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About this map

Income inequality on a 0-to-1 scale. 0 means every household earns the same; higher means income is concentrated among fewer households. The U.S. scores about 0.48. Lower is more equal.

Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024).

U.S.
0.483
South Dakota
0.449
Rankings
Full list

Top and bottom zip codes in South Dakota

Zip codes with 1,000+ residents

Zip codes with the most income inequality

See all
  1. 157794Wounded Knee0.647
  2. 257437Eureka0.610
  3. 357349Howard0.591
  4. 457075Wentworth0.582
  5. 557566Parmelee0.572
  6. 657356Lake Andes0.542
  7. 757642Mc Laughlin0.530
  8. 857555Mission0.524
  9. 957548Lower Brule0.519
  10. 1057018Colton0.507

Zip codes with the least income inequality

See all
  1. 157706Ellsworth Afb0.271
  2. 257752Kyle0.274
  3. 357248Lake Norden0.302
  4. 457068Valley Springs0.309
  5. 557003Baltic0.310
  6. 657077Worthing0.310
  7. 757035Humboldt0.313
  8. 857772Porcupine0.317
  9. 957071Volga0.318
  10. 1057064Tea0.319

Income inequality (Gini) by county in South Dakota

  1. 1Corson County0.532
  2. 2McPherson County0.526
  3. 3Ziebach County0.523
  4. 4Miner County0.521
  5. 5Perkins County0.520
  6. 6Jackson County0.518
  7. 7Todd County0.508
  8. 8Lyman County0.505
  9. 9Oglala Lakota County0.505
  10. 10Faulk County0.503
  11. 11Mellette County0.501
  12. 12Buffalo County0.495
  13. 13Clay County0.480
  14. 14Campbell County0.474
  15. 15Hand County0.471
  16. 16Custer County0.471
  17. 17Union County0.470
  18. 18Edmunds County0.470
  19. 19Lake County0.469
  20. 20Jerauld County0.468
  21. 21Charles Mix County0.461
  22. 22Pennington County0.460
  23. 23Brown County0.459
  24. 24Day County0.458
  25. 25Butte County0.457
  26. 26Lawrence County0.456
  27. 27Douglas County0.455
  28. 28Dewey County0.451
  29. 29Walworth County0.449
  30. 30Marshall County0.449
  31. 31Beadle County0.449
  32. 32Tripp County0.447
  33. 33Sully County0.447
  34. 34Bennett County0.444
  35. 35Yankton County0.444
  36. 36Brule County0.444
  37. 37Davison County0.442
  38. 38Clark County0.441
  39. 39Minnehaha County0.440
  40. 40Lincoln County0.438
  41. 41Hutchinson County0.434
  42. 42Aurora County0.432
  43. 43Gregory County0.432
  44. 44Bon Homme County0.431
  45. 45Codington County0.428
  46. 46Roberts County0.426
  47. 47Haakon County0.424
  48. 48Grant County0.424
  49. 49Spink County0.422
  50. 50Fall River County0.421
  51. 51Jones County0.420
  52. 52Hughes County0.420
  53. 53Hamlin County0.418
  54. 54Brookings County0.415
  55. 55Harding County0.415
  56. 56Moody County0.413
  57. 57Potter County0.409
  58. 58Hanson County0.406
  59. 59Deuel County0.400
  60. 60Turner County0.400
  61. 61Sanborn County0.399
  62. 62Kingsbury County0.397
  63. 63Hyde County0.395
  64. 64Meade County0.391
  65. 65McCook County0.390
  66. 66Stanley County0.380

Questions about this map

Which zip code has the highest income inequality (gini) in South Dakota?

Among zip codes with at least 1,000 residents, 57794 (Wounded Knee, SD) has the highest: 0.647.

Which zip code has the lowest income inequality (gini) in South Dakota?

57706 (Ellsworth Afb, SD) has the lowest: 0.271.

What is the income inequality (gini) for the United States?

0.483; in South Dakota it is 0.449.

Where does this data come from?

U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024). Income inequality on a 0-to-1 scale. 0 means every household earns the same; higher means income is concentrated among fewer households. The U.S. scores about 0.48. Lower is more equal.

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