The map below shows the political leanings of people in and around Allegheny County. Darker red areas have almost entirely Republican voters, dark blue areas vote mostly for Democrats, and areas in lighter shades or in light purple are areas where the vote is usually split between parties.
Politics Key
Very liberal
Split evenly
Very conservative
Allegheny County tends to be democratic based on voting results in recent elections. Compared to other nearby counties, Allegheny County has more democratic voters. Compared to the nation as a whole, Allegheny County leans more democratic.
Highly educated populations with bachelor’s degrees or higher tend to vote for more liberal candidates. In Allegheny County, 41.13% of all adults have earned a bachelor’s degree or higher. Educated women are far less likely to vote for conservatives, and in Allegheny County women make up 51.73% of the population.
Older Americans tend to vote more conservatively. Members of the Boomer and Silent generations (born 1928-1964) more often vote for republicans while GenX, Millennials (born 1965-1996) and younger generations consistently support democrats. The median age in Allegheny County is 41.7, which is older than the national median age of 38.1.
Is Allegheny County a political battleground? Across all types of political contests in Allegheny County, including state, local and presidential elections, races come within five percentage points 3% of the time.
Note: Federal, local, and state elections are weighed based on the recency of the election and the importance most voters assign to each seat.
Nearby Counties
- Washington County, PA: more conservative voters
- Westmoreland County, PA: more conservative voters
- Beaver County, PA: more conservative voters
- Butler County, PA: more conservative voters
- Hancock County, WV: more conservative voters
- Armstrong County, PA: more conservative voters
- Brooke County, WV: more conservative voters
- Fayette County, PA: more conservative voters
- Jefferson County, OH: more conservative voters
- Greene County, PA: more conservative voters
Counties with Similar Populations
- Franklin County, OH: more conservative voters
- Hennepin County, MN: more liberal voters
- Oakland County, MI: more conservative voters
- Orange County, FL: more liberal voters
- Cuyahoga County, OH: more liberal voters
- Travis County, TX: more liberal voters
- Fairfax County, VA: more liberal voters
- Contra Costa County, CA: more liberal voters
- Hillsborough County, FL: more conservative voters
- Salt Lake County, UT: more conservative voters
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