COUNTY REPORT IL

Clay County, Illinois

7 ZIP codes · Home Safety Score unavailable · 0 of 7 tracked ZIP records scored · Updated

Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData Last verified:

Unavailable
0 of 7 tracked ZIP records scored
7
ZIP Codes
$99K
Median Home Value
$1,186
Avg Remediation (120% of home value)

ZIP Code Risk Map

Water Quality Map: Clay County, Illinois

Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.

A B C D F

Key Risk Factors

Health risk index: 15.4 (asthma 10.8%, diabetes 13.9%)

Estimated additional annual cost per homeowner: $834, driven primarily by energy_code_gap

61.3% of homes built before 1978 (lead paint era)

Violation History (2022–2023)

→ Stable trend

EPA violation counts by year across Clay County water systems. Health-based shown in red, total in blue.

2022
1 (1 health)
2023
2 (2 health)

Peak year: 2023 with 2 violations. Past 5 years: 3 total (3 health-based).

Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.

County Health Indicators vs National Average

Asthma 10.8% (national: 8.9%)
Diabetes 13.9% (national: 10.5%)
Obesity 41.5% (national: 32.4%)

Black markers indicate national averages. Source: CDC PLACES, Census ACS.

Infrastructure Overview

1975
Median Build Year
61.3%
Pre-1978 Housing
44/100
Infrastructure Stress Indicator
71%
ZIPs with High Infrastructure Stress
Low
Lead Pipe Risk

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: $834

Energy Code Gap $463/yr
Flood $200/yr
Water / Lead $164/yr

Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).

Housing Age Distribution

6,662 housing units in Clay County

Pre-1940 19%
1940–1959 20%
1960–1979 19%
1980–1999 24%
2000+ 18%

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 Clay County

$99K
Median Home Value
$1,186
Est. Remediation Cost
1.2%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Clay 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 Clay County residents

Asthma 10.8% (US avg: 8.9%)
Diabetes 13.9% (US avg: 11%)
Obesity 41.5% (US avg: 32.4%)

Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.

Water systems serving Clay County

5 community water systems serving Clay County.

Systems with the most violations in Clay County

4 water systems with recorded EPA violations.

All ZIP Codes in Clay County

7 ZIP codes tracked in Clay County.

# ZIP Code City Safety Score Grade Violations Home Value
1 62426 Edgewood 26 (2 health) $75K
2 62434 Ingraham 24 $173K
3 62824 Clay City 28 $84K
4 62839 Flora 29 $91K
5 62858 Louisville 24 $107K
6 62879 Sailor Springs
7 62899 Xenia 28 $136K

Recommended Buyer Guides for Clay County

Federal and certification sources drive the ordering: EPA monitoring data, NSF certifications, FEMA flood maps, and CDC lead guidance - guides surface only when county data warrants them.

Overview

Clay County in Illinois covers 7 tracked ZIP records. No Home Safety Score is published because the required model evidence is incomplete for every tracked record; missing evidence is not treated as zero.

6 of 6 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 2 health-based violations appear in the available health breakdown.

← Back to Illinois Home Safety Profile

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Frequently Asked Questions

How many water systems serve Clay County?
Clay County is served by 5 public water systems that supply drinking water to residents across 7 ZIP codes.
What is the biggest environmental risk in Clay County?
The primary environmental risk factor in Clay County is energy_code_gap. This contributes to an estimated additional annual cost of $834 per homeowner.
How old are homes in Clay County?
The median home build year in Clay County is 1975. 61.3% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.

How to cite this page

APA ZipCheckup. (2026). Clay County, Illinois Home Safety Profile. https://zipcheckup.com/county/illinois/clay/
BibTeX
@misc{zipcheckup-county-illinois-clay,
  author = {{ZipCheckup}},
  title  = {{Clay County, Illinois Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/illinois/clay/}
}

Page version: August 2026.

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