Sioux County Voting Districts and Polling Locations

Iowa Congressional Districts (Federal Government) 
- Click here to see the map.

Iowa Senate Districts (State Government)
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Sioux County is in one State Senate districts District 2 map

Iowa House Districts (State Government)
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Sioux County is split into two districts. District 3 map & District 4 map

County Board of Supervisors (County Government)
- Sioux County has five supervisor districts. Click here to see which district you live in.

School Boards
- Click here to see which school district you live in.

NCC Board of Trustees
- Click here to see which NCC district you live in.

Sioux County Precincts
The precinct you live in determines your polling location. Click here to see which precinct you live in.  More detailed maps of precinct boundaries in Orange City No. 1, Holland SW & Orange City No. 2 Holland SE, Rock Valley No. 1 & Rock Valley No. 2, and Sioux Center No.1 Welcome, Sioux Center No. 2, Sioux Center No. 3, and Sioux Center No. 4 are also available.


Alton, Nassau

Alton Community Building
1101 3rd Ave
Alton, IA, 51003


Buncombe, Eagle West, Garfield, Hawarden, Logan, Washington West

Hawarden City Office
1150 Central Ave
Hawarden, IA 51023


Capel, Grant, Lynn, Sheridan

DEMCO Community Center
714 Main St
Boyden, IA 51234


East Orange, Floyd, Holland North

Hospers Community Building
211 Main St
Hospers, IA 51238


Hull, Lincoln

Hull Community Center
1135 Main St
Hull, IA 51239


Ireton, Center, Eagle East, Reading, Washington East

Ireton City Hall
502 4th Street
Ireton, Iowa 51027


Maurice, Sherman

Maurice Community Center
225 Main St
Maurice, IA 51036


Orange City No.1, Holland SW and Orange City No. 2, Holland SE

Prairie Winds Event Center
908 8th St, SE
Orange City, IA  51041


Plato, Rock, Settlers, Sioux

Parkview Event Center
1303 10th St
Rock Valley, IA  51247


Rock Valley No. 1 & Rock Valley No. 2

Parkview Event Center
1303 10th St
Rock Valley, IA  51247


Sioux Center No. 1, Welcome, Sioux Center No. 2, Sioux Center No. 3, & Sioux Center No. 4

Terrace View Event Center
230 St Andrews Way
Sioux Center, IA 51250


West Branch

Terrace View Event Center
230 St Andrews Way
Sioux Center, IA 51250