County record · fips 42029 · Pennsylvania
ChesterPA
Democratic ×3 since 2016all 40 elections, 1868–2024
The Long Record
40 elections against the Pennsylvania and national vote
2024 result
D+14.6
won by Democrats
Record since first cycle
6–34
Dem–Rep two-party wins
Voted with the winner
25/40
63% of its elections
Closest election
2012
R+0.2
this countyPennsylvanianational (official)dot colour = two-party winner · hollow = tie or unknown total · click a dot to open that election
The Biggest Swings
Cycle-over-cycle change in the two-party margin, in points
| Election | Swing | Toward |
|---|---|---|
| 1912 | +42.8 pts | Democrats |
| 1936 | +37.2 pts | Democrats |
| 1964 | +36.2 pts | Democrats |
| 1968 | -35.1 pts | Republicans |
| 1920 | -27.9 pts | Republicans |
Who Lives Here
Census & ACS county profile, 2024
Population
547,840
College (BA+)
57%
Median income
$127,208
2024 dollars
Non-white
25%
Rural
19%
Age 65+
18%
Interpolated between Census/ACS anchors; income CPI-deflated to 2024. Demographics begin in 2000 — earlier cycles have returns only.
Neighbouring counties
New Castle, DE · Cecil, MD · Berks, PA · Delaware, PA · Lancaster, PA · Montgomery, PA