Last updated: 2025 BLS data · Page refreshed:
How much does a Astronomers actually take home in California?
Progressive (up to 13.3%) — 29.8% effective total tax rateData: BLS OEWS 2025 + IRS/State Tax Brackets 2024 • Updated 2026-05-19
Detailed line-by-line tax calculation for a Astronomers earning $123,540 in California (single filer, standard deduction).
| Tax Component | Annual Amount | Effective Rate |
|---|---|---|
| Gross Salary (Median) | $123,540 | — |
| Federal Income Tax | -$19,188 | 15.5% |
| California State Income Tax | -$8,142 | 6.6% |
| Social Security (OASDI) | -$7,659 | 6.2% |
| Medicare | -$1,791 | 1.4% |
| Total Taxes | -$36,780 | 29.8% |
| Take-Home Pay | $86,759 | 70.2% |
Take-home pay varies significantly across experience levels. Here is the after-tax breakdown for each salary percentile of Astronomers in California.
| Percentile | Gross Salary | Total Taxes | Take-Home Pay | Tax Rate |
|---|---|---|---|---|
| 10th Percentile (P10) | $76,020 | -$18,103 | $57,916 | 23.8% |
| 25th Percentile (P25) | $76,020 | -$18,103 | $57,916 | 23.8% |
| Median (P50) | $123,540 | -$36,780 | $86,759 | 29.8% |
| 75th Percentile (P75) | $182,780 | -$60,160 | $122,619 | 32.9% |
| 90th Percentile (P90) | $195,190 | -$64,473 | $130,716 | 33.0% |
After federal income tax ($19,188), state tax ($8,142), and FICA ($9,450), a Astronomers in California takes home $86,759 per year — or $7,229 per month. The effective tax rate of 29.8% is moderate compared to the national range.
A Astronomers in California loses 29.8% of gross pay to taxes — higher than the ~25% national midpoint. Of the $123,540 gross, $86,759 lands in the paycheck after federal ($19,188), state ($8,142), and FICA ($9,451) withholding.
California uses a progressive state income tax, so brackets escalate as wages rise. For this Astronomers salary the state tax works out to $8,142 (6.6% effective) — on top of federal and FICA.
Federal tax on this Astronomers salary is $19,188 (52%), but combined state ($8,142, 22%) + FICA ($9,451, 26%) make up the other 48% of the bill.
The state-tax gap is substantial: a Astronomers earning this gross in a no-income-tax state would net about $94,901 — an extra $8,142 (9.4%) annually compared with California.
California sits near the bottom (#4 of 5) for Astronomers after-tax earnings. Relocation, negotiation, or credential stacking typically show the clearest ROI in bottom-quartile states.
Translated into paycheck cadences, $86,759 net/year works out to $7,230/month or $3,337/bi-weekly for this Astronomers in California — the numbers that actually hit a checking account after every deduction.
Where does a Astronomers keep the most of their paycheck? Top 10 states ranked by after-tax take-home pay.
California ranks #4 out of 5 states for Astronomers after-tax take-home pay.
A Astronomers in California earning a median salary of $123,540 will take home approximately $86,759 per year after federal income tax ($19,188), state income tax ($8,142), and FICA ($9,450). That is $7,229 per month or $3,336 per bi-weekly paycheck.
The effective total tax rate for a Astronomers in California is 29.8%, broken down as: federal income tax 15.5%, California state tax 6.6%, and FICA (Social Security + Medicare) 7.6%. This assumes a single filer with the standard deduction for 2024.
California has a progressive (up to 13.3%). On a Astronomers's median salary of $123,540, the state income tax amounts to $8,142 per year, which is an effective state rate of 6.6%.
After all taxes, a Astronomers in California takes home approximately $7,229 per month, or about $41.71 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 $123,540 for Astronomers in California, then subtract: federal income tax using 2024 IRS brackets ($14,600 standard deduction), California state income tax (progressive (up to 13.3%)), Social Security (6.2% up to $168,600), and Medicare (1.45%). The result — $86,759/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