Rockingham County, New Hampshire
43 ZIP codes · Avg score 68/100 · Grade C
ZipCheckup grade for Rockingham County: C.
A mixed picture - some signals here are worth your attention.
If your home is in Rockingham County, the C grade is a cue to open your ZIP code's report, one of 43 here, and see which factors weigh on the score.
How Rockingham County Compares
How Rockingham County Compares
Rockingham County scores 6 points below the New Hampshire state average (74/100) and 5 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: Rockingham 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: 11.7 (asthma 10%, diabetes 9.1%)
Modeled additional annual cost estimate per homeowner: $1,521, largest modeled factor: Flood
47% 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: $1,521
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
133,999 housing units in Rockingham 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 Rockingham County
Modeled remediation costs in Rockingham 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 Rockingham County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems mapped to Rockingham County ZIP codes
8 community water systems mapped to Rockingham County ZIP codes; EPA may list more systems serving the county.
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Show all 8 water systems
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43 water systems mapped to Rockingham County ZIP codes in our data; EPA may list more systems serving the county.
Systems with the most violations in Rockingham County
5 water systems with violations in EPA records.
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All ZIP Codes in Rockingham County
43 ZIP codes tracked in Rockingham County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 03077 | Raymond | 83 | B | 1 (1 health) | $343K |
| 2 | 03857 | Newmarket | 83 | B | 0 | $385K |
| 3 | 03833 | Exeter | 67 | C | 1 (1 health) | $456K |
| 4 | 03840 | Greenland | 67 | C | 0 | $595K |
| 5 | 03038 | Derry | 66 | C | 2 (1 health) | $382K |
| 6 | 03053 | Londonderry | 66 | C | 2 | $464K |
| 7 | 03087 | Windham | 66 | C | 2 | $685K |
| 8 | 03801 | Portsmouth | 66 | C | 1 | $648K |
| 9 | 03811 | Atkinson | 66 | C | 1 | $489K |
| 10 | 03841 | Hampstead | 66 | C | 1 | $466K |
| 11 | 03854 | New Castle | 66 | C | 1 | $1613K |
| 12 | 03862 | North Hampton | 66 | C | 2 | $612K |
| 13 | 03885 | Stratham | 66 | C | 2 | $600K |
| 14 | 03079 | Salem | 65 | C | 3 (1 health) | $439K |
| 15 | 03870 | Rye | 65 | C | 4 (1 health) | $928K |
| 16 | 03874 | Seabrook | 65 | C | 5 | $435K |
| 17 | 03842 | Hampton | 64 | C | 6 (1 health) | $492K |
| 18 | 03865 | Plaistow | 64 | C | 4 (4 health) | $382K |
| 19 | 03032 | Auburn | — | — | $548K | |
| 20 | 03036 | Chester | — | — | $480K | |
| 21 | 03037 | Deerfield | — | — | $390K | |
| 22 | 03040 | East Candia | — | — | — | |
| 23 | 03041 | East Derry | — | — | — | |
| 24 | 03042 | Epping | — | — | 3 | $421K |
| 25 | 03044 | Fremont | — | — | $405K | |
| 26 | 03073 | North Salem | — | — | — | |
| 27 | 03261 | Northwood | — | — | $356K | |
| 28 | 03290 | Nottingham | — | — | $419K | |
| 29 | 03291 | West Nottingham | — | — | — | |
| 30 | 03802 | Portsmouth | — | — | — | |
| 31 | 03803 | Portsmouth | — | — | — | |
| 32 | 03804 | Portsmouth | — | — | — | |
| 33 | 03819 | Danville | — | — | 3 (1 health) | $407K |
| 34 | 03826 | East Hampstead | — | — | 1 | $486K |
| 35 | 03827 | East Kingston | — | — | 0 | $537K |
| 36 | 03843 | Hampton | — | — | — | |
| 37 | 03844 | Hampton Falls | — | — | 5 | $665K |
| 38 | 03848 | Kingston | — | — | $442K | |
| 39 | 03856 | Newfields | — | — | 0 | $618K |
| 40 | 03858 | Newton | — | — | 0 | $429K |
| 41 | 03859 | Newton Junction | — | — | — | |
| 42 | 03871 | Rye Beach | — | — | 4 (1 health) | $1504K |
| 43 | 03873 | Sandown | — | — | $402K |
Recommended Buyer Guides for Rockingham County
Each guide below is listed with the reason it appears.
- 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 Rockingham County, New Hampshire
Overview
Rockingham County in New Hampshire covers 43 tracked ZIP records with an average Home Safety Score of C (68/100) across 18 scored records.
21 of 26 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 11 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.