Stark County, Illinois
5 ZIP codes · Avg score 56/100 · Grade C · Updated 2026-06-03
Unlike top-rated counties, Stark County's 5 ZIP codes carry a fair number of documented violations — chlorine compliance and disinfection byproduct limits are the categories most often cited in recent data.
How Stark County Compares
How Stark County Compares
Stark County scores 5 points below the Illinois state average (61/100) and 12 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Stark County, Illinois
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.3 (asthma 10.3%, diabetes 12.7%)
Estimated additional annual cost per homeowner: $1,038, driven primarily by energy_code_gap
Infrastructure: 0.496% avg pipe failure probability, 100% of ZIPs at high risk
90.6% of homes built before 1978 (lead paint era)
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $1,038
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
2,763 housing units in Stark County
Source: U.S. Census Bureau ACS B25034 (Year Structure Built).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Stark County
Water safety remediation is a moderate expense relative to home values. Most homeowners can address issues through staged improvements over time.
Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.
Health Outcomes vs National Average
CDC PLACES data for Stark County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 4 systems in Stark County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Lafayette | 250 | 8 |
| 2 | Wyoming | 1,300 | 3 |
| 3 | Toulon | 1,193 | 1 |
| 4 | Bradford | 676 | 0 |
All ZIP Codes in Stark County
5 ZIP codes tracked in Stark County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 61491 | Wyoming | 63 | C | 3 | $119K |
| 2 | 61421 | Bradford | 61 | C | 0 | $79K |
| 3 | 61449 | La Fayette | 61 | C | 8 (1 health) | $58K |
| 4 | 61483 | Toulon | 57 | C | 1 (1 health) | $112K |
| 5 | 61426 | Castleton | 40 | D | 0 | $30K |
Recommended Buyer Guides for Stark County
Editorial-only picks, screened against the EPA detections on file.
- Best Lead Paint Test Kits — 90.6% of homes built before 1978
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
Deep Dive Reports
Detailed analysis for Stark County, Illinois
Overview
Stark County in Illinois covers 5 ZIP codes with an average Home Safety Score of C (56/100).
3 of 5 ZIP codes have recorded EPA violations. 2 health-based violations have been documented.
← Back to Illinois water quality report
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.