OpenFEMA data as of Oct 29, 2026 5,286 declarations · 3,266 counties · 59 states & territories Advertise
State Disaster RecordUS declarations since 1953
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88 counties

Ohio: declarations by county

Counties, parishes, boroughs and county-equivalents of Ohio named in at least one federal declaration. Statewide declarations are counted on the state page, not here.

88 counties
CountyDeclarationsMajor disastersMost common hazardLatestPopulation 2024
Belmont County2217Severe Storm202064,692
Jefferson County2217Severe Storm202063,900
Monroe County2218Severe Storm202013,051
Franklin County2115Severe Storm20261,356,303
Licking County2116Severe Storm2026184,898
Perry County2015Severe Storm202635,682
Washington County2015Severe Storm202058,332
Adams County1915Severe Storm202027,671
Athens County1914Severe Storm202063,218
Brown County1913Severe Storm202044,292
Clermont County1913Severe Storm2026214,123
Cuyahoga County1914Severe Storm20201,240,594
Hamilton County1914Severe Storm2026837,359
Lorain County1913Severe Storm2020322,030
Columbiana County1813Severe Storm202099,823
Harrison County1813Severe Storm202014,042
Hocking County1814Severe Storm202027,429
Meigs County1814Severe Storm202021,491
Morgan County1814Severe Storm202613,532
Muskingum County1813Severe Storm202686,582
Noble County1813Severe Storm202014,269
Richland County1811Severe Storm2024124,853
Scioto County1814Severe Storm202071,798
Gallia County1713Severe Storm202028,886
Guernsey County1713Severe Storm202038,219
Pike County1713Severe Storm202027,065
Coshocton County1611Severe Storm202037,003
Greene County169Severe Storm2020172,347
Jackson County1612Severe Storm202032,723
Lawrence County1612Severe Storm202055,829
Lucas County1610Severe Storm2020426,291
Morrow County1610Severe Storm202035,927
Ross County1611Severe Storm202076,046
Vinton County1612Severe Storm202012,545
Ashtabula County158Severe Storm202096,906
Crawford County158Severe Storm202441,626
Delaware County159Severe Storm2024237,966
Lake County159Flood2020232,360
Miami County159Severe Storm2024111,950
Pickaway County1510Severe Storm202062,158
Shelby County159Severe Storm202047,952
Butler County149Severe Storm2020399,542
Erie County148Severe Storm202073,841
Hancock County149Severe Storm202475,016
Huron County146Severe Storm202058,168
Logan County149Severe Storm202446,085
Medina County149Severe Storm2020184,625
Mercer County1410Severe Storm202442,648
Summit County149Severe Storm2020538,370
Auglaize County139Severe Storm202445,922
Darke County137Severe Storm202451,462
Fairfield County138Severe Storm2020167,762
Geauga County137Severe Storm202095,362
Knox County137Severe Storm202063,848
Montgomery County138Severe Storm2020537,443
Ottawa County139Severe Storm202039,692
Paulding County138Severe Storm202018,755
Putnam County138Severe Storm202034,206
Sandusky County138Severe Storm202058,866
Seneca County137Severe Storm202054,730
Tuscarawas County138Severe Storm202092,048
Union County137Severe Storm202471,721
Van Wert County138Severe Storm202028,887
Warren County138Severe Storm2020256,059
Ashland County126Severe Storm202052,420
Hardin County125Severe Storm202030,402
Highland County127Severe Storm202043,785
Holmes County127Severe Storm202044,668
Madison County126Severe Storm202045,531
Mahoning County128Severe Storm2020225,786
Marion County125Severe Storm202064,976
Portage County126Severe Storm2020163,839
Stark County127Severe Storm2020374,091
Trumbull County127Severe Storm2020200,300
Wyandot County126Severe Storm202021,394
Carroll County116Severe Storm202026,460
Champaign County116Severe Storm202038,907
Clark County116Severe Storm2020134,985
Fayette County116Severe Storm202028,782
Preble County115Severe Storm202040,801
Allen County106Severe Storm2020100,866
Clinton County104Severe Storm202042,019
Henry County105Severe Storm202027,536
Wayne County105Severe Storm2020116,632
Wood County105Severe Storm2020133,077
Fulton County95Severe Storm202042,028
Defiance County83Biological202038,644
Williams County84Biological202036,554