COUNTY REPORT MO

Monroe County, Missouri

6 ZIP codes · Avg score 81/100 · Grade B · Updated

ZipCheckup grade for Monroe County: B.

This ZIP looks solid, with a few items worth a quick check.

Monroe County earns a high water safety grade - 6 ZIP codes tracked, virtually all compliant.

How Monroe County Compares

Monroe County81/100
Missouri avg72/100
National avg73/100

How Monroe County Compares

B
County Grade
81/100
Avg Safety Score
6
ZIP Codes
5
Water Systems

Monroe County scores 9 points above the Missouri state average (72/100) and 8 points above 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:

B
County Grade
81
Avg Safety Score
6
ZIP Codes
Best ZIP: 65258 (82/100)
Lowest ZIP: 63456 (80/100)
$151K
Median Home Value
$1,317
Avg Remediation (87% of home value)

ZIP Code Risk Map

Water Quality Map: Monroe County, Missouri

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: 16.1 (asthma 10.6%, diabetes 15%)

Estimated additional annual cost per homeowner: $548, driven primarily by flood

52% of homes built before 1978 (lead paint era)

Violation History (2021–2025)

↑ Worsening trend

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

2021
1 (1 health)
2022
1 (1 health)
2023
2 (2 health)
2024
3 (3 health)
2025
6 (6 health)

Peak year: 2025 with 6 violations. Past 5 years: 13 total (13 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

Asthma 10.6% (national: 8.9%)
Diabetes 15% (national: 10.5%)
Obesity 37.8% (national: 32.4%)

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

Infrastructure Overview

1976
Median Build Year
52%
Pre-1978 Housing
41/100
Infrastructure Stress Indicator
67%
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: $548

Flood $400/yr
Water / Lead $183/yr
Water Infrastructure $142/yr

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

Housing Age Distribution

5,107 housing units in Monroe County

Pre-1940 17%
1940–1959 9%
1960–1979 25%
1980–1999 26%
2000+ 23%

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

$151K
Median Home Value
$1,317
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 10.6% (US avg: 8.9%)
Diabetes 15% (US avg: 11%)
Obesity 37.8% (US avg: 32.4%)

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

Water systems serving Monroe County

5 community water systems serving Monroe County.

Systems with the most violations in Monroe County

3 water systems with recorded EPA violations.

All ZIP Codes in Monroe County

6 ZIP codes tracked in Monroe County.

# ZIP Code City Safety Score Grade Violations Home Value
1 65258 Holliday 82 B 5 $169K
2 65263 Madison 82 B 5 $124K
3 65275 Paris 81 B 8 $143K
4 65283 Stoutsville 81 B 8 $231K
5 63456 Monroe City 80 B 9 $151K
6 65282 Santa Fe

Recommended Buyer Guides for Monroe County

Filtered against EPA monitoring data and CDC lead-exposure guidance, the guides below skip the generic catalog and connect directly to the contaminants and hazards on file here.

Overview

Monroe County in Missouri covers 6 tracked ZIP records with an average Home Safety Score of B (81/100) across 5 scored records.

5 of 5 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 Missouri Home Safety Profile

Data Sources

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

Frequently Asked Questions

Is water safe in Monroe County?
Monroe County receives a grade of B, indicating generally safe tap water across its 6 ZIP codes.
How many water systems serve Monroe County?
Monroe County is served by 5 public water systems that supply drinking water to residents across 6 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 $548 per homeowner.
How old are homes in Monroe County?
The median home build year in Monroe County is 1976. 52% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Monroe County compare to Missouri?
Monroe County has an average Home Safety Score of 81/100 under model 4.0.0, which is above the Missouri state average of 72/100.

How to cite this page

APA ZipCheckup. (2026). Monroe County, MO: HSS 81/100; 9 Violations. https://zipcheckup.com/county/missouri/monroe/
BibTeX
@misc{zipcheckup-county-missouri-monroe,
  author = {{ZipCheckup}},
  title  = {{Monroe County, MO: HSS 81/100; 9 Violations}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/missouri/monroe/}
}

Page version: August 2026.

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