Last updated: 2025 BLS data · Page refreshed:
How much does a Library Assistants, Clerical actually take home in Massachusetts?
5.0% flat rate — 20.0% effective total tax rateData: BLS OEWS 2025 + IRS/State Tax Brackets 2024 • Updated 2026-05-19
Detailed line-by-line tax calculation for a Library Assistants, Clerical earning $42,520 in Massachusetts (single filer, standard deduction).
| Tax Component | Annual Amount | Effective Rate |
|---|---|---|
| Gross Salary (Median) | $42,520 | — |
| Federal Income Tax | -$3,118 | 7.3% |
| Massachusetts State Income Tax | -$2,126 | 5.0% |
| Social Security (OASDI) | -$2,636 | 6.2% |
| Medicare | -$616 | 1.4% |
| Total Taxes | -$8,497 | 20.0% |
| Take-Home Pay | $34,022 | 80.0% |
Take-home pay varies significantly across experience levels. Here is the after-tax breakdown for each salary percentile of Library Assistants, Clerical in Massachusetts.
| Percentile | Gross Salary | Total Taxes | Take-Home Pay | Tax Rate |
|---|---|---|---|---|
| 10th Percentile (P10) | $32,370 | -$5,995 | $26,374 | 18.5% |
| 25th Percentile (P25) | $35,920 | -$6,870 | $29,049 | 19.1% |
| Median (P50) | $42,520 | -$8,497 | $34,022 | 20.0% |
| 75th Percentile (P75) | $50,570 | -$10,481 | $40,088 | 20.7% |
| 90th Percentile (P90) | $59,940 | -$12,791 | $47,148 | 21.3% |
After federal income tax ($3,118), state tax ($2,126), and FICA ($3,252), a Library Assistants, Clerical in Massachusetts takes home $34,022 per year — or $2,835 per month. The effective tax rate of 20.0% is relatively low compared to the national range.
With an effective total rate of 20.0%, a Library Assistants, Clerical in Massachusetts keeps $34,023 of $42,520 gross — roughly typical for U.S. middle-income earners once federal, FICA and state taxes are combined.
Massachusetts applies a flat state income tax — every dollar of wage income is taxed at the same rate. For this Library Assistants, Clerical salary that contributes $2,126 to the 5.0% effective state-tax burden.
Federal tax on this Library Assistants, Clerical salary is $3,118 (37%), but combined state ($2,126, 25%) + FICA ($3,253, 38%) make up the other 63% of the bill.
A Library Assistants, Clerical earning this gross in a no-income-tax state (e.g., Texas, Florida) would take home approximately $36,149 — only $2,126 (6.2%) more than in Massachusetts.
For Library Assistants, Clerical after-tax pay, Massachusetts ranks #7 of 50 states — top quartile. High gross wages or low state-tax burden (or both) drive the strong ranking.
Translated into paycheck cadences, $34,023 net/year works out to $2,835/month or $1,309/bi-weekly for this Library Assistants, Clerical in Massachusetts — the numbers that actually hit a checking account after every deduction.
Where does a Library Assistants, Clerical keep the most of their paycheck? Top 10 states ranked by after-tax take-home pay.
Massachusetts ranks #7 out of 50 states for Library Assistants, Clerical after-tax take-home pay.
A Library Assistants, Clerical in Massachusetts earning a median salary of $42,520 will take home approximately $34,022 per year after federal income tax ($3,118), state income tax ($2,126), and FICA ($3,252). That is $2,835 per month or $1,308 per bi-weekly paycheck.
The effective total tax rate for a Library Assistants, Clerical in Massachusetts is 20.0%, broken down as: federal income tax 7.3%, Massachusetts state tax 5.0%, and FICA (Social Security + Medicare) 7.6%. This assumes a single filer with the standard deduction for 2024.
Massachusetts has a 5.0% flat rate. On a Library Assistants, Clerical's median salary of $42,520, the state income tax amounts to $2,126 per year, which is an effective state rate of 5.0%.
After all taxes, a Library Assistants, Clerical in Massachusetts takes home approximately $2,835 per month, or about $16.36 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 $42,520 for Library Assistants, Clerical in Massachusetts, then subtract: federal income tax using 2024 IRS brackets ($14,600 standard deduction), Massachusetts state income tax (5.0% flat rate), Social Security (6.2% up to $168,600), and Medicare (1.45%). The result — $34,022/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