, Republicans lead in registration in the unincorporated communities of the county (40%-35%), making Solano the only county in the Bay Area where Republicans out-number Democrats in unincorporated communities. The Democrats largest registration advantage in Solano is in the city of Vallejo, California, wherein there are only 8,242 Republicans (14.6%) out of 56,313 total voters compared to 33,753 Democrats (59.9%) and 12,157 voters who have declined to state a political party (21.6%).