This research is focused on the relationship between the dispari-ties of urban-suburb development and political factions in Taipei County. We hypothesize that the more urbanization of a town or a village, the more political influence of a local faction in it. We use almost all the avaliable indicators to measure the urbanization, which is the independent variable of this research. And, we calcu-late the vote rate of every local political faction in 1998 Taipei County Councilman election and Town Mayor election, as the in-dices of their political influence, which is the dependent variable of this work. The finding of this research will be useful to systematize the modeling of Taiwan local faction analysis.