Hancock County, Mississippi
10 ZIP codes · Avg score 95/100 · Grade A · Updated
ZipCheckup grade for Hancock County: A.
No federal data flags a major home-safety concern for this ZIP.
Within Hancock County, all 10 tracked ZIP codes show above-average drinking water safety - violations are infrequent and typically minor.
How Hancock County Compares
How Hancock County Compares
Hancock County scores 6 points above the Mississippi state average (89/100) and 22 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:
ZIP Code Risk Map
Water Quality Map: Hancock County, Mississippi
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.8 (asthma 9.2%, diabetes 14.3%)
Estimated additional annual cost per homeowner: $3,799, driven primarily by flood
30.7% of homes built before 1978 (lead paint era)
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
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: $3,799
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
23,719 housing units in Hancock County
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 Hancock County
Remediation costs are relatively manageable for most homeowners in Hancock 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 Hancock County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Hancock County
8 community water systems serving Hancock County.
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Show all 8 water systems
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12 total water systems serve Hancock County.
Systems with the most violations in Hancock County
5 water systems with recorded EPA violations.
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All ZIP Codes in Hancock County
10 ZIP codes tracked in Hancock County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 39525 | Diamondhead | 100 | A | 7 | $237K |
| 2 | 39556 | Kiln | 97 | A | 11 (1 health) | $141K |
| 3 | 39520 | Bay Saint Louis | 93 | A | 17 (5 health) | $203K |
| 4 | 39576 | Waveland | 93 | A | 16 (5 health) | $216K |
| 5 | 39573 | Perkinston | 91 | A | 27 (4 health) | $201K |
| 6 | 39404 | Hattiesburg | — | — | — | |
| 7 | 39521 | Bay Saint Louis | — | — | — | |
| 8 | 39529 | Stennis Space Center | — | — | — | |
| 9 | 39558 | Lakeshore | — | — | — | |
| 10 | 39572 | Pearlington | — | — | 1 | $108K |
Recommended Buyer Guides for Hancock County
Independent picks. EPA-grounded. Matched here.
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Hancock County, Mississippi
Overview
Hancock County in Mississippi covers 10 tracked ZIP records with an average Home Safety Score of A (95/100) across 5 scored records.
6 of 6 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 9 health-based violations appear in the available health breakdown.
← Back to Mississippi Home Safety Profile
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- PFAS screening: EPA UCMR 5
- Radon zones: EPA Map of Radon Zones
- Air quality: EPA AirData annual AQI
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.