McLean County, Illinois
30 ZIP codes · Avg score 59/100 · Grade C · Updated
ZipCheckup grade for McLean County: C.
A mixed picture - some signals here are worth your attention.
Although much of McLean County meets baseline standards, some of its 30 ZIP codes show violations that merit closer attention.
How McLean County Compares
How McLean County Compares
McLean County scores 9 points below the Illinois state average (68/100) and 14 points below the national average (73/100).
Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData Last verified:
ZIP Code Risk Map
Water Quality Map: McLean County, Illinois
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 11.4 (asthma 10.3%, diabetes 9.5%)
Estimated additional annual cost per homeowner: $1,298, driven primarily by flood
70.3% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
↑ Worsening trendEPA violation counts by year across McLean County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 7 violations. Past 5 years: 16 total (16 health-based). Health-based violations are rising versus the prior 2-year window - worth closer monitoring.
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINS infrastructure needs, EPA SDWIS violations, and EPA lead indicators.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $1,298
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
74,296 housing units in McLean 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 McLean County
Remediation costs are relatively manageable for most homeowners in McLean County, representing a small fraction of property value.
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 McLean County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving McLean County
8 community water systems serving McLean County.
- C
- C
- C
- C
Show all 8 water systems
- C
- D
13 total water systems serve McLean County.
Systems with the most violations in McLean County
5 water systems with recorded EPA violations.
- C
- D
- C
- D
- C
All ZIP Codes in McLean County
30 ZIP codes tracked in McLean County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 61748 | Hudson | 67 | C | 0 | $224K |
| 2 | 61776 | Towanda | 67 | C | 0 | $198K |
| 3 | 61761 | Normal | 66 | C | 2 | $201K |
| 4 | 61752 | Le Roy | 58 | C | 15 (4 health) | $176K |
| 5 | 61701 | Bloomington | 57 | C | 27 | $139K |
| 6 | 61704 | Bloomington | 50 | D | 28 (1 health) | $242K |
| 7 | 61705 | Bloomington | 50 | D | 23 (1 health) | $310K |
| 8 | 61709 | Bloomington | — | — | — | |
| 9 | 61710 | Bloomington | — | — | — | |
| 10 | 61720 | Anchor | — | — | $104K | |
| 11 | 61722 | Arrowsmith | — | — | $122K | |
| 12 | 61724 | Bellflower | — | — | $134K | |
| 13 | 61725 | Carlock | — | — | 0 | $222K |
| 14 | 61728 | Colfax | — | — | $152K | |
| 15 | 61730 | Cooksville | — | — | $159K | |
| 16 | 61731 | Cropsey | — | — | $182K | |
| 17 | 61732 | Danvers | — | — | 0 | $213K |
| 18 | 61736 | Downs | — | — | 2 | $284K |
| 19 | 61737 | Ellsworth | — | — | $155K | |
| 20 | 61744 | Gridley | — | — | 0 | $155K |
| 21 | 61745 | Heyworth | — | — | 2 | $209K |
| 22 | 61753 | Lexington | — | — | $190K | |
| 23 | 61754 | Mc Lean | — | — | $147K | |
| 24 | 61758 | Merna | — | — | — | |
| 25 | 61770 | Saybrook | — | — | $101K | |
| 26 | 61772 | Shirley | — | — | 3 | — |
| 27 | 61774 | Stanford | — | — | $131K | |
| 28 | 61790 | Normal | — | — | — | |
| 29 | 61791 | Bloomington | — | — | — | |
| 30 | 61799 | Bloomington | — | — | — |
Recommended Buyer Guides for McLean County
Designed to find the guide that fits the county, not the other way around - the system reads EPA detections, FEMA hazard layers, and CDC lead-exposure markers, then outputs the categories that resolve those specific risks for households here, with NSF-certified products surfaced when the matching contaminant appears in the local monitoring data.
- Best Water Filters for Lead — Lead above EPA action level in 1 ZIP code
- Best Lead Paint Test Kits — 70.3% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
- Best Sump Pumps — Flood is the top compound risk factor
Deep Dive Reports
Detailed analysis for McLean County, Illinois
Overview
McLean County in Illinois covers 30 tracked ZIP records with an average Home Safety Score of C (59/100) across 7 scored records.
8 of 13 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 5 health-based violations appear in the available health breakdown.
← Back to Illinois Home Safety Profile
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- PFAS screening: EPA UCMR 5
- Radon zones: EPA Map of Radon Zones
- Air quality: EPA AirData annual AQI
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.