ZIP Codes with Highest Flood Risk in New Hampshire

Out of 200 ZIP codes with data in New Hampshire, these are the highest-ranked areas for historical nfip claims. See also: National ZIP Codes with the Most Historical NFIP Claims | All New Hampshire Rankings

Statistic	Value
ZIP codes ranked	200
Highest value	970 claims
Median value	6 claims
State	New Hampshire

Top 100 Worst ZIP Codes

Rank	ZIP Code	City	State	Historical NFIP Claims	Safety Score
1	03842	Hampton	NH	970 claims	64/100
2	03870	Rye	NH	223 claims	65/100
3	03431	Keene	NH	180 claims	83/100
4	03045	Goffstown	NH	157 claims	—
5	03275	Suncook	NH	139 claims	66/100
6	03079	Salem	NH	134 claims	65/100
7	03833	Exeter	NH	102 claims	67/100
8	03077	Raymond	NH	101 claims	83/100
9	03874	Seabrook	NH	91 claims	65/100
10	03871	Rye Beach	NH	76 claims	—
11	03862	North Hampton	NH	65 claims	66/100
12	03054	Merrimack	NH	61 claims	75/100
13	03245	Holderness	NH	59 claims	—
14	03818	Conway	NH	56 claims	—
15	03814	Center Ossipee	NH	54 claims	—
16	03031	Amherst	NH	53 claims	—
17	03458	Peterborough	NH	49 claims	82/100
18	03223	Campton	NH	48 claims	—
19	03044	Fremont	NH	47 claims	—
20	03890	West Ossipee	NH	47 claims	—
21	03857	Newmarket	NH	46 claims	83/100
22	03053	Londonderry	NH	41 claims	66/100
23	03801	Portsmouth	NH	39 claims	66/100
24	03042	Epping	NH	38 claims	—
25	03820	Dover	NH	38 claims	—
26	03038	Derry	NH	37 claims	66/100
27	03246	Laconia	NH	36 claims	82/100
28	03766	Lebanon	NH	36 claims	83/100
29	03244	Hillsborough	NH	34 claims	—
30	03812	Bartlett	NH	34 claims	—
31	03264	Plymouth	NH	32 claims	83/100
32	03743	Claremont	NH	31 claims	—
33	03076	Pelham	NH	29 claims	—
34	03581	Gorham	NH	29 claims	—
35	03060	Nashua	NH	28 claims	83/100
36	03062	Nashua	NH	27 claims	83/100
37	03864	Ossipee	NH	27 claims	—
38	03110	Bedford	NH	26 claims	67/100
39	03824	Durham	NH	25 claims	—
40	03102	Manchester	NH	24 claims	—
41	03106	Hooksett	NH	23 claims	67/100
42	03221	Bradford	NH	22 claims	—
43	03234	Epsom	NH	22 claims	—
44	03262	North Woodstock	NH	20 claims	—
45	03590	North Stratford	NH	19 claims	—
46	03470	Winchester	NH	18 claims	—
47	03585	Lisbon	NH	18 claims	—
48	03851	Milton	NH	18 claims	—
49	03222	Bristol	NH	17 claims	83/100
50	03840	Greenland	NH	17 claims	67/100
51	03037	Deerfield	NH	16 claims	—
52	03285	Thornton	NH	16 claims	—
53	03301	Concord	NH	16 claims	83/100
54	03854	New Castle	NH	16 claims	66/100
55	03860	North Conway	NH	16 claims	—
56	03104	Manchester	NH	15 claims	—
57	03276	Tilton	NH	15 claims	—
58	03303	Concord	NH	15 claims	83/100
59	03584	Lancaster	NH	15 claims	—
60	03290	Nottingham	NH	14 claims	—
61	03103	Manchester	NH	13 claims	67/100
62	03220	Belmont	NH	13 claims	—
63	03582	Groveton	NH	13 claims	—
64	03838	Glen	NH	13 claims	—
65	03867	Rochester	NH	13 claims	—
66	03051	Hudson	NH	12 claims	63/100
67	03773	Newport	NH	12 claims	—
68	03217	Ashland	NH	11 claims	—
69	03442	Bennington	NH	11 claims	—
70	03741	Canaan	NH	11 claims	—
71	03055	Milford	NH	10 claims	83/100
72	03064	Nashua	NH	10 claims	83/100
73	03602	Alstead	NH	10 claims	—
74	03109	Manchester	NH	9 claims	67/100
75	03235	Franklin	NH	9 claims	83/100
76	03256	New Hampton	NH	9 claims	—
77	03561	Littleton	NH	9 claims	83/100
78	03755	Hanover	NH	9 claims	83/100
79	03777	Orford	NH	9 claims	—
80	03070	New Boston	NH	8 claims	—
81	03086	Wilton	NH	8 claims	—
82	03101	Manchester	NH	8 claims	—
83	03281	Weare	NH	8 claims	—
84	03304	Bow	NH	8 claims	—
85	03456	Marlow	NH	8 claims	—
86	03570	Berlin	NH	8 claims	83/100
87	03580	Franconia	NH	8 claims	—
88	03848	Kingston	NH	8 claims	—
89	03251	Lincoln	NH	7 claims	—
90	03263	Pittsfield	NH	7 claims	—
91	03821	Dover	NH	7 claims	—
92	03827	East Kingston	NH	7 claims	—
93	03835	Farmington	NH	7 claims	—
94	03841	Hampstead	NH	7 claims	66/100
95	03033	Brookline	NH	6 claims	—
96	03087	Windham	NH	6 claims	66/100
97	03229	Contoocook	NH	6 claims	81/100
98	03252	Lochmere	NH	6 claims	—
99	03279	Warren	NH	6 claims	—
100	03448	Gilsum	NH	6 claims	—

Methodology

This ranking uses historical FEMA National Flood Insurance Program claim records. The entity is not a complete inventory of properties, flood events, uninsured losses, or current FEMA map designations. ZIPs without claim evidence are unknown and are not ranked as zero or low risk.

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: 2026-08-31.

Frequently Asked Questions

What does this ranking show?

It shows historical NFIP claim counts for ZIP records where FEMA claim evidence is available. It does not determine the current flood zone or risk of a specific property.

Where does the claim data come from?

The records come from FEMA National Flood Insurance Program claims. They do not include a complete inventory of uninsured losses or current property-map designations.

ZIP Codes with Highest Flood Risk in New Hampshire —...

Top 100 Worst ZIP Codes

Methodology

Frequently Asked Questions

What does this ranking show?

Where does the claim data come from?

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