2026 Rankings

Safest ZIP Codes in Delaware — Safety Scores 2026

Last updated: June 4, 2026

97 ZIP codes ranked by Safety Score #1: ZIP 19902 (Dover Afb, DE) — 99/100
Lead Violations Lowest Score Safest Flood Risk Energy Cost Radon PFAS Reliability EJ Index Homebuyer Risk CO & Gas Safest Gas Remediation Burden Unresolved Violations (by Utility) Water Equity (by Utility)

Out of 97 ZIP codes with data in Delaware, these are the highest-ranked areas for safety score. See also: National Safest ZIP Codes in America — Highest Safety Scores | All Delaware Rankings

Statistic Value
ZIP codes ranked 97
Highest value 99/100
Median value 83/100
State Delaware

Top 97 Worst ZIP Codes

Rank ZIP Code City State Safety Score Safety Score
1 19902 Dover Afb DE 99/100 99/100
2 19955 Kenton DE 98/100 98/100
3 19979 Viola DE 97/100 97/100
4 19933 Bridgeville DE 95/100 95/100
5 19940 Delmar DE 95/100 95/100
6 19953 Hartly DE 95/100 95/100
7 19964 Marydel DE 95/100 95/100
8 19936 Cheswold DE 94/100 94/100
9 19941 Ellendale DE 94/100 94/100
10 19961 Little Creek DE 94/100 94/100
11 19962 Magnolia DE 94/100 94/100
12 19967 Millville DE 94/100 94/100
13 19903 Dover DE 93/100 93/100
14 19905 Dover DE 93/100 93/100
15 19906 Dover DE 93/100 93/100
16 19947 Georgetown DE 93/100 93/100
17 19952 Harrington DE 93/100 93/100
18 19943 Felton DE 91/100 91/100
19 19960 Lincoln DE 91/100 91/100
20 19807 Wilmington DE 90/100 90/100
21 19945 Frankford DE 90/100 90/100
22 19950 Greenwood DE 89/100 89/100
23 19956 Laurel DE 89/100 89/100
24 19969 Nassau DE 88/100 88/100
25 19938 Clayton DE 87/100 87/100
26 19951 Harbeson DE 87/100 87/100
27 19977 Smyrna DE 87/100 87/100
28 19904 Dover DE 85/100 85/100
29 19946 Frederica DE 85/100 85/100
30 19963 Milford DE 85/100 85/100
31 19970 Ocean View DE 84/100 84/100
32 19973 Seaford DE 84/100 84/100
33 19721 New Castle DE 83/100 83/100
34 19730 Odessa DE 83/100 83/100
35 19731 Port Penn DE 83/100 83/100
36 19734 Townsend DE 83/100 83/100
37 19850 Wilmington DE 83/100 83/100
38 19880 Wilmington DE 83/100 83/100
39 19884 Wilmington DE 83/100 83/100
40 19885 Wilmington DE 83/100 83/100
41 19886 Wilmington DE 83/100 83/100
42 19887 Wilmington DE 83/100 83/100
43 19890 Wilmington DE 83/100 83/100
44 19891 Wilmington DE 83/100 83/100
45 19892 Wilmington DE 83/100 83/100
46 19893 Wilmington DE 83/100 83/100
47 19894 Wilmington DE 83/100 83/100
48 19895 Wilmington DE 83/100 83/100
49 19896 Wilmington DE 83/100 83/100
50 19897 Wilmington DE 83/100 83/100
51 19898 Wilmington DE 83/100 83/100
52 19899 Wilmington DE 83/100 83/100
53 19939 Dagsboro DE 83/100 83/100
54 19712 Newark DE 81/100 81/100
55 19714 Newark DE 81/100 81/100
56 19715 Newark DE 81/100 81/100
57 19716 Newark DE 81/100 81/100
58 19717 Newark DE 81/100 81/100
59 19718 Newark DE 81/100 81/100
60 19725 Newark DE 81/100 81/100
61 19726 Newark DE 81/100 81/100
62 19901 Dover DE 80/100 80/100
63 19966 Millsboro DE 80/100 80/100
64 19968 Milton DE 80/100 80/100
65 19944 Fenwick Island DE 79/100 79/100
66 19975 Selbyville DE 79/100 79/100
67 19706 Delaware City DE 78/100 78/100
68 19806 Wilmington DE 78/100 78/100
69 19809 Wilmington DE 78/100 78/100
70 19710 Montchanin DE 75/100 75/100
71 19930 Bethany Beach DE 75/100 75/100
72 19709 Middletown DE 73/100 73/100
73 19720 New Castle DE 73/100 73/100
74 19801 Wilmington DE 73/100 73/100
75 19802 Wilmington DE 73/100 73/100
76 19803 Wilmington DE 73/100 73/100
77 19805 Wilmington DE 73/100 73/100
78 19808 Wilmington DE 73/100 73/100
79 19810 Wilmington DE 73/100 73/100
80 19931 Bethel DE 73/100 73/100
81 19934 Camden Wyoming DE 73/100 73/100
82 19707 Hockessin DE 72/100 72/100
83 19702 Newark DE 71/100 71/100
84 19711 Newark DE 71/100 71/100
85 19713 Newark DE 71/100 71/100
86 19701 Bear DE 70/100 70/100
87 19804 Wilmington DE 68/100 68/100
88 19954 Houston DE 66/100 66/100
89 19980 Woodside DE 66/100 66/100
90 19735 Winterthur DE 60/100 60/100
91 19703 Claymont DE 55/100 55/100
92 19732 Rockland DE 55/100 55/100
93 19736 Yorklyn DE 55/100 55/100
94 19958 Lewes DE 55/100 55/100
95 19971 Rehoboth Bch DE 55/100 55/100
96 19708 Kirkwood DE 53/100 53/100
97 19733 Saint Georges DE 53/100 53/100

Methodology

The Home Safety Score (0-100) combines four data dimensions: EPA water violation history, lead exposure risk from infrastructure and sampling data, county-level EPA radon zone classification, and FEMA flood claim records. A score of 99-100 indicates minimal risk across all dimensions.

Data sources: EPA Safe Drinking Water Information System (SDWIS), FEMA National Flood Insurance Program, EPA radon zone maps, EIA electricity rates, and Consumer Confidence Reports. Last updated: 2026-06-04.

Frequently Asked Questions

What makes a ZIP code safe?

The safest ZIP codes have zero or very few EPA violations, lead levels well below the action level, low radon zone classification (Zone 3), and minimal flood insurance claims. They typically have newer infrastructure and well-managed water systems.

Explore More Rankings

How this ranking is calculated, data sources, and limitations: Rankings Methodology →

Related Rankings

Water Safety 2026 EPA violations and water quality scores Lead Risk 2026 Lead pipe infrastructure and EPA exceedances Infrastructure 2026 Aging pipes, system age and remediation costs
Disclaimer: Rankings are based on EPA, FEMA, and federal agency data. They reflect historical patterns and risk indicators, not necessarily current conditions. For the most current information, contact your local water utility or request a Consumer Confidence Report.

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