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 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 | ||
| Martin | 085 | ||
| 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 | ||
| Livingston | 063 | ||
| 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 | ||
| Scott | 139 | ||
| 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 | ||
| Grayson | 181 | ||
| 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 | ||
| Spotsylvania | 177 | ||
| Stafford | 179 | ||
| 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 | ||
| Skagit | 057 | ||
| Snohomish | 061 | ||
| Spokane | 063 | ||
| Thurston | 067 | ||
| Whatcom | 073 | ||
| Yakima | 077 | ||
| West Virginia | 54 | Cabell | 011 |
| Kanawha | 039 | ||
| 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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