This is a list of U.S. county names that are used in two or more states. Ranked are the 60 most common county names, which are shared by counties in seven or more states each, accounting for 726 of the 3,140 counties and county-equivalents in the United States.
| Number | Name of county | Count[1] | Most commonly named after |
|---|
| 1 | Washington County | 31 | George Washington |
| 2 | Jefferson County | 26 | Thomas Jefferson |
| 3 | Franklin County | 25 | Benjamin Franklin |
| 4 | Jackson County | 24 | Andrew Jackson |
| 4 | Lincoln County | 24 | Abraham Lincoln or Benjamin Lincoln |
| 6 | Madison County | 20 | James Madison |
| 7 | Clay County | 18 | Henry Clay |
| 7 | Montgomery County | 18 | Richard Montgomery |
| 7 | Union County | 18 | the union of the states or union of parts of adjoining counties |
| 10 | Marion County | 17 | Francis Marion |
| 10 | Monroe County | 17 | James Monroe |
| 12 | Wayne County | 16 | Anthony Wayne |
| 13 | Grant County | 15 | Ulysses S. Grant |
| 14 | Greene County | 14 | Nathanael Greene |
| 14 | Warren County | 14 | Joseph Warren |
| 16 | Carroll County | 13 | Charles Carroll of Carrollton |
| 17 | Adams County | 12 | John Adams or John Quincy Adams |
| 17 | Clark County | 12 | William Clark or George Rogers Clark |
| 17 | Douglas County | 12 | Stephen A. Douglas |
| 17 | Johnson County | 12 | Richard M. Johnson |
| 17 | Lake County | 12 | geographical feature |
| 17 | Lee County | 12 | Robert E. Lee |
| 17 | Marshall County | 12 | John Marshall |
| 17 | Polk County | 12 | James K. Polk |
| 25 | Calhoun County | 11 | John C. Calhoun |
| 25 | Crawford County | 11 | William H. Crawford or Col. William Crawford |
| 25 | Fayette County | 11 | Marquis de la Fayette |
| 25 | Lawrence County | 11 | James Lawrence |
| 25 | Morgan County | 11 | Daniel Morgan |
| 25 | Scott County | 11 | Winfield Scott or Charles Scott |
| 31 | Hamilton County | 10 | Alexander Hamilton |
| 31 | Hancock County | 10 | John Hancock |
| 31 | Henry County | 10 | Patrick Henry (except Iowa; named for Col. Henry Dodge) |
| 31 | Logan County | 10 | John A. Logan or Benjamin Logan |
| 31 | Perry County | 10 | Oliver Hazard Perry |
| 31 | Pike County | 10 | Zebulon Pike |
| 37 | Benton County | 9 | Thomas Hart Benton |
| 37 | Brown County | 9 | Jacob Brown |
| 37 | Cass County | 9 | Lewis Cass |
| 37 | Clinton County | 9 | George Clinton or DeWitt Clinton |
| 37 | Knox County | 9 | Henry Knox |
| 37 | Putnam County | 9 | Israel Putnam |
| 37 | Shelby County | 9 | Isaac Shelby |
| 44 | Boone County | 8 | Daniel Boone |
| 44 | Butler County | 8 | William O. Butler or Richard Butler |
| 44 | Cherokee County | 8 | Cherokee tribe |
| 44 | Columbia County | 8 | Columbia (poetic name for America) |
| 44 | Cumberland County | 8 | Prince William, Duke of Cumberland |
| 44 | Fulton County | 8 | Robert Fulton |
| 44 | Harrison County | 8 | William Henry Harrison |
| 44 | Jasper County | 8 | William Jasper |
| 44 | Mercer County | 8 | Hugh Mercer |
| 44 | Orange County | 8 | the fruit or Prince of Orange |
| 44 | Randolph County | 8 | Edmund Randolph or John Randolph of Roanoke |
| 44 | Webster County | 8 | Daniel Webster |
| 56 | Howard County | 7 | Tilghman Howard, John Eager Howard, or Oliver Otis Howard |
| 56 | Lewis County | 7 | Meriwether Lewis |
| 56 | Pulaski County | 7 | Kazimierz Pułaski |
| 56 | Richland County | 7 | fertile soil |
| 56 | Taylor County | 7 | Zachary Taylor |
| 61 | Custer County | 6 | George Armstrong Custer |
| 61 | DeKalb County | 6 | Johann de Kalb |
| 61 | Delaware County | 6 | Delaware (tribe) (3) |
| 61 | Lafayette County | 6 | Marquis de Lafayette |
| 61 | Floyd County | 6 |
| 61 | Garfield County | 6 | James A. Garfield |
| 61 | Hardin County | 6 |
| 61 | Jones County | 6 |
| 61 | Livingston County | 6 | Edward Livingston (4) |
| 61 | Macon County | 6 | Nathaniel Macon |
| 61 | Martin County | 6 |
| 61 | Mason County | 6 | George Mason (3) |
| 61 | Newton County | 6 | Sgt. John Newton (4) |
| 61 | Sullivan County | 6 | John Sullivan |
| 61 | Allen County | 5 |
| 61 | Anderson County | 5 |
| 61 | Caldwell County | 5 |
| 61 | Campbell County | 5 |
| 61 | Carter County | 5 |
| 61 | Clarke County | 5 |
| 61 | Dallas County | 5 |
| 61 | Decatur County | 5 | Stephen Decatur |
| 61 | Essex County | 5 | County of Essex in England |
| 61 | Henderson County | 5 |
| 61 | Houston County | 5 |
| 61 | Kent County | 5 | County of Kent in England |
| 61 | Lyon County | 5 |
| 61 | Mitchell County | 5 |
| 61 | Pierce County | 5 | Franklin Pierce |
| 61 | Saline County | 5 |
| 61 | Sheridan County | 5 |
| 61 | White County | 5 |
| 61 | York County | 5 |
| 61 | Adair County | 4 | John Adair |
| 61 | Blaine County | 4 | James Blaine |
| 61 | Camden County | 4 | Charles Pratt, 1st Earl Camden |
| 61 | Carbon County | 4 |
| 61 | Dawson County | 4 |
| 61 | Dodge County | 4 |
| 61 | Fremont County | 4 | John C. Frémont |
| 61 | Grundy County | 4 |
| 61 | Iron County | 4 | Iron ore deposits |
| 61 | Lamar County | 4 |
| 61 | Lancaster County | 4 |
| 61 | Liberty County | 4 |
| 61 | Linn County | 4 |
| 61 | Middlesex County | 4 | Historic county of Middlesex in England |
| 61 | Mineral County | 4 |
| 61 | Ottawa County | 4 | Ottawa Indians |
| 61 | Phillips County | 4 |
| 61 | Richmond County | 4 |
| 61 | Russell County | 4 |
| 61 | San Juan County | 4 |
| 61 | Sherman County | 4 |
| 61 | Smith County | 4 |
| 61 | Somerset County | 4 | County of Somerset in England |
| 61 | St. Clair County | 4 |
| 61 | Sumter County | 4 |
| 61 | Van Buren County | 4 |
| 61 | Wheeler County | 4 |
| 61 | Wilson County | 4 |
| 61 | Wood County | 4 |
| 61 | Baker County | 3 |
| 61 | Beaver County | 3 |
| 61 | Bedford County | 3 |
| 61 | Buchanan County | 3 |
| 61 | Buffalo County | 3 |
| 61 | Burke County | 3 |
| 61 | Butte County | 3[2] |
| 61 | Cameron County | 3 |
| 61 | Cedar County | 3 |
| 61 | Chester County | 3 |
| 61 | Cheyenne County | 3 |
| 61 | Chippewa County | 3 |
| 61 | Choctaw County | 3 |
| 61 | Christian County | 3 |
| 61 | Claiborne County | 3 |
| 61 | Cleveland County | 3 |
| 61 | Coffee County | 3 | John Coffee |
| 61 | Comanche County | 3 |
| 61 | Cook County | 3 |
| 61 | Daviess County | 3 | Joseph Hamilton Daveiss |
| 61 | Delta County | 3 |
| 61 | Dickinson County | 3 |
| 61 | Edwards County | 3 |
| 61 | Ellis County | 3 |
| 61 | Erie County | 3 | Lake Erie, Erie Indians |
| 61 | Fairfield County | 3 |
| 61 | Gallatin County | 3 |
| 61 | Graham County | 3 |
| 61 | Grayson County | 3 |
| 61 | Hall County | 3 |
| 61 | Haskell County | 3 |
| 61 | Holmes County | 3 |
| 61 | Humboldt County | 3 | Alexander von Humboldt |
| 61 | Kiowa County | 3 | Kiowa Indians |
| 61 | La Salle County (or LaSalle) | 3 | René-Robert Cavelier, Sieur de La Salle |
| 61 | Lauderdale County | 3 |
| 61 | Lowndes County | 3 |
| 61 | McIntosh County | 3 |
| 61 | McLean County | 3 |
| 61 | McPherson County | 3 |
| 61 | Meade County | 3 |
| 61 | Miami County | 3 | Miami Indians |
| 61 | Miller County | 3 |
| 61 | Moore County | 3 |
| 61 | Morris County | 3 |
| 61 | Murray County | 3 |
| 61 | Nelson County | 3 |
| 61 | Noble County | 3 |
| 61 | Northampton County | 3 |
| 61 | Ohio County | 3 | Ohio River |
| 61 | Oneida County | 3 |
| 61 | Orleans County | 3 |
| 61 | Osage County | 3 |
| 61 | Osceola County | 3 |
| 61 | Park County | 3 |
| 61 | Pawnee County | 3 |
| 61 | Pickens County | 3 |
| 61 | Platte County | 3 |
| 61 | Pope County | 3 |
| 61 | Pottawatomie County | 3 |
| 61 | Potter County | 3 |
| 61 | Robertson County | 3 |
| 61 | Rock County | 3 |
| 61 | Rockingham County | 3 |
| 61 | Schuyler County | 3 |
| 61 | Seminole County | 3 |
| 61 | Sevier County | 3 |
| 61 | Sioux County | 3 |
| 61 | Stark County | 3 |
| 61 | Stephens County | 3 |
| 61 | Stevens County | 3 |
| 61 | Stone County | 3 |
| 61 | Summit County | 3 |
| 61 | Sussex County | 3 | County of Sussex in England |
| 61 | Teton County | 3 |
| 61 | Thomas County | 3 |
| 61 | Todd County | 3 |
| 61 | Valley County | 3 |
| 61 | Vermilion or Vermillion County | 3 |
| 61 | Vernon County | 3 |
| 61 | Walker County | 3 |
| 61 | Williamson County | 3 |
| 61 | Winnebago County | 3 |
| 61 | Worth County | 3 |
| 61 | Wright County | 3 |
| 61 | Wyoming County | 3 |
| 61 | Albany County | 2 |
| 61 | Alexander County | 2 |
| 61 | Allegany County | 2 |
| 61 | Alleghany County | 2 |
| 61 | Armstrong County | 2 |
| 61 | Ashland County | 2 |
| 61 | Atchison County | 2 |
| 61 | Baldwin County | 2 |
| 61 | Barry County | 2 |
| 61 | Barton County | 2 |
| 61 | Bath County | 2 |
| 61 | Barbour County | 2 |
| 61 | Bay County | 2 |
| 61 | Beaufort County | 2 |
| 61 | Bell County | 2 |
| 61 | Berkeley County | 2 |
| 61 | Berrien County | 2 |
| 61 | Bibb County | 2 |
| 61 | Big Horn County | 2 |
| 61 | Blount County | 2 |
| 61 | Bourbon County | 2 |
| 61 | Boyd County | 2 |
| 61 | Bradford County | 2 |
| 61 | Bradley County | 2 |
| 61 | Bristol County | 2 |
| 61 | Brooks County | 2 |
| 61 | Brunswick County | 2 |
| 61 | Bryan County | 2 |
| 61 | Caddo County | 2 |
| 61 | Caroline County | 2 |
| 61 | Chambers County | 2 |
| 61 | Champaign County | 2 |
| 61 | Charlotte County | 2 |
| 61 | Chase County | 2 |
| 61 | Chatham County | 2 |
| 61 | Chautauqua County | 2 |
| 61 | Chesterfield County | 2 |
| 61 | Chickasaw County | 2 |
| 61 | Clayton County | 2 |
| 61 | Clearwater County | 2 |
| 61 | Cleburne County | 2 |
| 61 | Coos County | 2 |
| 61 | Covington County | 2 |
| 61 | Craig County | 2 |
| 61 | Crittenden County | 2 |
| 61 | Crockett County | 2 |
| 61 | Crook County | 2 |
| 61 | Curry County | 2 |
| 61 | Dade County | 2[3] |
| 61 | Dakota County | 2 |
| 61 | Davidson County | 2 |
| 61 | Davis County | 2 |
|
| 61 | De Soto County | 2 |
| 61 | Deuel County | 2 |
| 61 | Dewey County | 2 |
| 61 | Dorchester County | 2 |
| 61 | Dunn County | 2 |
| 61 | Duval County | 2 |
| 61 | Eddy County | 2 |
| 61 | Effingham County | 2 |
| 61 | El Paso County | 2 |
| 61 | Elbert County | 2 |
| 61 | Elk County | 2 |
| 61 | Elmore County | 2 |
| 61 | Emmet County | 2 |
| 61 | Escambia County | 2 |
| 61 | Fannin County | 2 |
| 61 | Fillmore County | 2 |
| 61 | Florence County | 2 |
| 61 | Ford County | 2 |
| 61 | Forest County | 2 |
| 61 | Forsyth County | 2 |
| 61 | Frederick County | 2 |
| 61 | Genesee County | 2 |
| 61 | Gibson County | 2 |
| 61 | Giles County | 2 |
| 61 | Gilmer County | 2 |
| 61 | Gloucester County | 2 |
| 61 | Golden Valley County | 2 |
| 61 | Grady County | 2 |
| 61 | Grand County | 2 |
| 61 | Gray County | 2 |
| 61 | Greeley County | 2 |
| 61 | Greenwood County | 2 |
| 61 | Green County | 2 | Nathanael Greene |
| 61 | Guadalupe County | 2 |
| 61 | Hale County | 2 |
| 61 | Halifax County | 2 |
| 61 | Hampshire County | 2 | County of Hampshire in England |
| 61 | Hardeman County | 2 |
| 61 | Harding County | 2 |
| 61 | Harlan County | 2 |
| 61 | Harper County | 2 |
| 61 | Harris County | 2 |
| 61 | Hart County | 2 |
| 61 | Haywood County | 2 |
| 61 | Hickman County | 2 |
| 61 | Hidalgo County | 2 |
| 61 | Highland County | 2 |
| 61 | Hill County | 2 |
| 61 | Hillsborough County | 2 |
| 61 | Holt County | 2 |
| 61 | Hopkins County | 2 |
| 61 | Hughes County | 2 |
| 61 | Humphreys County | 2 |
| 61 | Huron County | 2 |
| 61 | Humphreys County | 2 |
| 61 | Hutchinson County | 2 |
| 61 | Hyde County | 2 |
| 61 | Iowa County | 2 |
| 61 | Jeff Davis County | 2 | Jefferson Davis |
| 61 | Juneau County | 2 |
| 61 | Kane County | 2 |
| 61 | Kendall County | 2 |
| 61 | King County | 2 |
| 61 | Kings County | 2 |
| 61 | Lane County | 2 |
| 61 | Laurens County | 2 |
| 61 | Leon County | 2 |
| 61 | Limestone County | 2 |
| 61 | Louisa County | 2 |
| 61 | Lucas County | 2 |
| 61 | Marquette County | 2 |
| 61 | McDowell County | 2 |
| 61 | McHenry County | 2 |
| 61 | Mecklenburg County | 2 | Charlotte of Mecklenburg-Strelitz |
| 61 | Medina County | 2 |
| 61 | Meigs County | 2 |
| 61 | Menard County | 2 |
| 61 | Menominee County | 2 |
| 61 | Midland County | 2 |
| 61 | Mills County | 2 |
| 61 | Mississippi County | 2 |
| 61 | Morrow County | 2 |
| 61 | Morton County | 2 |
| 61 | Nassau County | 2 |
| 61 | Nemaha County | 2 |
| 61 | Nevada County | 2 |
| 61 | Nicholas County | 2 |
| 61 | Northumberland County | 2 |
| 61 | Oconee County | 2 |
| 61 | Oldham County | 2 |
| 61 | Otero County | 2 |
| 61 | Otsego County | 2 |
| 61 | Ouachita County | 2 |
| 61 | Owen County | 2 |
| 61 | Page County | 2 |
| 61 | Panola County | 2 |
| 61 | Pendleton County | 2 |
| 61 | Pennington County | 2 |
| 61 | Perkins County | 2 |
| 61 | Phelps County | 2 |
| 61 | Plymouth County | 2 |
| 61 | Pocahontas County | 2 |
| 61 | Pontotoc County | 2 |
| 61 | Portage County | 2 |
| 61 | Powell County | 2 |
| 61 | Prairie County | 2 |
| 61 | Quitman County | 2 |
| 61 | Ramsey County | 2 |
| 61 | Red River County | 2 |
| 61 | Renville County | 2 |
| 61 | Rice County | 2 |
| 61 | Roane County | 2 |
| 61 | Roberts County | 2 |
| 61 | Roosevelt County | 2 |
| 61 | Rowan County | 2 |
| 61 | Rush County | 2 |
| 61 | Rusk County | 2 |
| 61 | Rutherford County | 2 |
| 61 | Sabine County | 2 |
| 61 | San Miguel County | 2 |
| 61 | Santa Cruz County | 2 |
| 61 | Scotland County | 2 |
| 61 | Sedgwick County | 2 |
| 61 | Seneca County | 2 |
| 61 | Seward County | 2 |
| 61 | Shannon County | 2 |
| 61 | Sierra County | 2 |
| 61 | Simpson County | 2 |
| 61 | Spencer County | 2 |
| 61 | St. Charles County | 2 |
| 61 | St. Joseph County | 2 |
| 61 | St. Louis County | 2 |
| 61 | Stafford County | 2 |
| 61 | Stanton County | 2 |
| 61 | Steuben County | 2 |
| 61 | Stewart County | 2 |
| 61 | Suffolk County | 2 | County of Suffolk in England |
| 61 | Sumner County | 2 |
| 61 | Surry County | 2 |
| 61 | Talbot County | 2 |
| 61 | Tazewell County | 2 |
| 61 | Terrell County | 2 |
| 61 | Texas County | 2 |
| 61 | Thurston County | 2 |
| 61 | Tioga County | 2 |
| 61 | Tipton County | 2 |
| 61 | Trinity County | 2 |
| 61 | Turner County | 2 |
| 61 | Tyler County | 2 |
| 61 | Upshur County | 2 |
| 61 | Wabash County | 2 |
| 61 | Walton County | 2 |
| 61 | Walworth County | 2 |
| 61 | Ward County | 2 |
| 61 | Wells County | 2 |
| 61 | Westmoreland County | 2 |
| 61 | Whitley County | 2 |
| 61 | Wichita County | 2 |
| 61 | Wilcox County | 2 |
| 61 | Wilkes County | 2 |
| 61 | Wilkinson County | 2 |
| 61 | Williams County | 2 |
| 61 | Windham County | 2 |
| 61 | Winston County | 2 |
| 61 | Wise County | 2 |
| 61 | Woodford County | 2 |
| 61 | Worcester County | 2 |
| 61 | Yuma County | 2 |
1. ^Count includes parishes in Louisiana
2. ^4 including Box Butte County
3. ^3 including Miami-Dade County, Florida