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State Municipal Index • DE
Delaware Property Tax Drift Index
State Avg Drift Score
61/100
Delaware Municipal Risk Briefing
State Comptroller & US Census Bureau (DE)August 2026
Delaware maintains an average TaxDrift Score of 61/100 across monitored jurisdictions. Overlapping municipal bond issuances and assessment equalization rollbacks determine local millage carrying costs under statutory rules.
Population
1,031,890
Avg Effective Tax Rate
1.1%
Total Tracked Muni Debt
$4.6B
Counties Monitored
12
Statutory Tax Caps & Voter-Approval Rules (DE)
Court-ordered countywide reassessments resetting historic 1970s assessment baselines.
Audited Counties in Delaware
Delaware County Tax Drift Leaderboard
Showing 0 of 0 Audited JurisdictionsNo county records match the active filter criteria.