Northampton County, Virginia
15 ZIP codes · Home Safety Score unavailable · 0 of 15 tracked ZIP records scored
Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData
ZIP Code Risk Map
Water Quality Map: Northampton County, Virginia
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 16.2 (asthma 11.1%, diabetes 18.5%)
Modeled additional annual cost estimate per homeowner: $2,929, largest modeled factor: Sea Level
49% of homes built before 1980 (lead paint was banned for residential use in 1978)
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 DWINSA infrastructure needs, EPA SDWIS violations, and EPA lead indicators.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $2,929
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
7,401 housing units in Northampton County
Source: U.S. Census Bureau ACS B25034 (Year Structure Built).
Health Outcomes vs National Average
CDC PLACES data for Northampton County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems mapped to Northampton County ZIP codes
3 community water systems mapped to Northampton County ZIP codes; EPA may list more systems serving the county.
Systems with the most violations in Northampton County
2 water systems with violations in EPA records.
All ZIP Codes in Northampton County
15 ZIP codes tracked in Northampton County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 23307 | Birdsnest | — | — | $146K | |
| 2 | 23310 | Cape Charles | — | — | 2 | $345K |
| 3 | 23313 | Capeville | — | — | — | |
| 4 | 23316 | Cheriton | — | — | $219K | |
| 5 | 23347 | Eastville | — | — | 2 | — |
| 6 | 23350 | Exmore | — | — | 6 | $180K |
| 7 | 23354 | Franktown | — | — | 6 | $493K |
| 8 | 23398 | Jamesville | — | — | — | |
| 9 | 23405 | Machipongo | — | — | 2 | $343K |
| 10 | 23408 | Marionville | — | — | — | |
| 11 | 23413 | Nassawadox | — | — | 6 | — |
| 12 | 23419 | Oyster | — | — | — | |
| 13 | 23429 | Seaview | — | — | — | |
| 14 | 23443 | Townsend | — | — | — | |
| 15 | 23486 | Willis Wharf | — | — | — |
Recommended Buyer Guides for Northampton County
Nothing on this list means a problem exists in your own home: the matches are drawn from county- and ZIP-level records, so a guide shows up because of an area signal, and only testing at your tap describes a specific household.
- Best Water Testing Kits — Baseline water quality check for your ZIP
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant peace of mind
Deep Dive Reports
Detailed analysis for Northampton County, Virginia
Overview
Northampton County in Virginia covers 15 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.
6 of 6 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 Virginia 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.