Iowa county auditor's offices: all 99 counties
Find your county below for its auditor's office's address and phone, as the Iowa Secretary of State, County Auditor List lists them.
- Adair County
Auditor · 641-743-2546 - Adams County
Auditor · 641-322-3340 - Allamakee County
Auditor · 563-568-3522 - Appanoose County
Auditor · 641-856-6191 - Audubon County
Auditor · 712-563-2584 - Benton County
Auditor · 319-472-2365 - Black Hawk County
Auditor · 319-833-3007 - Boone County
Auditor · 515-433-0502 - Bremer County
Auditor · 319-352-0340 - Buchanan County
Auditor · 319-334-4109 - Buena Vista County
Auditor · 712-749-2542 - Butler County
Auditor · 319-346-6547 - Calhoun County
Auditor · 712-297-7741 - Carroll County
Auditor · 712-792-9802 - Cass County
Auditor · 712-243-4570 - Cedar County
Auditor · 563-886-3168 - Cerro Gordo County
Auditor · 641-421-3034 - Cherokee County
Auditor · 712-225-6704 - Chickasaw County
Auditor · 641-394-2100 - Clarke County
Auditor · 641-342-3315 - Clay County
Auditor · 712-262-1569 - Clayton County
Auditor · 563-245-1106 - Clinton County
Auditor · 563-244-0568 - Crawford County
Auditor · 712-263-3045 - Dallas County
Auditor · 515-993-6914 - Davis County
Auditor · 641-664-2101 - Decatur County
Auditor · 641-446-4323 - Delaware County
Auditor · 563-927-4701 - Des Moines County
Auditor · 319-753-8232 - Dickinson County
Auditor · 712-336-3356 - Dubuque County
Auditor · 563-589-4457 - Emmet County
Auditor · 712-362-4261 - Fayette County
Auditor · 563-422-3497 - Floyd County
Auditor · 641-257-6131 - Franklin County
Auditor · 641-456-5622 - Fremont County
Auditor · 712-374-2031 - Greene County
Auditor · 515-386-5680 - Grundy County
Auditor · 319-824-3122 - Guthrie County
Auditor · 641-747-3619 - Hamilton County
Auditor · 515-832-9510 - Hancock County
Auditor · 641-923-3163 - Hardin County
Auditor · 641-939-8109 - Harrison County
Auditor · 712-644-2401 - Henry County
Auditor · 319-385-0756 - Howard County
Auditor · 563-547-9203 - Humboldt County
Auditor · 515-332-1571 - Ida County
Auditor · 712-364-2626 - Iowa County
Auditor · 319-642-3923 - Jackson County
Auditor · 563-652-3144 - Jasper County
Auditor · 641-792-7016 - Jefferson County
Auditor · 641-472-2840 - Johnson County
Auditor · 319-356-6004 - Jones County
Auditor · 319-462-2282 - Keokuk County
Auditor · 641-622-2320 - Kossuth County
Auditor · 515-295-2718 - Lee County
Auditor · 319-372-3705 - Linn County
Auditor · 319-892-5300 - Louisa County
Auditor · 319-523-3371 - Lucas County
Auditor · 641-774-4512 - Lyon County
Auditor · 712-472-8517 - Madison County
Auditor · 515-462-3914 - Mahaska County
Auditor · 641-673-7148 - Marion County
Auditor · 641-828-2217 - Marshall County
Auditor · 641-754-6302 - Mills County
Auditor · 712-527-3146 - Mitchell County
Auditor · 641-832-3946 - Monona County
Auditor · 712-433-2191 - Monroe County
Auditor · 641-932-2865 - Montgomery County
Auditor · 712-623-5127 - Muscatine County
Auditor · 563-263-5821 - O'Brien County
Auditor · 712-957-3225 - Osceola County
Auditor · 712-754-2241 - Page County
Auditor · 712-542-3219 - Palo Alto County
Auditor · 712-852-2924 - Plymouth County
Auditor · 712-546-6100 - Pocahontas County
Auditor · 712-335-3361 - Polk County
Auditor · 515-286-3247 - Pottawattamie County
Auditor · 712-328-5700 - Poweshiek County
Auditor · 641-623-5443 - Ringgold County
Auditor · 641-464-3239 - Sac County
Auditor · 712-662-7310 - Scott County
Auditor · 563-326-8631 - Shelby County
Auditor · 712-755-3831 - Sioux County
Auditor · 712-737-2216 - Story County
Auditor · 515-382-7210 - Tama County
Auditor · 641-484-2740 - Taylor County
Auditor · 712-523-2280 - Union County
Auditor · 641-782-1701 - Van Buren County
Auditor · 319-293-3129 - Wapello County
Auditor · 641-683-0020 - Warren County
Auditor · 515-690-9180 - Washington County
Auditor · 319-653-7715 - Wayne County
Auditor · 641-872-2242 - Webster County
Auditor · 515-573-7175 - Winnebago County
Auditor · 641-585-3412 - Winneshiek County
Auditor · 563-382-5085 - Woodbury County
Auditor · 712-279-6465 - Worth County
Auditor · 641-324-2316 - Wright County
Auditor · 515-532-2771
Iowa voting dates
| Date | What |
|---|---|
| Wed, Oct 14, 8:00 AM | Early voting opens In-person absentee voting starts Oct 14 at your county auditor's office. Hours vary by county. source |
| Mon, Oct 19, 5:00 PM | Pre-register to vote Pre-registration closes at 5 p.m. After that, register when you vote, with ID and proof of residence. source |
| Mon, Oct 19, 5:00 PM | Request an absentee ballot by mail Your county auditor must receive your request by 5 p.m. source |
| Mon, Nov 2, 4:30 PM | Early voting ends Last day for in-person early voting. Check your county auditor's hours. source |
| Tue, Nov 3, 8:00 PM | Election Day: polls open 7:00 a.m. to 8:00 p.m. Find your polling place through your county auditor. source |
| Tue, Nov 3, 8:00 PM | Register and vote on Election Day Register at your polling place with ID and proof of residence. Polls are open 7 a.m.–8 p.m. source |
| Tue, Nov 3, 8:00 PM | Return your absentee ballot Your county auditor must receive it by 8 p.m. on Election Day. source |
More for Iowa voters
- Who is on the Iowa ballot: every candidate on the state's official list, race by race.
- Iowa voting deadlines 2026: registration, mail ballots, early voting and Election Day.
- Every Iowa county's office.
- Early voting dates in every state.
Office details are from the Iowa Secretary of State, County Auditor List (checked October 14, 2026). Dates are Iowa's, each linked to its source. Call the office before you go.