A Data Scientist earning $150K/year in South Dakota takes home $113,751 after all taxes. That’s $9,479/month, with an effective tax rate of 24.2%.
The estimated median salary for Data Scientists in South Dakota is $106K (adjusted from the national median of $115K using South Dakota’s cost-of-living index of 92). At $150K, you’re earning 42% above the state-adjusted median for this profession.
This salary places you in the upper tier for Data Scientists in South Dakota, likely reflecting senior-level experience, specialized skills, or management responsibilities. At this level, tax optimization becomes increasingly important — the difference between the best and worst states at $150K is $12,968/year.
Filing as married filing jointly on $150K (single earner) saves you $9,324/year ($777/month) compared to filing single. This marriage bonus comes from the doubled standard deduction ($32,200 vs $16,100) and wider lower brackets.
Data scientists often receive significant equity compensation, especially at tech companies. RSU vesting creates lumpy income that can push you into higher brackets in certain years. Conference speaking fees and consulting income on the side are common in this field and must be reported as self-employment income. If you publish research or create open-source tools, any related expenses may be deductible as unreimbursed business expenses. Consider tax-loss harvesting on personal investments to offset gains from equity compensation.
At #5 out of 50 states for take-home pay on a $150K salary, South Dakota is among the best states for keeping your paycheck. You’d keep $0 more per year in Alaska (#1), or $0/month.
After adjusting for cost of living, South Dakota ranks #6 in purchasing power. That’s a drop from #5 in raw take-home — South Dakota’s higher cost of living erodes some of your advantage.