County codes: August, 2005 onward

Note that the variable COUNTY combines the state's FIPS code (STATEFIP) with the county's FIPS code shown below.

State name STATEFIP County name County FIPS
Alabama 01 Baldwin 003
Calhoun/Benton 015
Etowah 055
Jefferson 073
Lee 081
Madison 089
Mobile 097
Montgomery 101
Shelby 117
Tuscaloosa 125
Alaska 02 Anchorage 020
Arizona 04 Cochise 003
Coconino 005
Maricopa 013
Mohave 015
Pima 019
Pinal 021
Yavapai 025
Yuma 027
Arkansas 05 Benton 007
Pulaski 119
Saline 125
Washington 143
California 06 Alameda 001
Butte 007
Contra Costa 013
El Dorado 017
Fresno 019
Humboldt 023
Imperial 025
Kern 029
Kings 031
Los Angeles 037
Madera 039
Marin 041
Merced 047
Monterey 053
Napa 055
Orange 059
Placer 061
Riverside 065
Sacramento 067
San Bernardino 071
San Diego 073
San Francisco 075
San Joaquin 077
San Luis Obispo 079
San Mateo 081
Santa Barbara 083
Santa Clara 085
Santa Cruz 087
Shasta 089
Solano 095
Sonoma 097
Stanislaus 099
Tulare 107
Ventura 111
Yolo 113
Colorado 08 Adams 001
Arapahoe 005
Boulder 013
Denver 031
Douglas 035
El Paso 041
Jefferson 059
Larimer 069
Pueblo 101
Weld 123
Connecticut 09 Fairfield 001
Hartford 003
Litchfield 005
Middlesex 007
New Haven 009
New London 011
Tolland 013
Windham 015
Delaware 10 Kent 001
New Castle 003
Sussex 005
District of Columbia 11 District of Columbia 001
Florida 12 Alachua 001
Bay 005
Brevard 009
Broward 011
Charlotte 015
Citrus 017
Clay 019
Collier 021
Duval 031
Escambia 033
Hernando 053
Hillsborough 057
Indian River 061
Lake 069
Lee 071
Leon 073
Manatee 081
Marion 083
Miami-Dade 086
Okaloosa 091
Orange 095
Osceola 097
Palm Beach 099
Pasco 101
Pinellas 103
Polk 105
St. Johns 109
St Lucie 111
Santa Rosa 113
Sarasota 115
Seminole 117
Volusia 127
Georgia 13 Bartow/Cass 015
Bibb 021
Carroll 045
Chatham 051
Cherokee 057
Clarke 059
Clayton 063
Cobb 067
Columbia 073
Coweta 077
De Kalb 089
Douglas 097
Fayette 113
Forsyth 117
Fulton 121
Gwinnett 135
Hall 139
Henry 151
Houston 153
Lowndes 185
Muscogee 215
Paulding 223
Richmond 245
Whitfield 313
Hawaii 15 Hawaii 001
Honolulu 003
Idaho 16 Ada 001
Bonneville 019
Canyon 027
Kootenai 055
Illinois 17 Champaign 019
Cook 031
De Kalb 037
Du Page 043
Kane 089
Kankakee 091
Lake 097
LaSalle 099
McHenry 111
McLean 113
Macon 115
Madison 119
Peoria 143
Rock Island 161
St. Clair 163
Sangamon 167
Tazewell 179
Will 197
Winnebago 201
Indiana 18 Allen 003
Clark 019
Delaware 035
Elkhart 039
Hamilton 057
Hendricks 063
Johnson 081
Lake 089
LaPorte 091
Madison 113
Marion 097
Monroe 105
Porter 127
St. Joseph 141
Tippecanoe 157
Vanderburgh 163
Vigo 167
Iowa 19 Black Hawk 013
Johnson 103
Linn 113
Polk 153
Scott 163
Woodbury 193
Kansas 20 Douglas 045
Johnson 091
Sedgwick 173
Shawnee 177
Wyandotte 209
Kentucky 21 Boone 015
Fayette 067
Jefferson 111
Kenton 117
Warren 227
Louisiana 22 Ascension 005
Caddo 017
Calcasieu 019
East Baton Rouge 033
Jefferson 051
Lafayette 055
Orleans 071
Ouachita 073
Rapides 079
St. Tammany 103
Tangipahoa 105
Terrebonne 109
Maine 23 Androscoggin 001
Cumberland 005
Kennebec 011
Penobscot 019
York 031
Maryland 24 Anne Arundel 003
Baltimore 005
Carroll 013
Cecil 015
Charles 017
Frederick 021
Garrett 023
Harford 025
Howard 027
Kent 029
Montgomery 031
Prince George's 033
Queen Annes 035
Washington 043
Wicomico 045
Baltimore City 510
Massachusetts 25 Barnstable 001
Berkshire 003
Bristol 005
Essex 009
Hampden 013
Hampshire 015
Middlesex 017
Norfolk 021
Plymouth 023
Suffolk 025
Worcester 027
Michigan 26 Allegan 005
Bay 017
Berrien 021
Calhoun 025
Genesee 049
Ingham 065
Jackson 075
Kalamazoo 077
Kent 081
Livingston 093
Macomb 099
Monroe 115
Muskegon 121
Oakland 125
Ottawa 139
Saginaw 145
St. Clair 147
Washtenaw 161
Wayne 163
Minnesota 27 Anoka 003
Dakota 037
Hennepin 053
Olmsted 109
Ramsey 123
St Louis 137
Stearns 145
Washington 163
Wright 171
Mississippi 28 De Soto 033
Harrison 047
Hinds 049
Jackson 059
Rankin 121
Missouri 29 Boone 019
Franklin 071
Greene 077
Jackson 095
Jefferson 099
St Charles 183
St Louis 189
St Louis City 510
Montana 30 Yellowstone 111
Nebraska 31 Douglas 055
Lancaster 109
Sarpy 153
Nevada 32 Clark 003
Washoe 031
New Hampshire 33 Hillsborough 011
Merrimack 013
Rockingham 015
Strafford 017
New Jersey 34 Atlantic 001
Bergen 003
Burlington 005
Camden 007
Cape May 009
Cumberland 011
Essex 013
Gloucester 015
Hudson 017
Hunterdon 019
Mercer 021
Middlesex 023
Monmouth 025
Morris 027
Ocean 029
Passaic 031
Somerset 035
Sussex 037
Union 039
Warren 041
New Mexico 35 Bernalillo 001
Dona Ana 013
San Juan 045
Santa Fe 049
New York 36 Albany 001
Bronx 005
Broome 007
Chautauqua 013
Dutchess 027
Erie 029
Jefferson 045
Kings 047
Monroe 055
Nassau 059
New York 061
Niagara 063
Oneida 065
Onondaga 067
Ontario 069
Orange 071
Oswego 075
Queens 081
Rensselaer 083
Richmond 085
Rockland 087
St Lawrence 089
Saratoga 091
Schenectady 093
Suffolk 103
Tompkins 109
Ulster 111
Westchester 119
North Carolina 37 Alamance 001
Brunswick 019
Buncombe 021
Cabarrus 025
Catawba 035
Craven 049
Cumberland 051
Davidson 057
Durham 063
Forsyth 067
Gaston 071
Guilford 081
Harnett 085
Iredell 097
Johnston 101
Mecklenburg 119
New Hanover 129
Onslow 133
Orange 135
Pitt 147
Randolph 151
Robeson 155
Rowan 159
Union 179
Wake 183
Wayne 191
North Dakota 38 Cass 017
Ohio 39 Allen 003
Ashtabula 007
Butler 017
Clark 023
Clermont 025
Columbiana 029
Cuyahoga 035
Delaware 041
Fairfield 045
Franklin 049
Greene 057
Hamilton 061
Lake 085
Licking 089
Lorain 093
Lucas 095
Mahoning 099
Medina 103
Miami 109
Montgomery 113
Portage 133
Richland 139
Stark 151
Summit 153
Trumbull 155
Warren 165
Wayne 169
Wood 173
Oklahoma 40 Canadian 017
Cleveland 027
Comanche 031
Oklahoma 109
Tulsa 143
Oregon 41 Clackamas 005
Deschutes 017
Douglas 019
Jackson 029
Lane 039
Linn 043
Marion 047
Multnomah 051
Washington 067
Pennsylvania 42 Allegheny 003
Beaver 007
Berks 011
Blair 013
Bucks 017
Butler 019
Cambria 021
Centre 027
Chester 029
Dauphin 043
Delaware 045
Erie 049
Fayette 051
Franklin 055
Lackawanna 069
Lancaster 071
Lawrence 073
Lebanon 075
Lehigh 077
Luzerne 079
Lycoming 081
Mercer 085
Monroe 089
Montgomery 091
Northampton 095
Philadelphia 101
Schuylkill 107
Washington 125
Westmoreland 129
York 133
Rhode Island 44 Kent 003
Providence 007
Washington 009
South Carolina 45 Aiken 003
Anderson 007
Berkeley 015
Charleston 019
Florence 041
Greenville 045
Horry 051
Lexington 063
Richland 079
Spartanburg 083
Sumter 085
York 091
Tennessee 47 Blount 009
Davidson 037
Hamilton 065
Knox 093
Montgomery 125
Rutherford 149
Shelby 157
Sullivan 163
Sumner 165
Washington 179
Williamson 187
Wilson 189
Texas 48 Bell 027
Bexar 029
Brazoria 039
Brazos 041
Cameron 061
Collin 085
Comal 091
Dallas 113
Denton 121
Ector 135
Ellis 139
El Paso 141
Fort Bend 157
Galveston 167
Gregg 183
Guadalupe 187
Harris 201
Hays 209
Hidalgo 215
Jefferson 245
Johnson 251
Kaufman 257
Lubbock 303
McLennan 309
Midland 329
Montgomery 339
Nueces 355
Parker 367
Potter 375
Randall 381
Smith 423
Tarrant 439
Taylor 441
Tom Green 451
Travis 453
Webb 479
Wichita 485
Williamson 491
Utah 49 Davis 011
Salt Lake 035
Utah 049
Washington 053
Weber 057
Vermont 50 Chittenden 007
Virginia 51 Arlington/Alexandria 013
Chesterfield 041
Fairfax 059
Henrico 087
Loudoun 107
Prince William 153
Alexandria City 510
Chesapeake City 550
Hampton City 650
Newport News City 700
Norfolk City 710
Portsmouth City 740
Richmond City 760
Roanoke City 770
Virginia Beach City 810
Washington 53 Benton 005
Clark 011
King 033
Kitsap 035
Pierce 053
Snohomish 061
Spokane 063
Thurston 067
Whatcom 073
Yakima 077
West Virginia 54 Cabell 011
Wisconsin 55 Brown 009
Dane 025
Kenosha 059
La Crosse 063
Marathon 073
Milwaukee 079
Outagamie 087
Racine 101
Rock 105
Sheboygan 117
Waukesha 133
Winnebago 139

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