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Flood data for Ohio

Published NFIP policy and loss records, alongside a way to check the map.

Average annual premium and federal policy fee per policy unit

$1,117

As of 2026-08-31. A portfolio average, not a quote for a home.

Policies in force, including condo units
21,679
Cumulative recorded losses
28,412
Net dollars paid
$371,706,401

Cumulative losses in the HUDEX report through August 31, 2026. Loss counts include claims closed without payment. No annual series or first loss year is stated in this report.

Find a flood zone in Ohio.

U.S. addresses only. Include a ZIP for a more precise match.

County policy and loss records

Ohio NFIP records as of 2026-08-31
CountyPremium + fee / unitPolicy unitsRecorded losses
Franklin County$1,2191,4791,377
Hamilton County$1,4861,2341,952
Cuyahoga County$1,0531,2251,693
Montgomery County$9221,028346
Lucas County$8289891,198
Summit County$729969817
Ottawa County$1,0388031,482
Lorain County$593752583
Butler County$1,134682471
Licking County$1,150485397
Warren County$1,150485215
Erie County$1,3214761,089
Lake County$1,137469893
Washington County$1,5784591,337
Fairfield County$1,012451314
Hancock County$1,2924352,055
Greene County$824412153
Stark County$1,058412455
Trumbull County$979354400
Clark County$974330138
Clermont County$1,522328638
Lawrence County$1,235289474
Miami County$823281151
Medina County$615260293
Logan County$746252122
Scioto County$947248331
Athens County$2,305238431
Tuscarawas County$1,234227196
Delaware County$982219101
Portage County$70120187
Marion County$973194241
Belmont County$1,788191670
Allen County$1,098189255
Mahoning County$954170304
Gallia County$1,353161172
Wayne County$1,032155177
Wood County$1,085147199
Jefferson County$1,404146405
Putnam County$1,148143457
Hocking County$1,801139152
Knox County$1,50413467
Sandusky County$924132145
Richland County$1,605129323
Auglaize County$893127125
Guernsey County$1,319127395
Meigs County$1,298120280
Shelby County$1,10912095
Columbiana County$1,526115109
Ross County$1,421112124
Perry County$1,126104136
Brown County$1,239101151
Muskingum County$1,37397181
Pike County$1,73196101
Wyandot County$84394125
Geauga County$7319365
Preble County$9539346
Ashland County$1,7869157
Pickaway County$1,2688470
Holmes County$1,62683119
Darke County$1,2168237
Champaign County$9187738
Clinton County$9327416
Jackson County$1,23971196
Seneca County$1,44671122
Ashtabula County$1,04969147
Huron County$8326869
Mercer County$1,0516497
Union County$1,1276457
Coshocton County$1,4746359
Fulton County$8606331
Carroll County$1,0685928
Hardin County$8585916
Noble County$1,43057164
Adams County$1,15256152
Paulding County$1,0525445
Crawford County$1,13250151
Defiance County$2,15950330
Morgan County$1,49148190
Henry County$1,55847171
Van Wert County$7884636
Williams County$9144435
Fayette County$9184014
Madison County$7913923
Harrison County$1,1622991
Morrow County$1,1742910
Monroe County$1,94126107
Vinton County$1,1821016
Highland County$2,28652

State policy mix by rated zone group

These are insured policy units grouped by their rated zones, not a percentage of the state’s land or homes.

NFIP rated zone groups, 2026-08-31
Rated groupPolicy unitsShare of insured units
All A zones combined14,58167.3%
All V zones combined290.1%
Emergency program30.0%
Unknown or invalid rated zone880.4%
X, B and C zones combined6,97832.2%

Largest recorded loss years

Published net claim payments from 1978 through 2026, grouped by year of loss. Dollar amounts are nominal. The 2026-09-08 OpenFEMA claims release is a separate population from the policy workbook above.

2007$46,202,7212004$36,224,3442011$30,072,1411997$25,806,8112006$21,527,317
All published years and net payments
Ohio claims history
Year of lossNet payments
1978$2,277,601
1979$5,303,945
1980$2,740,125
1981$3,759,288
1982$5,953,229
1983$627,422
1984$584,915
1985$4,402,159
1986$525,550
1987$1,939,736
1988$220,661
1989$2,061,366
1990$4,098,846
1991$431,626
1992$1,537,176
1993$897,038
1994$6,176,287
1995$1,823,457
1996$4,072,705
1997$25,806,811
1998$14,672,522
1999$396,457
2000$2,047,197
2001$3,771,522
2002$1,429,808
2003$12,003,042
2004$36,224,344
2005$10,684,532
2006$21,527,317
2007$46,202,721
2008$10,536,179
2009$2,047,553
2010$1,962,931
2011$30,072,141
2012$2,977,142
2013$14,226,895
2014$12,714,716
2015$7,918,135
2016$697,705
2017$5,372,414
2018$10,899,811
2019$8,991,884
2020$13,500,874
2021$4,157,714
2022$2,435,980
2023$3,474,442
2024$5,097,706
2025$7,468,878
2026$3,443,861

Records without payment are included in counts. Missing county records are retained in national controls and are not allocated to counties. OpenFEMA NFIP redacted claims V3.

Data and methodology

Complete official HUDEX report, summed across its community rows within each geocoded county FIPS. Policy Count includes condominium units under master policies. Average premium is Total Premium + Federal Policy Fee divided by Policy Count; this is an aggregate per policy unit, not a property quote. Loss counts include losses closed without payment. Total Net Dollars Paid is cumulative in this report, including the source's adjustments. The report does not specify the first loss year or split losses by year, so a starting year and annual breakdown are not inferred. Unassigned county records are retained in state totals separately. No record sampling.

Official NFIP policy and loss geography workbook

Read the full methodology and coverage limits