| Sheriff's office | County |
|---|---|
| Adair County Sheriff's Office | Adair |
| Adams County Sheriff's Office | Adams |
| Allamakee County Sheriff's Office | Allamakee |
| Appanoose County Sheriff's Office | Appanoose |
| Audubon County Sheriff's Office | Audubon |
| Benton County Sheriff's Office | Benton |
| Black Hawk County Sheriff's Office | Black Hawk |
| Boone County Sheriff's Office | Boone |
| Bremer County Sheriff's Office | Bremer |
| Buchanan County Sheriff's Office | Buchanan |
| Buena Vista County Sheriff's Office | Buena Vista |
| Butler County Sheriff's Office | Butler |
| Calhoun County Sheriff's Office | Calhoun |
| Carroll County Sheriff's Office | Carroll |
| Cass County Sheriff's Office | Cass |
| Cedar County Sheriff's Office | Cedar |
| Cerro Gordo County Sheriff's Office | Cerro Gordo |
| Cherokee County Sheriff's Office | Cherokee |
| Chickasaw County Sheriff's Office | Chickasaw |
| Clarke County Sheriff's Office | Clarke |
| Clay County Sheriff's Office | Clay |
| Clayton County Sheriff's Office | Clayton |
| Clinton County Sheriff's Office | Clinton |
| Crawford County Sheriff's Office | Crawford |
| Dallas County Sheriff's Office | Dallas |
| Davis County Sheriff's Office | Davis |
| Decatur County Sheriff's Office | Decatur |
| Delaware County Sheriff's Office | Delaware |
| Des Moines County Sheriff's Office | Des Moines |
| Dickinson County Sheriff's Office | Dickinson |
| Dubuque County Sheriff's Office | Dubuque |
| Emmet County Sheriff's Office | Emmet |
| Fayette County Sheriff's Office | Fayette |
| Floyd County Sheriff's Office | Floyd |
| Franklin County Sheriff's Office | Franklin |
| Fremont County Sheriff's Office | Fremont |
| Greene County Sheriff's Office | Greene |
| Grundy County Sheriff's Office | Grundy |
| Guthrie County Sheriff's Office | Guthrie |
| Hamilton County Sheriff's Office | Hamilton |
| Hancock County Sheriff's Office | Hancock |
| Hardin County Sheriff's Office | Hardin |
| Harrison County Sheriff's Office | Harrison |
| Henry County Sheriff's Office | Henry |
| Howard County Sheriff's Office | Howard |
| Humboldt County Sheriff's Office | Humboldt |
| Ida County Sheriff's Office | Ida |
| Iowa County Sheriff's Office | Iowa |
| Jackson County Sheriff's Office | Jackson |
| Jasper County Sheriff's Office | Jasper |
| Jefferson County Sheriff's Office | Jefferson |
| Johnson County Sheriff's Office | Johnson |
| Jones County Sheriff's Office | Jones |
| Keokuk County Sheriff's Office | Keokuk |
| Kossuth County Sheriff's Office | Kossuth |
| Lee County Sheriff's Office | Lee |
| Linn County Sheriff's Office | Linn |
| Louisa County Sheriff's Office | Louisa |
| Lucas County Sheriff's Office | Lucas |
| Lyon County Sheriff's Office | Lyon |
| Madison County Sheriff's Office | Madison |
| Mahaska County Sheriff's Office | Mahaska |
| Marion County Sheriff's Office | Marion |
| Marshall County Sheriff's Office | Marshall |
| Mills County Sheriff's Office | Mills |
| Mitchell County Sheriff's Office | Mitchell |
| Monona County Sheriff's Office | Monona |
| Monroe County Sheriff's Office | Monroe |
| Montgomery County Sheriff's Office | Montgomery |
| Muscatine County Sheriff's Office | Muscatine |
| O'Brien County Sheriff's Office | O'Brien |
| Osceola County Sheriff's Office | Osceola |
| Page County Sheriff's Office | Page |
| Palo Alto County Sheriff's Office | Palo Alto |
| Plymouth County Sheriff's Office | Plymouth |
| Pocahontas County Sheriff's Office | Pocahontas |
| Polk County Sheriff's Office | Polk |
| Pottawattamie County Sheriff's Office | Pottawattamie |
| Poweshiek County Sheriff's Office | Poweshiek |
| Ringgold County Sheriff's Office | Ringgold |
| Sac County Sheriff's Office | Sac |
| Scott County Sheriff's Office | Scott |
| Shelby County Sheriff's Office | Shelby |
| Sioux County Sheriff's Office | Sioux |
| Story County Sheriff's Office | Story |
| Tama County Sheriff's Office | Tama |
| Taylor County Sheriff's Office | Taylor |
| Union County Sheriff's Office | Union |
| Van Buren County Sheriff's Office | Van Buren |
| Wapello County Sheriff's Office | Wapello |
| Warren County Sheriff's Office | Warren |
| Washington County Sheriff's Office | Washington |
| Wayne County Sheriff's Office | Wayne |
| Webster County Sheriff's Office | Webster |
| Winnebago County Sheriff's Office | Winnebago |
| Winneshiek County Sheriff's Office | Winneshiek |
| Woodbury County Sheriff's Office | Woodbury |
| Worth County Sheriff's Office | Worth |
| Wright County Sheriff's Office | Wright |
Alphabetical.
Source: Federal Bureau of Investigation, Crime Data Explorer — law-enforcement agencies by state (API). Data captured September 30, 2026.