Códigos ZIP con mayor riesgo de inundación en Iowa

Out of 447 ZIP codes with data in Iowa, these are the highest-ranked areas for historical nfip claims. See also: National ZIP Codes with the Most Historical NFIP Claims | All Iowa Rankings

Statistic	Value
ZIP codes ranked	447
Highest value	781 claims
Median value	5 claims
State	Iowa

Top 100 Worst ZIP Codes

Rank	ZIP Code	City	State	Historical NFIP Claims	Safety Score
1	50613	Cedar Falls	IA	781 claims	67/100
2	51501	Council Bluffs	IA	581 claims	67/100
3	52802	Davenport	IA	580 claims	50/100
4	50677	Waverly	IA	548 claims	49/100
5	52405	Cedar Rapids	IA	529 claims	66/100
6	50265	West Des Moines	IA	413 claims	67/100
7	52767	Pleasant Valley	IA	413 claims	—
8	52722	Bettendorf	IA	393 claims	45/100
9	50312	Des Moines	IA	377 claims	67/100
10	50644	Independence	IA	332 claims	—
11	52601	Burlington	IA	324 claims	—
12	52404	Cedar Rapids	IA	306 claims	66/100
13	52761	Muscatine	IA	250 claims	50/100
14	50701	Waterloo	IA	243 claims	49/100
15	50616	Charles City	IA	242 claims	—
16	52803	Davenport	IA	206 claims	50/100
17	50401	Mason City	IA	202 claims	—
18	50317	Des Moines	IA	201 claims	67/100
19	50010	Ames	IA	191 claims	—
20	50660	New Hartford	IA	181 claims	—
21	51555	Missouri Valley	IA	173 claims	—
22	52040	Dyersville	IA	171 claims	—
23	51503	Council Bluffs	IA	159 claims	67/100
24	50651	La Porte City	IA	150 claims	66/100
25	51103	Sioux City	IA	149 claims	49/100
26	52401	Cedar Rapids	IA	146 claims	67/100
27	51012	Cherokee	IA	140 claims	—
28	52753	Le Claire	IA	133 claims	49/100
29	51640	Hamburg	IA	132 claims	—
30	52246	Iowa City	IA	130 claims	63/100
31	52806	Davenport	IA	126 claims	50/100
32	52240	Iowa City	IA	114 claims	57/100
33	52241	Coralville	IA	112 claims	67/100
34	52801	Davenport	IA	109 claims	50/100
35	50313	Des Moines	IA	108 claims	67/100
36	52215	Chelsea	IA	104 claims	—
37	52501	Ottumwa	IA	95 claims	—
38	50325	Clive	IA	93 claims	67/100
39	52349	Vinton	IA	90 claims	—
40	52728	Buffalo	IA	90 claims	—
41	52057	Manchester	IA	84 claims	—
42	51442	Denison	IA	82 claims	—
43	50501	Fort Dodge	IA	81 claims	64/100
44	50702	Waterloo	IA	81 claims	50/100
45	52730	Camanche	IA	78 claims	67/100
46	51301	Spencer	IA	76 claims	—
47	52043	Elkader	IA	75 claims	—
48	50626	Dunkerton	IA	74 claims	—
49	52807	Davenport	IA	74 claims	50/100
50	52324	Palo	IA	73 claims	66/100
51	52403	Cedar Rapids	IA	73 claims	67/100
52	51526	Crescent	IA	72 claims	—
53	51648	Percival	IA	70 claims	—
54	52627	Fort Madison	IA	67 claims	—
55	52732	Clinton	IA	64 claims	50/100
56	51246	Rock Rapids	IA	63 claims	—
57	50636	Greene	IA	61 claims	—
58	51561	Pacific Junction	IA	60 claims	—
59	50703	Waterloo	IA	59 claims	50/100
60	52214	Central City	IA	59 claims	—
61	52756	Long Grove	IA	59 claims	—
62	52052	Guttenberg	IA	56 claims	—
63	51104	Sioux City	IA	53 claims	49/100
64	52646	Oakville	IA	52 claims	—
65	52653	Wapello	IA	52 claims	—
66	52245	Iowa City	IA	49 claims	62/100
67	50316	Des Moines	IA	48 claims	67/100
68	50662	Oelwein	IA	46 claims	—
69	51566	Red Oak	IA	46 claims	66/100
70	52001	Dubuque	IA	46 claims	—
71	52632	Keokuk	IA	46 claims	—
72	50707	Evansdale	IA	43 claims	50/100
73	50647	Janesville	IA	42 claims	67/100
74	52402	Cedar Rapids	IA	40 claims	67/100
75	50548	Humboldt	IA	39 claims	—
76	52768	Princeton	IA	38 claims	—
77	50309	Des Moines	IA	37 claims	67/100
78	51532	Elliott	IA	37 claims	—
79	52310	Monticello	IA	37 claims	—
80	52746	Donahue	IA	37 claims	—
81	50315	Des Moines	IA	36 claims	67/100
82	51535	Griswold	IA	34 claims	—
83	50619	Clarksville	IA	32 claims	—
84	50670	Shell Rock	IA	31 claims	—
85	52358	West Branch	IA	30 claims	—
86	50158	Marshalltown	IA	29 claims	—
87	50322	Urbandale	IA	29 claims	63/100
88	50161	Maxwell	IA	28 claims	—
89	50595	Webster City	IA	28 claims	—
90	52039	Durango	IA	28 claims	—
91	50321	Des Moines	IA	27 claims	67/100
92	52301	Marengo	IA	27 claims	—
93	52320	Olin	IA	27 claims	—
94	52620	Bonaparte	IA	27 claims	67/100
95	52766	Nichols	IA	27 claims	—
96	50131	Johnston	IA	26 claims	66/100
97	52205	Anamosa	IA	26 claims	—
98	52339	Tama	IA	26 claims	—
99	52302	Marion	IA	25 claims	67/100
100	52720	Atalissa	IA	25 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.

Códigos ZIP con mayor riesgo de inundación en Iowa — 2026