Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — RANKINGS/SD/MOST-TAX-RETURNS

ZIP Codes With the Most Tax Returns Filed in South Dakota

What this measures. Number of individual income tax returns filed. A rough proxy for how many households a ZIP code contains, available where census figures are not. Source: IRS Statistics of Income, ZIP code data, data release 2026-10-12.

# ZIP City County Returns filed
1 57106 Sioux Falls Minnehaha 24,530
2 57701 Rapid City Pennington 21,030
3 57103 Sioux Falls Minnehaha 18,830
4 57108 Sioux Falls Lincoln 18,180
5 57702 Rapid City Pennington 17,290
6 57104 Sioux Falls Minnehaha 15,330
7 57401 Aberdeen Brown 15,230
8 57201 Watertown Codington 13,080
9 57110 Sioux Falls Minnehaha 12,280
10 57719 Box Elder Meade 11,100
11 57105 Sioux Falls Minnehaha 11,000
12 57006 Brookings Brookings 10,810
13 57078 Yankton Yankton 9,470
14 57783 Spearfish Lawrence 9,360
15 57703 Rapid City Pennington 9,340
16 57301 Mitchell Davison 8,930
17 57501 Pierre Hughes 8,370
18 57350 Huron Beadle 7,260
19 57107 Sioux Falls Minnehaha 6,420
20 57005 Brandon Minnehaha 6,090
21 57785 Sturgis Meade 4,880
22 57032 Harrisburg Lincoln 4,600
23 57069 Vermillion Clay 4,540
24 57717 Belle Fourche Butte 4,050
25 57042 Madison Lake 3,990
26 57049 North Sioux City Union 3,950
27 57064 Tea Lincoln 3,790
28 57718 Black Hawk Meade 3,620
29 57747 Hot Springs Fall River 2,910
30 57730 Custer Custer 2,880
31 57033 Hartford Minnehaha 2,760
32 57022 Dell Rapids Minnehaha 2,660
33 57252 Milbank Grant 2,370
34 57769 Piedmont Meade 2,350
35 57013 Canton Lincoln 2,160
36 57262 Sisseton Roberts 2,120
37 57580 Winner Tripp 1,930
38 57039 Lennox Lincoln 1,840
39 57754 Lead Lawrence 1,810
40 57601 Mobridge Dewey 1,750
41 57770 Pine Ridge Oglala Lakota 1,750
42 57004 Beresford Lincoln 1,730
43 57071 Volga Brookings 1,590
44 57325 Chamberlain Brule 1,550
45 57532 Fort Pierre Stanley 1,540
46 57625 Eagle Butte Dewey 1,530
47 57030 Garretson Minnehaha 1,520
48 57028 Flandreau Moody 1,500
49 57469 Redfield Spink 1,430
50 57274 Webster Day 1,390

Showing the top 50 of 280 ZIP codes in South Dakota that have this figure . 57106 ranks 1st at 24,530, against 1,390 in 50th place.

Other rankings for South Dakota

Cite this page

zipcodes.pro. “ZIP Codes With the Most Tax Returns Filed in South Dakota.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/rankings/sd/most-tax-returns

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