How to use this list
Counties are sorted alphabetically. Use ZIP count and population to spot larger counties, then open a county for its ZIP roster and income/housing averages.
South Dakota counties
66 counties · 375 ZIP codes · population 898,404 . Select a county to open its ZIP table and local summary.
Related pages
Also see the South Dakota overview, cities, rankings, and congressional districts.
| County | ZIP codes | Population | Avg. income |
|---|---|---|---|
| Aurora County | 3 | 2,495 | $73,743 |
| Beadle County | 8 | 19,676 | $75,164 |
| Bennett County | 3 | 3,298 | $27,500 |
| Bon Homme County | 5 | 7,113 | $65,882 |
| Brookings County | 8 | 34,361 | $73,515 |
| Brown County | 14 | 38,102 | $89,909 |
| Brule County | 3 | 5,357 | $70,152 |
| Buffalo County | 2 | 1,464 | $71,990 |
| Butte County | 4 | 11,002 | $59,252 |
| Campbell County | 2 | 935 | $62,361 |
| Charles Mix County | 7 | 9,208 | $63,783 |
| Clark County | 6 | 3,595 | $62,663 |
| Clay County | 3 | 14,066 | $62,807 |
| Codington County | 6 | 28,549 | $63,052 |
| Corson County | 11 | 4,255 | $58,402 |
| Custer County | 4 | 8,422 | $71,316 |
| Davison County | 3 | 20,895 | $64,474 |
| Day County | 7 | 5,473 | $65,410 |
| Deuel County | 7 | 5,476 | $77,624 |
| Dewey County | 7 | 8,867 | $77,523 |
| Douglas County | 5 | 3,031 | $67,222 |
| Edmunds County | 3 | 3,651 | $68,265 |
| Fall River County | 5 | 8,136 | $69,106 |
| Faulk County | 4 | 1,753 | $48,455 |
| Grant County | 10 | 8,763 | $75,094 |
| Gregory County | 6 | 3,806 | $57,350 |
| Haakon County | 3 | 1,751 | $86,112 |
| Hamlin County | 5 | 5,065 | $85,934 |
| Hand County | 6 | 3,431 | $67,914 |
| Hanson County | 3 | 2,450 | $81,732 |
| Harding County | 6 | 1,014 | $73,701 |
| Hughes County | 3 | 18,208 | $72,762 |
| Hutchinson County | 7 | 7,845 | $87,088 |
| Hyde County | 3 | 1,290 | $78,750 |
| Jackson County | 4 | 2,310 | $52,287 |
| Jerauld County | 2 | 1,251 | $80,417 |
| Jones County | 3 | 1,010 | $68,682 |
| Kingsbury County | 7 | 6,173 | $72,990 |
| Lake County | 7 | 11,279 | $97,543 |
| Lawrence County | 7 | 25,717 | $75,715 |
| Lincoln County | 9 | 64,581 | $91,642 |
| Lyman County | 6 | 3,704 | $59,515 |
| Marshall County | 6 | 4,263 | $75,766 |
| McCook County | 6 | 5,855 | $74,344 |
| McPherson County | 4 | 2,390 | $74,780 |
| Meade County | 14 | 39,396 | $84,527 |
| Mellette County | 4 | 2,203 | $49,707 |
| Miner County | 4 | 2,107 | $68,819 |
| Minnehaha County | 19 | 207,362 | $93,183 |
| Moody County | 4 | 5,712 | $81,699 |
| Oglala Lakota County | 8 | 13,758 | $39,770 |
| Pennington County | 9 | 103,005 | $73,052 |
| Perkins County | 6 | 4,050 | $64,328 |
| Potter County | 4 | 2,834 | $78,984 |
| Roberts County | 8 | 9,877 | $65,991 |
| Sanborn County | 3 | 2,532 | $79,178 |
| Spink County | 10 | 6,284 | $80,005 |
| Stanley County | 2 | 2,941 | $81,513 |
| Sully County | 2 | 1,020 | $59,292 |
| Todd County | 5 | 8,493 | $34,008 |
| Tripp County | 6 | 5,832 | $54,888 |
| Turner County | 7 | 8,701 | $79,194 |
| Union County | 4 | 14,242 | $85,371 |
| Walworth County | 4 | 1,838 | $53,086 |
| Yankton County | 7 | 23,741 | $82,691 |
| Ziebach County | 2 | 1,140 | $44,808 |
Frequently asked questions
- How many counties are listed for South Dakota?
- US5 currently lists 66 counties with published ZIP coverage in South Dakota. Counts can change as geography publishes update.
- What happens when I open a county?
- Each county page shows ZIP totals, income and housing averages, and a ZIP table. From there you can open any ZIP for a full demographics dashboard.