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FIPS: 17197•Rank #51 National•Rank #1 in IL
Will County, IL
Forward-Looking Municipal Debt, Assessment Lag & Carrying Cost Audit
Elevated Tax Drift Risk
96% Conf.
Tax Drift Index
58.7/ 100
Elevated Drift Risk
Will County Executive Risk Briefing
MSRB EMMA Disclosures & US Census BureauAugust 2026
Will County carries a Elevated Tax Drift Score (58.7/100) based on $8,400 in overlapping municipal debt per capita and a +21% CAD assessment lag spread. Projected 3-year millage escalation of +0.29% (+29 bps) indicates an estimated +$2,112/yr escrow adjustment on median-priced properties.
Median Home: $325,000Median Income: $96,000Effective Tax: 2.4%
Municipal Debt Per Capita
$8,400
8.8% of Median Income
CAD Valuation Lag
+21.0%
Assessed Value trailing Market HPI
3-Yr Millage Escalation
+29 bps
Effective Rate: 2.4% → 2.6%
Projected Annual Escrow Shock
+$2,112/yr
Estimated on median assessed home
Overlapping Taxing Jurisdictions & Debt Obligations
Breakdown of autonomous debt issuers assessing ad valorem property taxes on parcels within Will County.
| Entity Name | Entity Type | Outstanding Bond Debt | Debt / Student or Cap | Adopted Millage |
|---|---|---|---|---|
| Plainfield Community Consolidated School District 202 | ISD | $450.0M | $18,000 | 138.000% |
5-Year Historical Drift Score & Effective Rate Trajectory
2022
52
2.2% eff.
2023
54
2.3% eff.
2024
56
2.3% eff.
2025
58
2.3% eff.
2026
58.7
2.4% eff.
Statutory Constraint & Legislative Policy
Joliet and Plainfield growth corridors finance new educational facilities under PTELL consumer price index constraints.
Data Provenance & Audit Citations