Where to vote early in Jefferson County, Wisconsin: every city, village and town clerk
In Jefferson County you vote early at your own city, village or town clerk's office, not at the county, starting as early as Tuesday, October 20, 2026. Find your municipality below (5 cities, 3 villages, 16 towns), each with its clerk's address and phone. Each clerk sets its own days and hours.
Jefferson County municipal clerks (24)
- City of Fort Atkinson
101 N Main St, Fort Atkinson, WI 53538-1861 · 920-397-9901 - City of Jefferson
317 S Main St, Jefferson, WI 53549-1772 · 920-674-7700 - City of Lake Mills
200 Water St, Lake Mills, WI 53551-1632 · 920-648-2344 - City of Waterloo
136 N Monroe St, Waterloo, WI 53594-1125 · 920-478-3025 - City of Watertown
106 Jones St, Watertown, WI 53094-3737 · 920-262-4000 ext. 0 - Village of Johnson Creek
125 Depot St, Johnson Creek, WI 53038 · 920-699-2296 ext. 102 - Village of Palmyra
100 Taft St, Palmyra, WI 53156-0380 · 262-495-8316 - Village of Sullivan
500 Madison Ave, Sullivan, WI 53178-9799 · 262-593-2388 - Town of Aztalan
W6260 County Road B, Jefferson, WI 53549-9637 · 920-728-5711 - Town of Cold Spring
N1409 Fremont Rd, Whitewater, WI 53190 · 262-473-6228 - Town of Concord
W1095 Concord Center Dr, Sullivan, WI 53178-9730 · 414-534-4220 - Town of Farmington
N6468 S Farmington Rd, Watertown, WI 53094 · 920-699-2348 - Town of Hebron
N2313 County Road D, Fort Atkinson, WI 53538-9624 · 414-573-9600 - Town of Ixonia
W1195 Marietta Ave, Ixonia, WI 53036-9748 · 920-261-1588 - Town of Jefferson
434 S County Road Y, Jefferson, WI 53549-9567 · 920-674-5073 - Town of Koshkonong
W5609 Star School Rd, Fort Atkinson, WI 53538-9359 · 920-563-4510 - Town of Lake Mills
1111 S Main St, Lake Mills, WI 53551 · 920-648-5867 - Town of Milford
W6335 County Road A, Johnson Creek, WI 53038-9755 · 920-285-2180 - Town of Oakland
N4450 County Road A, Cambridge, WI 53523-9014 · 608-423-9635 - Town of Palmyra
W1125 State Road 106, Palmyra, WI 53156-9673 · 262-495-2049 - Town of Sullivan
N3866 West St, Sullivan, WI 53178-9621 · 262-593-8383 - Town of Sumner
N1525 Church St, Edgerton, WI 53534-9119 · 608-884-7925 - Town of Waterloo
N7874 State Road 89, Waterloo, WI 53594-9447 · 920-648-3230 - Town of Watertown
N8302 High Road, Watertown, WI 53094 · 920-261-5690
Jefferson County Clerk
Jefferson County Clerk
Office: 311 S Center Ave, Jefferson, WI 53549
Phone: 920-674-7144
Website: jeffersoncountywi.gov
Wisconsin voting dates
| Date | What |
|---|---|
| Wed, Oct 14 | Register online or by mail Online by Oct 14, or by mail postmarked by Oct 14, with proof of residence. After that, register in person at your municipal clerk's office or at your polling place on Election Day. source |
| Tue, Oct 20, 8:00 AM | In-person absentee voting opens In-person absentee voting at municipal clerk offices starts Oct 20. Days, hours and locations vary by municipality. source |
| Thu, Oct 29, 5:00 PM | Request an absentee ballot by mail Deadline for most voters to request a mailed absentee ballot online or by mail. Include a copy of your photo ID. source |
| Fri, Oct 30, 5:00 PM | Register at your clerk's office Last day to register in person at your municipal clerk's office, during business hours until 5 p.m. source |
| Tue, Nov 3, 8:00 PM | Election Day: polls open 7:00 a.m. to 8:00 p.m. Find your polling place at MyVote Wisconsin. source |
| Tue, Nov 3, 8:00 PM | Register and vote on Election Day Register at your polling place on Election Day, 7 a.m.–8 p.m. Bring proof of residence. source |
| Tue, Nov 3, 8:00 PM | Return your absentee ballot Your municipal clerk must receive it by 8 p.m. on Election Day. source |
Jefferson County early voting questions
Where do I vote early in Jefferson County?
At the clerk's office of the city, village or town where you live. Jefferson County has 24 of them, all listed on this page.
When does early voting start in Jefferson County?
In-person absentee voting in Wisconsin can start Tuesday, October 20, 2026. Each municipal clerk sets its own days and hours.
How do I contact the Jefferson County Clerk?
311 S Center Ave, Jefferson, WI 53549, phone 920-674-7144, https://www.jeffersoncountywi.gov/. For early voting, go to your own municipal clerk.
Other Wisconsin counties: Adams, Ashland, Barron, Bayfield, Brown, Buffalo, Burnett, Calumet, Chippewa, Clark, Columbia, Crawford, Dane, Dodge, Door, Douglas, Dunn, Eau Claire, Florence, Fond du Lac, Forest, Grant, Green, Green Lake, Iowa, Iron, Jackson, Juneau, Kenosha, Kewaunee, La Crosse, Lafayette, Langlade, Lincoln, Manitowoc, Marathon, Marinette, Marquette, Menominee, Milwaukee, Monroe, Oconto, Oneida, Outagamie, Ozaukee, Pepin, Pierce, Polk, Portage, Price, Racine, Richland, Rock, Rusk, Sauk, Sawyer, Shawano, Sheboygan, St. Croix, Taylor, Trempealeau, Vernon, Vilas, Walworth, Washburn, Washington, Waukesha, Waupaca, Waushara, Winnebago, Wood.
More for Wisconsin voters
- Wisconsin voting deadlines 2026: registration, absentee ballots, early voting and Election Day.
- Wisconsin early voting locations we have read so far, with days and hours.
- Every Wisconsin county and municipal clerk.
- Early voting dates in every state.
Office details are from the Wisconsin Elections Commission, Directory of Wisconsin Clerks (updated October 12, 2026; checked October 14, 2026). Dates are Wisconsin's, from the Wisconsin election office links shown. Days and hours at each clerk's office are set by that office, so call or check its website before you go.