Women voters between the ages of 30 and 55 are more likely to be Democrats than men, who tend to be unaffiliated. Boulder and nearby unincorporated areas tend to have significant numbers of voters under age 45 and many of them tend to be Democrats. But almost 54 percent of those under 25 are unaffiliated. Broomfield voters in Boulder County are more likely to be unaffiliated or Republican than Democratic. Lafayette voters are more likely to be unaffiliated or Democratic.
Longmont voters tend to be unaffiliated or Republican.
Most Louisville voters are between the ages of 35 and 54, with fairly even division among Democrats, Republicans and unaffiliated. Ciruli said older, established Boulder County voters may be more liberal, having lived through the turbulent '60s. But many voters, especially younger baby boomers, are new to the area. Still, they share interests with established voters in the environment, schools and Social Security, he said. The younger boomers tend to be a little less secure.