TaxDriftIndex
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State Municipal Index • MT

Montana Property Tax Drift Index

State Avg Drift Score
59/100
Montana Municipal Risk Briefing
State Comptroller & US Census Bureau (MT)August 2026

Montana maintains an average TaxDrift Score of 59/100 across monitored jurisdictions. Overlapping municipal bond issuances and assessment equalization rollbacks determine local millage carrying costs under statutory rules.

Population
1,132,812
Avg Effective Tax Rate
1.1%
Total Tracked Muni Debt
$5.1B
Counties Monitored
12

Statutory Tax Caps & Voter-Approval Rules (MT)

Biennial residential reassessments with statutory tax rate adjustment mechanisms.

Audited Counties in Montana

Montana County Tax Drift Leaderboard

Showing 0 of 0 Audited Jurisdictions
No county records match the active filter criteria.