South Dakota county auditor's offices: all 66 counties
Find your county below for its auditor's office's address and phone, as the South Dakota Secretary of State, County Auditors lists them.
- Aurora County
Auditor · 605-942-7752 - Beadle County
Auditor · 605-353-8400 - Bennett County
Auditor · 605-685-6931 - Bon Homme County
Auditor · 605-589-4212 - Brookings County
Auditor · 605-696-8250 - Brown County
Auditor · 605-626-7110 - Brule County
Auditor · 605-234-4430 - Buffalo County
Auditor · 605-293-3217 - Butte County
Auditor · 605-892-4485 - Campbell County
Auditor · 605-955-3366 - Charles Mix County
Auditor · 605-487-7131 - Clark County
Auditor · 605-532-5921 - Clay County
Auditor · 605-677-7120 - Codington County
Auditor · 605-882-6297 - Corson County
Auditor · 605-273-4229 - Custer County
Auditor · 605-673-8173 - Davison County
Auditor · 605-995-8608 - Day County
Auditor · 605-345-9500 - Deuel County
Auditor · 605-874-2312 - Dewey County
Auditor · 605-865-3672 - Douglas County
Auditor · 605-724-2423 - Edmunds County
Auditor · 605-426-6762 - Fall River County
Auditor · 605-745-5130 - Faulk County
Auditor · 605-598-6224 - Grant County
Auditor · 605-432-6711 - Gregory County
Auditor · 605-775-2664 - Haakon County
Auditor · 605-859-2800 - Hamlin County
Auditor · 605-783-3201 - Hand County
Auditor · 605-853-2182 - Hanson County
Auditor · 605-239-4714 - Harding County
Auditor · 605-375-3313 - Hughes County
Auditor · 605-773-7451 - Hutchinson County
Auditor · 605-387-4212 - Hyde County
Auditor · 605-852-2519 - Jackson County
Auditor · 605-837-2422 - Jerauld County
Auditor · 605-539-9301 - Jones County
Auditor · 605-669-7100 - Kingsbury County
Auditor · 605-854-3832 - Lake County
Auditor · 605-256-7600 - Lawrence County
Auditor · 605-578-1941 - Lincoln County
Auditor · 605-764-2581 - Lyman County
Auditor · 605-869-2247 - Marshall County
Auditor · 605-448-2401 - McCook County
Auditor · 605-425-2791 - McPherson County
Auditor · 605-439-3314 - Meade County
Auditor · 605-347-2360 - Mellette County
Auditor · 605-259-3050 - Miner County
Auditor · 605-772-4671 - Minnehaha County
Auditor · 605-367-4220 - Moody County
Auditor · 605-997-3161 - Oglala Lakota County
Auditor · 605-745-5130 - Pennington County
Auditor · 605-394-2153 - Perkins County
Auditor · 605-244-5624 - Potter County
Auditor · 605-765-9408 - Roberts County
Auditor · 605-698-7336 - Sanborn County
Auditor · 605-796-4513 - Spink County
Auditor · 605-472-4580 - Stanley County
Auditor · 605-223-7780 - Sully County
Auditor · 605-258-2541 - Todd County
Auditor · 605-842-3727 - Tripp County
Auditor · 605-842-3727 - Turner County
Auditor · 605-297-3153 - Union County
Auditor · 605-356-2101 - Walworth County
Auditor · 605-649-7878 - Yankton County
Auditor · 605-260-4436 - Ziebach County
Auditor · 605-365-5157
South Dakota voting dates
| Date | What |
|---|---|
| Fri, Sep 18, 8:00 AM | Absentee voting opens Absentee voting for the Nov 3 election begins Sept 18. Check your county auditor's hours. source |
| Mon, Oct 19, 5:00 PM | Last day to register Voter registration closes at 5 p.m. local time. source |
| Mon, Nov 2, 5:00 PM | Request an absentee ballot Your request must reach your county auditor before 5 p.m. local time the day before the election. source |
| Tue, Nov 3, 7:00 PM | Last day to return your absentee ballot It must be received by 7:00 p.m. source |
| Tue, Nov 3, 7:00 PM | Election Day: polls open 7:00 a.m. to 7:00 p.m. Local time. Eastern South Dakota is on Central Time; western South Dakota is on Mountain Time. source |
More for South Dakota voters
- Who is on the South Dakota ballot: every candidate on the state's official list, race by race.
- South Dakota voting deadlines 2026: registration, mail ballots, early voting and Election Day.
- Every South Dakota county's office.
- Early voting dates in every state.
Office details are from the South Dakota Secretary of State, County Auditors (checked October 14, 2026). Dates are South Dakota's, each linked to its source. Call the office before you go.