Census ACS 5-year estimates · 2026
The average income for households in South Dakota is $98,527, which is 13% lower than the US average.
The median income for households in South Dakota is $75,081, which is 7% lower than the US median.
More South Dakota income data
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Explore the richest ZIPs in South DakotaSouth Dakota has a population-weighted median household income of $76,069 and mean household income of $97,871 across 369 ZIP codes — 13.2% lower than the US average for median income.
$76,069
US ZIP-weighted median: $87,610 · 13.2% lower than the US average
$97,871
US ZIP-weighted mean: $113,774 · 14% lower than the US average
$40,625
US per capita: $44,688 · 9.1% lower than the US average
By age of householder
Census ACS table B19049 · 2024 5-year estimates
Gray bar = US median ($45,332)
Gray bar = US median ($90,756)
Gray bar = US median ($97,843)
Gray bar = US median ($58,390)
In South Dakota, younger households (householder under 25) report a median income of $43,953. Income peaks for householders aged 45 to 64, at $91,042. Among householders 65 and over, the median falls to $55,181 — a common pattern as people transition from career earnings to retirement income.
Income distribution
Census ACS table B19001 · 365,544 households · 2024 5-year estimates
Under $50k
33%
$50k–$99k
32%
$100k–$149k
19%
$150k+
17%
South Dakota has 365,544 households spread across 16 income brackets. The largest share (15%) falls in the $75,000 to $99,999 range. Roughly 36% of households earn $100,000 or more per year. About 33% earn less than $50,000.
Richest ZIP codes are ranked by mean household income among ZCTAs with at least 500 residents. Census suppresses exact medians above $250,000; mean income avoids ties.
| Rank | ZIP | County | Population | Mean income | Median income |
|---|---|---|---|---|---|
| 1 | 57232 | Marshall County | 651 | $188,980 | $93,750 |
| 2 | 57075 | Lake County | 1,296 | $188,936 | $106,763 |
| 3 | 57055 | Minnehaha County | 1,404 | $175,047 | $120,341 |
| 4 | 57479 | Brown County | 625 | $164,405 | $102,222 |
| 5 | 57038 | Union County | 1,796 | $162,647 | $106,250 |
| 6 | 57020 | Minnehaha County | 1,622 | $148,883 | $101,500 |
| 7 | 57108 | Lincoln County | 33,966 | $146,663 | $98,197 |
| 8 | 57018 | Minnehaha County | 1,495 | $145,515 | $97,500 |
| 9 | 57568 | Lyman County | 540 | $142,517 | $83,188 |
| 10 | 57049 | Union County | 7,962 | $141,775 | $93,134 |
Hero statistics use official Census ACS state totals (tables B19013 and S1902). Figures in this section are population-weighted aggregates of ZIP Code Tabulation Area (ZCTA) estimates for browsing individual ZIP codes. Page URL: https://resource.skyrocketbpo.com/tools/market-research/us-income-demographics-by-zip-code/south-dakota
Permanent URL backed by Census ACS data in PocketBase.