TaxDriftIndex
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State Municipal Index • TN

Tennessee Property Tax Drift Index

State Avg Drift Score
63/100
Tennessee Municipal Risk Briefing
State Comptroller & US Census Bureau (TN)August 2026

Tennessee maintains an average TaxDrift Score of 63/100 across monitored jurisdictions. Overlapping municipal bond issuances and assessment equalization rollbacks determine local millage carrying costs under statutory rules.

Population
7,126,489
Avg Effective Tax Rate
0.8%
Total Tracked Muni Debt
$13.8B
Counties Monitored
3

Statutory Tax Caps & Voter-Approval Rules (TN)

Certified tax rate law mandates automatic millage reduction following county revaluation to achieve revenue neutrality.

Audited Counties in Tennessee

Tennessee County Tax Drift Leaderboard

3 Jurisdictions Audited
RankJurisdictionDrift ScoreRisk TierMuni Debt / CapCAD Lag Spread3-Yr Tax ShockAudit
#1Davidson County, TN69.9Elevated$7,900+26.0%+$76,465/yrView
#2Shelby County, TN61.1Elevated$6,800+18.0%+$931/yrView
#3Williamson County, TN58.9Elevated$7,400+28.0%+$115,098/yrView