Last updated: 2025 BLS data · Page refreshed:
How much does a Hydrologic Technicians actually take home in Kentucky?
4.0% flat rate — 21.1% 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 $65,170 in Kentucky (single filer, standard deduction).
| Tax Component | Annual Amount | Effective Rate |
|---|---|---|
| Gross Salary (Median) | $65,170 | — |
| Federal Income Tax | -$6,178 | 9.5% |
| Kentucky State Income Tax | -$2,606 | 4.0% |
| Social Security (OASDI) | -$4,040 | 6.2% |
| Medicare | -$944 | 1.5% |
| Total Taxes | -$13,770 | 21.1% |
| Take-Home Pay | $51,399 | 78.9% |
Take-home pay varies significantly across experience levels. Here is the after-tax breakdown for each salary percentile of Hydrologic Technicians in Kentucky.
| Percentile | Gross Salary | Total Taxes | Take-Home Pay | Tax Rate |
|---|---|---|---|---|
| 10th Percentile (P10) | $44,950 | -$8,646 | $36,303 | 19.2% |
| 25th Percentile (P25) | $55,330 | -$11,101 | $44,228 | 20.1% |
| Median (P50) | $65,170 | -$13,770 | $51,399 | 21.1% |
| 75th Percentile (P75) | $80,090 | -$18,791 | $61,298 | 23.5% |
| 90th Percentile (P90) | $96,100 | -$24,178 | $71,921 | 25.2% |
After federal income tax ($6,178), state tax ($2,606), and FICA ($4,985), a Hydrologic Technicians in Kentucky takes home $51,399 per year — or $4,283 per month. The effective tax rate of 21.1% is relatively low compared to the national range.
With an effective total rate of 21.1%, a Hydrologic Technicians in Kentucky keeps $51,399 of $65,170 gross — roughly typical for U.S. middle-income earners once federal, FICA and state taxes are combined.
Kentucky applies a flat state income tax — every dollar of wage income is taxed at the same rate. For this Hydrologic Technicians salary that contributes $2,607 to the 4.0% effective state-tax burden.
Federal tax on this Hydrologic Technicians salary is $6,178 (45%), but combined state ($2,607, 19%) + FICA ($4,986, 36%) make up the other 55% of the bill.
Moving this same Hydrologic Technicians salary to a zero-state-tax state would yield around $54,006 net — a gain of $2,607 (5.1%) per year versus Kentucky.
Kentucky ranks #16 of 28 states for Hydrologic Technicians after-tax pay — lower half of the national distribution. Either gross wages trail the national median, state tax is elevated, or both.
Translated into paycheck cadences, $51,399 net/year works out to $4,283/month or $1,977/bi-weekly for this Hydrologic Technicians in Kentucky — 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.
Kentucky ranks #16 out of 28 states for Hydrologic Technicians after-tax take-home pay.
A Hydrologic Technicians in Kentucky earning a median salary of $65,170 will take home approximately $51,399 per year after federal income tax ($6,178), state income tax ($2,606), and FICA ($4,985). That is $4,283 per month or $1,976 per bi-weekly paycheck.
The effective total tax rate for a Hydrologic Technicians in Kentucky is 21.1%, broken down as: federal income tax 9.5%, Kentucky state tax 4.0%, and FICA (Social Security + Medicare) 7.7%. This assumes a single filer with the standard deduction for 2024.
Kentucky has a 4.0% flat rate. On a Hydrologic Technicians's median salary of $65,170, the state income tax amounts to $2,606 per year, which is an effective state rate of 4.0%.
After all taxes, a Hydrologic Technicians in Kentucky takes home approximately $4,283 per month, or about $24.71 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 $65,170 for Hydrologic Technicians in Kentucky, then subtract: federal income tax using 2024 IRS brackets ($14,600 standard deduction), Kentucky state income tax (4.0% flat rate), Social Security (6.2% up to $168,600), and Medicare (1.45%). The result — $51,399/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