COUNTY REPORT MO

Mercer County, Missouri

3 ZIP codes · Home Safety Score unavailable · 0 of 3 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 3 tracked ZIP records scored
3
ZIP Codes
$80K
Median Home Value
$1,100
Avg Remediation (138% of home value)

Key Risk Factors

Health risk index: 16.6 (asthma 10.8%, diabetes 15.6%)

Estimated additional annual cost per homeowner: $570, driven primarily by energy_code_gap

73.3% of homes built before 1978 (lead paint era)

Violation History (2024–2025)

→ Stable trend

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

2024
4 (4 health)
2025
3 (3 health)

Peak year: 2024 with 4 violations. Past 5 years: 7 total (7 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 15.6% (national: 10.5%)
Obesity 41.1% (national: 32.4%)

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

Infrastructure Overview

1962
Median Build Year
73.3%
Pre-1978 Housing
45/100
Infrastructure Stress Indicator
100%
ZIPs with High Infrastructure Stress
High
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: $570

Energy Code Gap $270/yr
Water / Lead $150/yr
Water Infrastructure $150/yr

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

Housing Age Distribution

2,027 housing units in Mercer County

Pre-1940 18%
1940–1959 19%
1960–1979 33%
1980–1999 17%
2000+ 13%

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 Mercer County

$80K
Median Home Value
$1,100
Est. Remediation Cost
1.4%
of Home Value
Remediation as % of home value low burden

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

Asthma 10.8% (US avg: 8.9%)
Diabetes 15.6% (US avg: 11%)
Obesity 41.1% (US avg: 32.4%)

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

Water systems serving Mercer County

2 community water systems serving Mercer County.

Systems with the most violations in Mercer County

2 water systems with recorded EPA violations.

All ZIP Codes in Mercer County

3 ZIP codes tracked in Mercer County.

# ZIP Code City Safety Score Grade Violations Home Value
1 64632 Cainsville 16 (1 health) $79K
2 64661 Mercer 6 $80K
3 64673 Princeton 6 $91K

Recommended Buyer Guides for Mercer County

Retailer arrangements don't shape what appears here - the selection logic is independent, filtered against EPA detections and the federal hazard data on file for this county.

Overview

Mercer County in Missouri covers 3 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.

3 of 3 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 1 health-based violation appear in the available health breakdown.

← 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

How many water systems serve Mercer County?
Mercer County is served by 2 public water systems that supply drinking water to residents across 3 ZIP codes.
What is the biggest environmental risk in Mercer County?
The primary environmental risk factor in Mercer County is energy_code_gap. This contributes to an estimated additional annual cost of $570 per homeowner.
How old are homes in Mercer County?
The median home build year in Mercer County is 1962. 73.3% 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). Mercer County, Missouri Home Safety Profile. https://zipcheckup.com/county/missouri/mercer/
BibTeX
@misc{zipcheckup-county-missouri-mercer,
  author = {{ZipCheckup}},
  title  = {{Mercer County, Missouri Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/missouri/mercer/}
}

Page version: August 2026.

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