COUNTY REPORT IL

Monroe 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
$207K
Median Home Value
$1,843
Avg Remediation (89% of home value)

ZIP Code Risk Map

Water Quality Map: Monroe 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: 12.3 (asthma 9.9%, diabetes 10.1%)

Estimated additional annual cost per homeowner: $1,706, driven primarily by flood

44.9% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 9.9% (national: 8.9%)
Diabetes 10.1% (national: 10.5%)
Obesity 35.5% (national: 32.4%)

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

Infrastructure Overview

1991
Median Build Year
44.9%
Pre-1978 Housing
35/100
Infrastructure Stress Indicator
29%
ZIPs with High Infrastructure Stress
Moderate
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: $1,706

Flood $1,720/yr
Energy Code Gap $270/yr
Water Infrastructure $107/yr

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

Housing Age Distribution

14,470 housing units in Monroe County

Pre-1940 9%
1940–1959 12%
1960–1979 18%
1980–1999 28%
2000+ 33%

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 Monroe County

$207K
Median Home Value
$1,843
Est. Remediation Cost
0.9%
of Home Value
Remediation as % of home value low burden

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

Asthma 9.9% (US avg: 8.9%)
Diabetes 10.1% (US avg: 11%)
Obesity 35.5% (US avg: 32.4%)

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

Water systems serving Monroe County

7 community water systems serving Monroe County.

Show all 7 water systems
  • Valmeyer
    Serves ~1,263 people 1 violation

Systems with the most violations in Monroe County

5 water systems with recorded EPA violations.

  • Waterloo
    Serves ~10,190 people 29 violations
  • New Athens
    Serves ~1,970 people 3 violations
  • Columbia
    Serves ~11,129 people 2 violations
  • Dupo
    Serves ~4,684 people 1 violation
  • Millstadt
    Serves ~4,071 people 1 violation

All ZIP Codes in Monroe County

7 ZIP codes tracked in Monroe County.

# ZIP Code City Safety Score Grade Violations Home Value
1 62236 Columbia 33 $300K
2 62244 Fults 29 $207K
3 62248 Hecker $154K
4 62256 Maeystown $154K
5 62279 Renault $271K
6 62295 Valmeyer 30 $197K
7 62298 Waterloo 35 $263K

Recommended Buyer Guides for Monroe 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.

Overview

Monroe 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.

4 of 4 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. The available record reports no health-based violations for this measured scope.

← 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 Monroe County?
Monroe County is served by 7 public water systems that supply drinking water to residents across 7 ZIP codes.
What is the biggest environmental risk in Monroe County?
The primary environmental risk factor in Monroe County is flood. This contributes to an estimated additional annual cost of $1,706 per homeowner.
How old are homes in Monroe County?
The median home build year in Monroe County is 1991. 44.9% 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). Monroe County, Illinois Home Safety Profile. https://zipcheckup.com/county/illinois/monroe/
BibTeX
@misc{zipcheckup-county-illinois-monroe,
  author = {{ZipCheckup}},
  title  = {{Monroe County, Illinois Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/illinois/monroe/}
}

Page version: August 2026.

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