Hillsborough County, New Hampshire
40 ZIP codes · Avg score 75/100 · Grade B
ZipCheckup grade for Hillsborough County: B.
This ZIP has a few items worth a quick check.
ZipCheckup rates Hillsborough County in the top two of its five grades; 40 ZIP codes are tracked there.
How Hillsborough County Compares
How Hillsborough County Compares
Hillsborough County scores 1 points above the New Hampshire state average (74/100) and 2 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
ZIP Code Risk Map
Water Quality Map: Hillsborough County, New Hampshire
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 11.5 (asthma 10.6%, diabetes 9.2%)
Modeled additional annual cost estimate per homeowner: $1,388, largest modeled factor: Flood
55% 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: $1,388
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
175,668 housing units in Hillsborough 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 Hillsborough County
Modeled remediation costs in Hillsborough 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.
Health Outcomes vs National Average
CDC PLACES data for Hillsborough County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems mapped to Hillsborough County ZIP codes
8 community water systems mapped to Hillsborough County ZIP codes; EPA may list more systems serving the county.
- C
- B
- B
- C
- B
- C
Show all 8 water systems
- B
24 water systems mapped to Hillsborough County ZIP codes in our data; EPA may list more systems serving the county.
Systems with the most violations in Hillsborough County
5 water systems with violations in EPA records.
- B
- C
All ZIP Codes in Hillsborough County
40 ZIP codes tracked in Hillsborough County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 03055 | Milford | 83 | B | 2 | $364K |
| 2 | 03060 | Nashua | 83 | B | 0 | $339K |
| 3 | 03062 | Nashua | 83 | B | 0 | $398K |
| 4 | 03063 | Nashua | 83 | B | 0 | $372K |
| 5 | 03064 | Nashua | 83 | B | 0 | $382K |
| 6 | 03458 | Peterborough | 82 | B | 3 | $368K |
| 7 | 03054 | Merrimack | 75 | B | 25 | $406K |
| 8 | 03052 | Litchfield | 67 | C | 0 | $444K |
| 9 | 03103 | Manchester | 67 | C | 0 | $314K |
| 10 | 03109 | Manchester | 67 | C | 0 | $350K |
| 11 | 03110 | Bedford | 67 | C | 0 | $582K |
| 12 | 03051 | Hudson | 63 | C | 4 | $407K |
| 13 | 03031 | Amherst | — | — | 0 | $491K |
| 14 | 03033 | Brookline | — | — | $480K | |
| 15 | 03043 | Francestown | — | — | $379K | |
| 16 | 03045 | Goffstown | — | — | 12 (3 health) | $360K |
| 17 | 03047 | Greenfield | — | — | $315K | |
| 18 | 03048 | Greenville | — | — | 17 (1 health) | $275K |
| 19 | 03049 | Hollis | — | — | $623K | |
| 20 | 03057 | Mont Vernon | — | — | $479K | |
| 21 | 03061 | Nashua | — | — | — | |
| 22 | 03070 | New Boston | — | — | $436K | |
| 23 | 03071 | New Ipswich | — | — | $318K | |
| 24 | 03076 | Pelham | — | — | 0 | $485K |
| 25 | 03082 | Lyndeborough | — | — | $334K | |
| 26 | 03084 | Temple | — | — | $362K | |
| 27 | 03086 | Wilton | — | — | 0 | $370K |
| 28 | 03101 | Manchester | — | — | 0 | $418K |
| 29 | 03102 | Manchester | — | — | 0 | $309K |
| 30 | 03104 | Manchester | — | — | 0 | $364K |
| 31 | 03105 | Manchester | — | — | — | |
| 32 | 03107 | Manchester | — | — | — | |
| 33 | 03108 | Manchester | — | — | — | |
| 34 | 03111 | Manchester | — | — | — | |
| 35 | 03244 | Hillsborough | — | — | 4 | $253K |
| 36 | 03281 | Weare | — | — | $363K | |
| 37 | 03440 | Antrim | — | — | 0 | $271K |
| 38 | 03442 | Bennington | — | — | $250K | |
| 39 | 03449 | Hancock | — | — | 0 | $423K |
| 40 | 03468 | West Peterborough | — | — | — |
Recommended Buyer Guides for Hillsborough County
The mix of guides changes from county to county.
- Water Filters Certified for PFAS Reduction — PFAS detected in 1 ZIP code
- Best Water Filters for Lead — Lead above EPA action level in 1 ZIP code
- Best Lead Paint Test Kits — 55% of homes built before 1980
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Sump Pumps — Flood is the top compound risk factor
Deep Dive Reports
Detailed analysis for Hillsborough County, New Hampshire
Overview
Hillsborough County in New Hampshire covers 40 tracked ZIP records with an average Home Safety Score of B (75/100) across 12 scored records.
7 of 23 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 New Hampshire 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.