Sussex County, Delaware
24 ZIP codes · Avg score 86/100 · Grade A
ZipCheckup grade for Sussex County: A.
Checked records flag no major concern; missing data is unknown.
An upper-band grade for Sussex County is an average, and averages can hide variation, so the 24 ZIP-level reports are worth checking one by one.
How Sussex County Compares
How Sussex County Compares
Sussex County scores 5 points above the Delaware state average (81/100) and 13 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: Sussex County, Delaware
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.8 (asthma 10.5%, diabetes 14.2%)
Modeled additional annual cost estimate per homeowner: $3,931, largest modeled factor: Sea Level
27% 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: $3,931
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
153,060 housing units in Sussex 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 Sussex County
Modeled remediation costs in Sussex 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 Sussex County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems mapped to Sussex County ZIP codes
8 community water systems mapped to Sussex County ZIP codes; EPA may list more systems serving the county.
- B
- B
- B
- B
- B
- B
Show all 8 water systems
- B
- B
53 water systems mapped to Sussex County ZIP codes in our data; EPA may list more systems serving the county.
Systems with the most violations in Sussex County
5 water systems with violations in EPA records.
- A
- B
- A
- B
- B
All ZIP Codes in Sussex County
24 ZIP codes tracked in Sussex County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 19933 | Bridgeville | 100 | A | 1 | $231K |
| 2 | 19963 | Milford | 100 | A | 0 | $291K |
| 3 | 19956 | Laurel | 97 | A | 6 (3 health) | $234K |
| 4 | 19973 | Seaford | 96 | A | 8 (3 health) | $254K |
| 5 | 19807 | Wilmington | 83 | B | 2 | $895K |
| 6 | 19930 | Bethany Beach | 83 | B | 2 | $798K |
| 7 | 19939 | Dagsboro | 83 | B | 2 | $365K |
| 8 | 19940 | Delmar | 83 | B | 0 | $226K |
| 9 | 19945 | Frankford | 83 | B | 1 | $410K |
| 10 | 19951 | Harbeson | 83 | B | 0 | $428K |
| 11 | 19958 | Lewes | 83 | B | 0 | $489K |
| 12 | 19966 | Millsboro | 83 | B | 1 | $282K |
| 13 | 19967 | Millville | 83 | B | 0 | $450K |
| 14 | 19968 | Milton | 83 | B | 0 | $419K |
| 15 | 19970 | Ocean View | 83 | B | 2 | $490K |
| 16 | 19971 | Rehoboth Bch | 83 | B | 0 | $561K |
| 17 | 19975 | Selbyville | 83 | B | 0 | $430K |
| 18 | 19944 | Fenwick Island | 82 | B | 3 | $1160K |
| 19 | 19947 | Georgetown | 81 | B | 4 (3 health) | $294K |
| 20 | 19931 | Bethel | — | — | $276K | |
| 21 | 19941 | Ellendale | — | — | 0 | $226K |
| 22 | 19950 | Greenwood | — | — | 2 (1 health) | $273K |
| 23 | 19960 | Lincoln | — | — | 0 | $276K |
| 24 | 19969 | Nassau | — | — | — |
Recommended Buyer Guides for Sussex County
When no specific signal shows up in the records, the list falls back to general water testing and filtration guides rather than staying empty.
- Best Water Filters for Lead — Lead above EPA action level in 3 ZIP codes
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Sussex County, Delaware
Overview
Sussex County in Delaware covers 24 tracked ZIP records with an average Home Safety Score of A (86/100) across 19 scored records.
12 of 22 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 Delaware 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.