State Municipal Index • WI

Wisconsin Property Tax Drift Index

State Avg Drift Score

66/100

Wisconsin Municipal Risk Briefing

State Comptroller & US Census Bureau (WI)August 2026

Wisconsin maintains an average TaxDrift Score of 66/100 across monitored jurisdictions. Overlapping municipal bond issuances and assessment equalization rollbacks determine local millage carrying costs under statutory rules.

Population

5,910,955

Avg Effective Tax Rate

1.1%

Total Tracked Muni Debt

$26.6B

Counties Monitored

Statutory Tax Caps & Voter-Approval Rules (WI)

Municipal and county levy limits tied strictly to net new construction value.

Audited Counties in Wisconsin

Wisconsin County Tax Drift Leaderboard

Showing 0 of 0 Audited Jurisdictions

No county records match the active filter criteria.