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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
Showing 3 of 3 Audited Jurisdictions| Rank | Jurisdiction | Risk Tier | Audit | ||||
|---|---|---|---|---|---|---|---|
| #1 | Davidson County, TN | 69.9 | Elevated | $7,900 | +26.0% | +$1,204/yr | View |
| #2 | Shelby County, TN | 61.1 | Elevated | $6,800 | +18.0% | +$931/yr | View |
| #3 | Williamson County, TN | 58.9 | Elevated | $7,400 | +28.0% | +$1,567/yr | View |