COUNTY REPORT IN

Posey County, Indiana

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

ZipCheckup grade for Posey County: B.

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

Across Posey County's 6 ZIP codes, EPA compliance data shows above-average performance - violation rates are minimal, none of the county's systems have triggered health-based MCL exceedances in recent cycles, and the county's scores have stayed above the national baseline across every recent reporting period.

How Posey County Compares

Posey County81/100
Indiana avg64/100
National avg73/100

How Posey County Compares

B
County Grade
81/100
Avg Safety Score
6
ZIP Codes
3
Water Systems

Posey County scores 17 points above the Indiana state average (64/100) 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: 47620 (82/100)
Lowest ZIP: 47612 (80/100)
$160K
Median Home Value
$1,617
Avg Remediation (101% of home value)

ZIP Code Risk Map

Water Quality Map: Posey County, Indiana

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: 14.5 (asthma 10.9%, diabetes 12.9%)

Estimated additional annual cost per homeowner: $1,390, driven primarily by flood

72% of homes built before 1978 (lead paint era)

Violation History (2024–2025)

→ Stable trend

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

2024
2 (2 health)
2025
2 (2 health)

Peak year: 2024 with 2 violations. Past 5 years: 4 total (4 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 10.9% (national: 8.9%)
Diabetes 12.9% (national: 10.5%)
Obesity 40.4% (national: 32.4%)

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

Infrastructure Overview

1973
Median Build Year
72%
Pre-1978 Housing
51/100
Infrastructure Stress Indicator
83%
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: $1,390

Flood $1,133/yr
Energy Code Gap $315/yr
Water / Lead $275/yr

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

Housing Age Distribution

9,738 housing units in Posey County

Pre-1940 15%
1940–1959 13%
1960–1979 33%
1980–1999 22%
2000+ 16%

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 Posey County

$160K
Median Home Value
$1,617
Est. Remediation Cost
1.0%
of Home Value
Remediation as % of home value low burden

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

Asthma 10.9% (US avg: 8.9%)
Diabetes 12.9% (US avg: 11%)
Obesity 40.4% (US avg: 32.4%)

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

Water systems serving Posey County

3 community water systems serving Posey County.

Systems with the most violations in Posey County

2 water systems with recorded EPA violations.

All ZIP Codes in Posey County

6 ZIP codes tracked in Posey County.

# ZIP Code City Safety Score Grade Violations Home Value
1 47620 Mount Vernon 82 B 5 $216K
2 47612 Cynthiana 80 B 7 (4 health) $112K
3 47616 Griffin 0 $78K
4 47631 New Harmony $184K
5 47633 Poseyville $136K
6 47638 Wadesville $263K

Recommended Buyer Guides for Posey County

Independent picks. EPA-grounded. Matched here.

Overview

Posey County in Indiana covers 6 tracked ZIP records with an average Home Safety Score of B (81/100) across 2 scored records.

2 of 3 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 4 health-based violations appear in the available health breakdown.

← Back to Indiana 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 Posey County?
Posey County receives a grade of B, indicating generally safe tap water across its 6 ZIP codes.
How many water systems serve Posey County?
Posey County is served by 3 public water systems that supply drinking water to residents across 6 ZIP codes.
What is the biggest environmental risk in Posey County?
The primary environmental risk factor in Posey County is flood. This contributes to an estimated additional annual cost of $1,390 per homeowner.
How old are homes in Posey County?
The median home build year in Posey County is 1973. 72% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Posey County compare to Indiana?
Posey County has an average Home Safety Score of 81/100 under model 4.0.0, which is above the Indiana state average of 64/100.

How to cite this page

APA ZipCheckup. (2026). Posey County, IN: HSS 81/100; 4 Health Violations. https://zipcheckup.com/county/indiana/posey/
BibTeX
@misc{zipcheckup-county-indiana-posey,
  author = {{ZipCheckup}},
  title  = {{Posey County, IN: HSS 81/100; 4 Health Violations}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/indiana/posey/}
}

Page version: August 2026.

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