Dukes County, Massachusetts
7 ZIP codes · Avg score 83/100 · Grade B · Updated
ZipCheckup grade for Dukes County: B.
This ZIP looks solid, with a few items worth a quick check.
Compared to state averages, Dukes County scores well - its 7 ZIP codes sit above the baseline for tap water quality.
How Dukes County Compares
How Dukes County Compares
Dukes County scores 13 points above the Massachusetts state average (70/100) and 10 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: Dukes County, Massachusetts
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 12.3 (asthma 11.5%, diabetes 10.6%)
Estimated additional annual cost per homeowner: $1,694, driven primarily by flood
63.8% 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: $1,694
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
17,584 housing units in Dukes 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 Dukes County
Remediation costs are relatively manageable for most homeowners in Dukes 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 Dukes County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Dukes County
3 community water systems serving Dukes County.
- B
- B
- B
Systems with the most violations in Dukes County
1 water system with recorded EPA violations.
- B
All ZIP Codes in Dukes County
7 ZIP codes tracked in Dukes County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 02539 | Edgartown | 83 | B | 0 | $1172K |
| 2 | 02557 | Oak Bluffs | 83 | B | 0 | $1006K |
| 3 | 02568 | Vineyard Haven | 82 | B | 15 | $911K |
| 4 | 02535 | Chilmark | — | — | $1805K | |
| 5 | 02552 | Menemsha | — | — | — | |
| 6 | 02575 | West Tisbury | — | — | $1183K | |
| 7 | 02713 | Cuttyhunk | — | — | $700K |
Recommended Buyer Guides for Dukes County
Independent picks. EPA-grounded. Matched here.
- Best Lead Paint Test Kits — 63.8% of homes built before 1978
- 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 Dukes County, Massachusetts
Overview
Dukes County in Massachusetts covers 7 tracked ZIP records with an average Home Safety Score of B (83/100) across 3 scored records.
1 of 3 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 Massachusetts 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.