
Let’s talk about income tax. Yeah, that thing you see on your paycheck and sometimes wish didn’t exist. For most of us, it is a simple fact of financial life. Money comes in, and a portion goes to the government. But it was not always this way.
The journey to our modern system is a story of war, constitutional amendments, and major political shifts. Understanding this history is the first step to understanding your own taxes today.
This article breaks down everything you need to know. We will cover when income tax started, how it works, and answer the questions you are actually typing into search engines.
How Income Tax Started?
Before the federal income tax, the U.S. government funded itself mainly through tariffs on imported goods. The idea of taxing a citizen’s personal earnings was highly controversial. The Constitution even had a rule that made it nearly impossible.
The first federal income tax was born out of necessity during the Civil War. In 1861, to pay for the enormous costs of the war, Congress passed an income tax law.
Believe it or not, the first federal income tax came about during the Civil War. Congress needed cash to pay for the war, so they slapped a tax on earnings. It was temporary and went away after the war.
The real turning point came in 1913 with the 16th Amendment. That’s when the government got permanent authority to tax your income. Back then, only the rich had to pay. Today, almost everyone does, and it funds a ton of essential stuff.
So next time you grumble about taxes, remember: it’s not just taking your money, it’s keeping the country running.

What Exactly Is Income Tax?
Here’s the simple truth: income tax is a percentage of your earnings that goes to the government. That’s it. Your state, deductions, credits, and income all affect how much you pay. Consider it as a collective duty. Roads, schools, hospitals, defense, they all get money from income tax. And if you want to avoid surprises, knowing how it works is key.
Federal Income Tax Brackets
The progressive tax system in the United States essentially means that your rate will increase as your income increases. Here’s a quick look at 2025 brackets
| Taxable Income | Tax Rate | Notes / Max Tax in Bracket |
| $0 – $11,000 | 10% | Pay up to $1,100 in this bracket |
| $11,001 – $44,725 | 12% | Pay up to $5,082 in this bracket |
| $44,726 – $95,375 | 22% | Pay up to $11,144 in this bracket |
| $95,376 – $182,100 | 24% | Pay up to $20,780 in this bracket |
| $182,101 – $231,250 | 32% | Pay up to $15,712 in this bracket |
| $231,251 – $578,125 | 35% | Pay up to $121,306 in this bracket |
| $578,126 and above | 37% | Applies to income above $578,125 |
A federal income tax calculator can make this way easier. Plug in your numbers and you’ll see roughly what you owe.
State Income Tax: Not All States Are Equal
Here’s the thing: not every state taxes income. Florida, Texas, and Washington don’t. But Illinois, for example, has a flat Illinois state income tax of 4.95%. If your state has income tax, it matters. It affects take-home pay, savings, and even where you might want to work. Knowing your state rules can save you a bunch of money.
States With No Income Tax
Not every state taxes your income. If you’re curious where your paycheck stays mostly in your pocket, here’s the list:
| State | Notes |
| Alaska | No state income tax; relies on oil revenues and other sources |
| Florida | No state income tax; popular for retirees |
| Nevada | No state income tax; relies on tourism and gaming |
| South Dakota | No state income tax; relies on sales and property taxes |
| Texas | No state income tax; large population, high property taxes |
| Washington | No state income tax; relies on sales tax and business taxes |
| Wyoming | No state income tax; relies on mineral revenues |
| Tennessee | No wage tax; interest and dividends were formerly subject to the Hall Tax, which has since been completely repealed. |
Let’s say you make $60,000. Although there is no state income tax in Texas, you may have to pay slightly higher property or sales taxes. You would pay a flat Illinois state income tax of 4.95% in Illinois, which would lower your take-home earnings.
It’s important to know which states don’t impose income taxes when you’re planning for retirement, transferring, or negotiating a job offer. What ends up in your pocket may actually change as a result of it.
Income Tax and Retirement
Taxes and retirement go hand in hand. Take a 401k, you contribute pre-tax money, which lowers your taxable income now. That means less income tax this year. The catch? You pay it later when you retire. Using the best retirement calculator can help. It shows how much your savings grow, what taxes you’ll pay later, and how much you should contribute now.
Planning ahead = less stress later.
Earned Income Tax Credit
The earned income tax credit is a lifesaver for those with lower to moderate incomes.You might be eligible for a refund or a reduction in your income tax obligation. Many people don’t know they are qualified, therefore they miss it. Check it annually, particularly if you have children or your income increases.

- Free Income Tax Filing
Here’s a tip: filing taxes doesn’t have to cost money. Free income tax filing programs exist for people who qualify. The IRS partners with online platforms to make it simple and free. It’s a smart way to avoid paying for something you can do yourself.
- Politics and Income Tax
Taxes are always a hot topic. People ask, “Is Trump getting rid of income tax?” or debate changes in the Trump income tax plan. While rates and brackets may shift, income tax isn’t going anywhere. It’s too essential for government funding.
How Much Federal Income Tax Do You Pay?
Your income, credits, and deductions will determine that. While the ordinary American pays between 14 and 22%, the earnings can reach 37%. A federal income tax calculator, which takes into consideration deductions like retirement contributions, charitable donations, and mortgage interest, can be used to determine it prior to filing.

Tips to Make Income Tax Less Painful
- Track Your Income and Expenses: Don’t wait until April. Maintain records and receipts all year long.
- Contribute to retirement accounts: You can reduce your taxable income by making contributions to an IRA or 401(k).
- Claim Credits: Your debt is reduced by the Earned Income Tax Credit (EITC), education credits, and other deductions.
- Be Aware of State Laws: State income taxes may alter your approach.
- Request Assistance: You can avoid difficulties and save money by hiring a tax specialist.
Conclusion:
Even though income taxes may seem like a hassle, you don’t have to let them rule your life. Making better judgments begins when you comprehend the fundamentals of how federal and state laws operate, what your Illinois state income tax or other income tax-free states imply to you, and how credits like the earned income tax credit can assist.
Frequently Asked Questions
What is income tax?
Think of income tax as your share of keeping the country running. A slice of what you earn goes to pay for roads, schools, hospitals, and other stuff we all rely on. It’s not fun, but it keeps things moving.
When did income tax start?
It first popped up during the Civil War to fund the army. After the war, it went away. Then in 1913, the 16th Amendment made it permanent. Back then, mostly rich people paid it, but now almost everyone chips in.
What is a 401k?
A 401k is your little retirement helper. You put money in before taxes, which lowers your taxable income today. Later, when you retire and take it out, you pay taxes then. It’s like a way to save now and pay later, and it helps you keep more money in the long run.
How much is federal income tax?
Depends on what you make. Rates go from 10% to 37%. But don’t freak out, deductions, credits, and your 401k can lower that number. Using a federal income tax calculator makes it easy to know exactly what you’re looking at.
What is the earned income tax credit?
The EITC is basically a little bonus from the government for low-to-moderate earners. It can cut down the income tax you owe or even give you a refund. Tons of people miss it, so check if you qualify, it could be hundreds or even thousands back in your pocket.
Which states have no income tax?
Some states don’t take a slice of your paycheck at all, think Florida, Texas, Washington, Alaska, Nevada, South Dakota, Tennessee, and Wyoming. You might pay a bit more in sales or property taxes, but your paycheck goes a lot further there.
Is Trump getting rid of income tax?
Lots of talk about changing taxes, including the Trump income tax proposals. But the reality? Income tax isn’t going anywhere. It’s how the government pays for the stuff we all rely on.
What is the Illinois income tax rate?
If you live in Illinois, the state takes 4.95% of your income. Flat rate, simple math, same for everyone.
How do I file for free income tax filing?
Super easy. The IRS works with online platforms where eligible taxpayers can file both federal and state taxes for free. No hidden fees, no stress.
How do I calculate federal income tax?
Use a federal income tax calculator. Put in your income, deductions, and credits, and it tells you what you’ll owe. Think of it as your personal cheat sheet for taxes.