Northampton County, Pennsylvania
29 ZIP codes · Avg score 64/100 · Grade C
ZipCheckup grade for Northampton County: C.
A mixed picture - some signals here are worth your attention.
ZipCheckup gives Northampton County a C; the county page lists 29 ZIP codes, each with its own report.
How Northampton County Compares
How Northampton County Compares
Northampton County scores 7 points above the Pennsylvania state average (57/100) and 9 points below the national average (73/100).
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, Pennsylvania
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Modeled additional annual cost estimate per homeowner: $3,702, largest modeled factor: Sea Level
61% of homes built before 1980 (lead paint was banned for residential use in 1978)
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: $3,702
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
128,038 housing units in Northampton 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 Northampton County
Modeled remediation costs in Northampton County can be compared with the median property value; actual costs vary by property.
Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.
Water systems mapped to Northampton County ZIP codes
8 community water systems mapped to Northampton County ZIP codes; EPA may list more systems serving the county.
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Show all 8 water systems
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17 water systems mapped to Northampton County ZIP codes in our data; EPA may list more systems serving the county.
Systems with the most violations in Northampton County
5 water systems with violations in EPA records.
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All ZIP Codes in Northampton County
29 ZIP codes tracked in Northampton County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 18040 | Easton | 67 | C | 0 | $348K |
| 2 | 18042 | Easton | 67 | C | 0 | $206K |
| 3 | 18072 | Pen Argyl | 67 | C | 0 | $244K |
| 4 | 18083 | Stockertown | 67 | C | 0 | $264K |
| 5 | 18085 | Tatamy | 67 | C | 0 | $275K |
| 6 | 18091 | Wind Gap | 67 | C | 0 | $250K |
| 7 | 18020 | Bethlehem | 66 | C | 3 | $349K |
| 8 | 18045 | Easton | 66 | C | 3 | $301K |
| 9 | 18064 | Nazareth | 66 | C | 3 | $355K |
| 10 | 18014 | Bath | 65 | C | 6 | $278K |
| 11 | 18017 | Bethlehem | 65 | C | 6 | $311K |
| 12 | 18032 | Catasauqua | 63 | C | 12 | $214K |
| 13 | 18067 | Northampton | 63 | C | 9 (1 health) | $265K |
| 14 | 18015 | Bethlehem | 62 | C | 12 (1 health) | $243K |
| 15 | 18055 | Hellertown | 62 | C | 12 (1 health) | $294K |
| 16 | 18013 | Bangor | 57 | C | 29 | $246K |
| 17 | 18343 | Mount Bethel | 57 | C | 29 | $274K |
| 18 | 18002 | Lehigh Valley | — | — | — | |
| 19 | 18003 | Lehigh Valley | — | — | — | |
| 20 | 18016 | Bethlehem | — | — | — | |
| 21 | 18025 | Bethlehem | — | — | — | |
| 22 | 18035 | Cherryville | — | — | — | |
| 23 | 18038 | Danielsville | — | — | 3 (1 health) | $248K |
| 24 | 18043 | Easton | — | — | — | |
| 25 | 18044 | Easton | — | — | — | |
| 26 | 18063 | Martins Creek | — | — | $204K | |
| 27 | 18086 | Treichlers | — | — | $262K | |
| 28 | 18088 | Walnutport | — | — | 60 (5 health) | $241K |
| 29 | 18351 | Portland | — | — | $259K |
Recommended Buyer Guides for Northampton County
These buyer guides are matched by rule rather than by hand - a PFAS record adds a PFAS filter guide, a lead action-level exceedance adds lead filter guides, a high share of pre-1978 homes adds lead paint test kits, EPA Radon Zone 1 add radon kits, and a top flood or wildfire risk adds related equipment.
- Water Filters Certified for PFAS Reduction — PFAS detected in 1 ZIP code
- Best Lead Paint Test Kits — 61% of homes built before 1980
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
Deep Dive Reports
Detailed analysis for Northampton County, Pennsylvania
Overview
Northampton County in Pennsylvania covers 29 tracked ZIP records with an average Home Safety Score of C (64/100) across 17 scored records.
13 of 19 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 6 health-based violations appear in the available health breakdown.
← Back to Pennsylvania 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.