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/HIGHEST-AVERAGE-INCOME

ZIP Codes With the Highest Average Income in South Dakota

What this measures. Total adjusted gross income divided by the number of tax returns filed. This is income per RETURN, not per person or per household — a return can be a single filer or a married couple. Source: IRS Statistics of Income, ZIP code data, data release 2026-10-12.

# ZIP City County Average AGI per return
1 57038 Jefferson Union $311,524
2 57049 North Sioux City Union $252,681
3 57108 Sioux Falls Lincoln $157,628
4 57055 Renner Minnehaha $144,785
5 57075 Wentworth Lake $134,265
6 57273 Waubay Day $132,596
7 57702 Rapid City Pennington $120,861
8 57017 Colman Moody $119,990
9 57479 Warner Brown $119,100
10 57015 Chancellor Turner $116,748
11 57005 Brandon Minnehaha $116,114
12 57471 Roscoe Edmunds $113,886
13 57348 Hitchcock Beadle $113,273
14 57110 Sioux Falls Minnehaha $112,218
15 57442 Gettysburg Potter $112,183
16 57564 Onida Sully $111,253
17 57237 Gary Deuel $109,445
18 57032 Harrisburg Lincoln $108,940
19 57220 Bruce Brookings $107,738
20 57216 Big Stone City Grant $107,125
21 57068 Valley Springs Minnehaha $107,109
22 57003 Baltic Minnehaha $106,448
23 57472 Selby Walworth $103,787
24 57105 Sioux Falls Minnehaha $102,562
25 57427 Bath Brown $100,819
26 57010 Burbank Clay $100,548
27 57783 Spearfish Lawrence $100,229
28 57445 Groton Brown $100,109
29 57030 Garretson Minnehaha $99,934
30 57034 Hudson Lincoln $99,513
31 57035 Humboldt Minnehaha $98,968
32 57033 Hartford Minnehaha $98,896
33 57745 Hill City Pennington $98,297
34 57022 Dell Rapids Minnehaha $97,874
35 57656 Timber Lake Dewey $97,481
36 57532 Fort Pierre Stanley $96,549
37 57018 Colton Minnehaha $96,396
38 57013 Canton Lincoln $94,783
39 57020 Crooks Minnehaha $94,757
40 57451 Ipswich Edmunds $94,169
41 57235 Florence Codington $93,697
42 57012 Canistota McCook $93,144
43 57428 Bowdle Edmunds $93,100
44 57025 Elk Point Union $92,900
45 57730 Custer Custer $92,346
46 57769 Piedmont Meade $92,212
47 57732 Deadwood Lawrence $91,909
48 57064 Tea Lincoln $91,662
49 57260 Rosholt Roberts $91,562
50 57048 Montrose McCook $90,972

Showing the top 50 of 216 ZIP codes in South Dakota that have this figure and meet the threshold above. 57038 ranks 1st at $311,524, against $90,972 in 50th place.

Other rankings for South Dakota

Cite this page

zipcodes.pro. “ZIP Codes With the Highest Average Income in South Dakota.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/rankings/sd/highest-average-income

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