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/LOWEST-AVERAGE-INCOME

ZIP Codes With the Lowest Average Income in South Dakota

What this measures. Total adjusted gross income divided by tax returns filed, lowest first. ZIP codes with fewer than 200 returns are excluded: the IRS suppresses small cells and the remainder swing too wildly to rank. Source: IRS Statistics of Income, ZIP code data, data release 2026-10-12.

# ZIP City County Average AGI per return
1 57566 Parmelee Todd $31,720
2 57577 Wanblee Jackson $32,797
3 57714 Allen Bennett $33,092
4 57339 Fort Thompson Buffalo $33,243
5 57572 Saint Francis Todd $33,766
6 57764 Oglala Oglala Lakota $34,348
7 57548 Lower Brule Lyman $37,981
8 57706 Ellsworth Afb Meade $39,947
9 57772 Porcupine Oglala Lakota $42,226
10 57752 Kyle Oglala Lakota $43,630
11 57555 Mission Todd $44,253
12 57770 Pine Ridge Oglala Lakota $44,891
13 57625 Eagle Butte Dewey $45,022
14 57642 Mc Laughlin Corson $45,663
15 57579 White River Mellette $49,913
16 57623 Dupree Ziebach $52,531
17 57257 Peever Roberts $56,222
18 57528 Colome Tripp $56,336
19 57551 Martin Bennett $56,973
20 57760 Newell Butte $57,463
21 57356 Lake Andes Charles Mix $57,676
22 57633 Isabel Corson $57,924
23 57626 Faith Perkins $58,043
24 57762 Nisland Butte $58,727
25 57355 Kimball Brule $58,786
26 57385 Woonsocket Sanborn $59,011
27 57263 South Shore Codington $59,332
28 57481 Westport Brown $60,788
29 57317 Bonesteel Gregory $61,067
30 57456 Leola McPherson $61,110
31 57262 Sisseton Roberts $61,296
32 57380 Wagner Charles Mix $61,608
33 57370 Pukwana Brule $61,726
34 57543 Kadoka Jackson $61,727
35 57701 Rapid City Pennington $62,238
36 57382 Wessington Springs Jerauld $62,546
37 57368 Plankinton Aurora $63,633
38 57383 White Lake Aurora $63,920
39 57638 Lemmon Perkins $64,169
40 57270 Veblen Marshall $65,188
41 57620 Bison Perkins $65,791
42 57365 Oacoma Lyman $66,592
43 57735 Edgemont Fall River $66,605
44 57046 Mission Hill Yankton $66,847
45 57703 Rapid City Pennington $67,033
46 57559 Murdo Jones $67,394
47 57761 New Underwood Meade $67,895
48 57717 Belle Fourche Butte $67,960
49 57536 Harrold Hughes $68,074
50 57063 Tabor Bon Homme $68,124

Showing the top 50 of 216 ZIP codes in South Dakota that have this figure and meet the threshold above. 57566 ranks 1st at $31,720, against $68,124 in 50th place.

Other rankings for South Dakota

Cite this page

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

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