Richest & Poorest Counties in South Dakota
South Dakota has 66 counties. The wealthiest county by median household income is Lincoln County at $99,166 , while the lowest-income county is Jackson County at $35,417 . The statewide median household income is $75,081, compared to the national median of $75,149.
Geography
Metric
South Dakota — Median Household Income by County
Source: U.S. Census Bureau — ACS 5-Year Estimates. All values are estimates subject to margin of error.
Richest Counties in South Dakota
Top 10 counties ranked by median household income.
| # | County | Income |
|---|---|---|
| 1 | Lincoln County | $99,166 |
| 2 | Union County | $89,636 |
| 3 | Stanley County | $87,712 |
| 4 | Hamlin County | $87,101 |
| 5 | Douglas County | $86,442 |
| 6 | Custer County | $84,112 |
| 7 | McCook County | $83,852 |
| 8 | Deuel County | $83,112 |
| 9 | Edmunds County | $81,630 |
| 10 | Hughes County | $81,395 |
Poorest Counties in South Dakota
Bottom 10 counties ranked by median household income.
| # | County | Income |
|---|---|---|
| 66 | Jackson County | $35,417 |
| 65 | Oglala Lakota County | $41,417 |
| 64 | Todd County | $42,075 |
| 63 | Corson County | $46,406 |
| 62 | Buffalo County | $47,045 |
| 61 | Bennett County | $53,750 |
| 60 | Ziebach County | $53,958 |
| 59 | Mellette County | $54,076 |
| 58 | Dewey County | $54,104 |
| 57 | Clay County | $56,850 |
All 66 Counties Ranked
Every county in South Dakota ranked by median household income. Click any county for its full profile.
About This Data
All figures are estimates from the American Community Survey 2024 5-Year Estimates, published by the U.S. Census Bureau. Values are subject to sampling variability and margin of error.
Rankings are within South Dakota only and may differ from national rankings. For more information, see our methodology.