Last updated: 2025 BLS data · Page refreshed:
How much does a Hydrologic Technicians actually take home in Tennessee?
No state income tax — 13.2% effective total tax rateData: BLS OEWS 2025 + IRS/State Tax Brackets 2024 • Updated 2026-05-19
Detailed line-by-line tax calculation for a Hydrologic Technicians earning $30,780 in Tennessee (single filer, standard deduction).
| Tax Component | Annual Amount | Effective Rate |
|---|---|---|
| Gross Salary (Median) | $30,780 | — |
| Federal Income Tax | -$1,709 | 5.6% |
| Tennessee State Income Tax | -$0 | 0.0% |
| Social Security (OASDI) | -$1,908 | 6.2% |
| Medicare | -$446 | 1.5% |
| Total Taxes | -$4,064 | 13.2% |
| Take-Home Pay | $26,715 | 86.8% |
Take-home pay varies significantly across experience levels. Here is the after-tax breakdown for each salary percentile of Hydrologic Technicians in Tennessee.
| Percentile | Gross Salary | Total Taxes | Take-Home Pay | Tax Rate |
|---|---|---|---|---|
| 10th Percentile (P10) | $27,730 | -$3,464 | $24,265 | 12.5% |
| 25th Percentile (P25) | $27,730 | -$3,464 | $24,265 | 12.5% |
| Median (P50) | $30,780 | -$4,064 | $26,715 | 13.2% |
| 75th Percentile (P75) | $76,400 | -$14,493 | $61,906 | 19.0% |
| 90th Percentile (P90) | $86,260 | -$17,417 | $68,842 | 20.2% |
Tennessee has no state income tax, which means a Hydrologic Technicians keeps $26,715 of their $30,780 salary — 86.8% of gross pay. Only federal income tax and FICA reduce the paycheck, making Tennessee one of the most tax-friendly states for this occupation.
A Hydrologic Technicians in Tennessee faces an effective total tax rate of only 13.2%, keeping 86.8% of every gross dollar. That leaves $26,716 net out of $30,780 gross — a favorable outcome compared to states with combined rates above 30%.
Tennessee is one of the few states with zero state income tax for wage earners. For a Hydrologic Technicians, that means the only deductions are federal income tax and FICA — no additional state withholding. This typically adds several thousand dollars per year compared to comparable states with income tax.
Federal tax on this Hydrologic Technicians salary is $1,710 (42%), but combined state ($0, 0%) + FICA ($2,355, 58%) make up the other 58% of the bill.
Tennessee sits near the bottom (#28 of 28) for Hydrologic Technicians after-tax earnings. Relocation, negotiation, or credential stacking typically show the clearest ROI in bottom-quartile states.
Translated into paycheck cadences, $26,716 net/year works out to $2,226/month or $1,028/bi-weekly for this Hydrologic Technicians in Tennessee — the numbers that actually hit a checking account after every deduction.
Where does a Hydrologic Technicians keep the most of their paycheck? Top 10 states ranked by after-tax take-home pay.
Tennessee ranks #28 out of 28 states for Hydrologic Technicians after-tax take-home pay.
A Hydrologic Technicians in Tennessee earning a median salary of $30,780 will take home approximately $26,715 per year after federal income tax ($1,709), state income tax ($0), and FICA ($2,354). That is $2,226 per month or $1,027 per bi-weekly paycheck.
The effective total tax rate for a Hydrologic Technicians in Tennessee is 13.2%, broken down as: federal income tax 5.6%, Tennessee state tax 0.0%, and FICA (Social Security + Medicare) 7.6%. This assumes a single filer with the standard deduction for 2024.
No, Tennessee does not levy a state income tax on wages. This means a Hydrologic Technicians in Tennessee only pays federal income tax and FICA taxes, resulting in a lower overall tax burden compared to most other states. The total effective rate is 13.2%.
After all taxes, a Hydrologic Technicians in Tennessee takes home approximately $2,226 per month, or about $12.84 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 $30,780 for Hydrologic Technicians in Tennessee, then subtract: federal income tax using 2024 IRS brackets ($14,600 standard deduction), Tennessee state income tax (no state income tax), Social Security (6.2% up to $168,600), and Medicare (1.45%). The result — $26,715/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