The PA
Blueprint
67 COUNTIES
2028 INITIATIVE
DashboardNo PA, No POTUSCountiesResearch
← Back to all 67 counties

Delaware County

SE · Pennsylvania

Delaware County is currently classified as an Anchor county — a stronghold that must be defended. Democrats lead by 58,961 voters, compared to a 17,569-voter Democratic advantage in 2016. To put Pennsylvania back on track for 2028, Delaware County needs 33,454 net new Democratic registrations.

2028 Registration Quota
+33,454
Net new Democratic registrants
Dem Advantage · 2000 → 2026
2000
−121K
PEAK · 2024
+58K
NOW · 2026
+59K
Registration · The Roll
Dem registered202K
Rep registered143K
Unaffiliated Registered48K
Dem velocity (per yr)+1.3K
Rep velocity (per yr)−2.3K
Mobility score14.5%
Pop growth (2010→2026)14.2%
Proj. Dem · 2028211K
Proj. Rep · 2028144K
Retention · Voters at Risk
20,644inactive Democrats
10.20% of Delaware's Democratic base
For context: 9,755 inactive Republicans (6.80% of R base)

More than 1 in 10 of Delaware's registered Democrats is on the federal cancellation path.

Inactive voters who don't vote in two consecutive federal elections face cancellation under federal law.
Vote Model · 2024 → 2028
2024 vote margin+78K
Dem conversion (2024)96.3%
Rep conversion (2024)81.7%
Proj. 2028 · trended+53K
Proj. 2028 · weak+19K
TRENDED = post-2016 conversion drift continues · WEAK = Dem conversion falls to 75% (bad-candidate floor)
← Back to all 67 counties