Last updated: 2025 BLS data · Page refreshed:
How much does a Social Science Research Assistants actually take home in South Carolina?
Progressive (up to 6.4%) — 22.3% effective total tax rateData: BLS OEWS 2025 + IRS/State Tax Brackets 2024 • Updated 2026-05-19
Detailed line-by-line tax calculation for a Social Science Research Assistants earning $64,490 in South Carolina (single filer, standard deduction).
| Tax Component | Annual Amount | Effective Rate |
|---|---|---|
| Gross Salary (Median) | $64,490 | — |
| Federal Income Tax | -$6,028 | 9.3% |
| South Carolina State Income Tax | -$3,434 | 5.3% |
| Social Security (OASDI) | -$3,998 | 6.2% |
| Medicare | -$935 | 1.5% |
| Total Taxes | -$14,396 | 22.3% |
| Take-Home Pay | $50,093 | 77.7% |
Take-home pay varies significantly across experience levels. Here is the after-tax breakdown for each salary percentile of Social Science Research Assistants in South Carolina.
| Percentile | Gross Salary | Total Taxes | Take-Home Pay | Tax Rate |
|---|---|---|---|---|
| 10th Percentile (P10) | $48,200 | -$9,879 | $38,320 | 20.5% |
| 25th Percentile (P25) | $50,070 | -$10,366 | $39,703 | 20.7% |
| Median (P50) | $64,490 | -$14,396 | $50,093 | 22.3% |
| 75th Percentile (P75) | $79,740 | -$19,894 | $59,845 | 24.9% |
| 90th Percentile (P90) | $130,300 | -$38,424 | $91,875 | 29.5% |
After federal income tax ($6,028), state tax ($3,434), and FICA ($4,933), a Social Science Research Assistants in South Carolina takes home $50,093 per year — or $4,174 per month. The effective tax rate of 22.3% is relatively low compared to the national range.
With an effective total rate of 22.3%, a Social Science Research Assistants in South Carolina keeps $50,093 of $64,490 gross — roughly typical for U.S. middle-income earners once federal, FICA and state taxes are combined.
South Carolina uses a progressive state income tax, so brackets escalate as wages rise. For this Social Science Research Assistants salary the state tax works out to $3,434 (5.3% effective) — on top of federal and FICA.
Federal tax on this Social Science Research Assistants salary is $6,029 (42%), but combined state ($3,434, 24%) + FICA ($4,933, 34%) make up the other 58% of the bill.
Moving this same Social Science Research Assistants salary to a zero-state-tax state would yield around $53,528 net — a gain of $3,434 (6.9%) per year versus South Carolina.
South Carolina ranks #14 of 45 states for Social Science Research Assistants after-tax pay — comfortably in the upper half.
Translated into paycheck cadences, $50,093 net/year works out to $4,174/month or $1,927/bi-weekly for this Social Science Research Assistants in South Carolina — the numbers that actually hit a checking account after every deduction.
Where does a Social Science Research Assistants keep the most of their paycheck? Top 10 states ranked by after-tax take-home pay.
South Carolina ranks #14 out of 45 states for Social Science Research Assistants after-tax take-home pay.
A Social Science Research Assistants in South Carolina earning a median salary of $64,490 will take home approximately $50,093 per year after federal income tax ($6,028), state income tax ($3,434), and FICA ($4,933). That is $4,174 per month or $1,926 per bi-weekly paycheck.
The effective total tax rate for a Social Science Research Assistants in South Carolina is 22.3%, broken down as: federal income tax 9.3%, South Carolina state tax 5.3%, and FICA (Social Security + Medicare) 7.7%. This assumes a single filer with the standard deduction for 2024.
South Carolina has a progressive (up to 6.4%). On a Social Science Research Assistants's median salary of $64,490, the state income tax amounts to $3,434 per year, which is an effective state rate of 5.3%.
After all taxes, a Social Science Research Assistants in South Carolina takes home approximately $4,174 per month, or about $24.08 per hour (based on a standard 2,080-hour work year). These figures assume a single filer, standard deduction, and no additional pre-tax deductions.
We start with the 2025 BLS median salary of $64,490 for Social Science Research Assistants in South Carolina, then subtract: federal income tax using 2024 IRS brackets ($14,600 standard deduction), South Carolina state income tax (progressive (up to 6.4%)), Social Security (6.2% up to $168,600), and Medicare (1.45%). The result — $50,093/yr — does not include local taxes, pre-tax deductions (401k, HSA), or tax credits.
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This estimate assumes a single filer using the 2024 standard deduction ($14,600), with W-2 employment income only. It does not account for: itemized deductions, tax credits (e.g. earned income credit, child tax credit), local/city taxes, pre-tax contributions (401k, HSA, FSA), self-employment tax, or additional income sources. Actual take-home pay may differ. Consult a tax professional for personalized advice.
Our Methodology · Data Sources · Salary: BLS OEWS · Tax: IRS + State DOR