Unemployment rate, taxable wage base, minimum wage and withholding
Federal payroll rules are identical everywhere; the money differs by state. What Illinois assigns a new New Boston employer, what wage base it applies, and what its minimum wage requires are below with state sources.
Two free marketplace paths: one form brings back multiple vetted payroll providers who know they are competing for the account.
Illinois assigns new employers a state unemployment tax rate of 3.35% on wages up to a taxable base of $14,250 per employee per year, which is the state-set portion of every New Boston payroll and moves with claims experience over time.
Illinois sets its minimum wage at $15.00, the floor every New Boston hourly rate has to clear before overtime, tip credits and local ordinances are applied on top.
Employers in New Boston's county pay about $42,154 a year per employee on average across 2,200 covered jobs (Census County Business Patterns 2023) - the wage base every unemployment rate and withholding schedule is applied to locally.
Federal payroll rules are identical in every state; the expensive differences are local. Illinois assigns a state unemployment tax rate and a taxable wage base, sets a minimum wage that may sit above the federal floor, and runs its own withholding registration and deposit schedule. Any New Boston payroll quote that does not account for those is a quote for a different business.
Two New Boston businesses with identical payrolls can owe materially different amounts because of Illinois's unemployment tax alone: new employers are assigned a starting rate, experience moves it within a statutory band, and the taxable wage base decides how much of each salary the rate applies to. Both figures are published by the state and shown below with sources.
Put a state payroll setup review out to competing quotes before you compare prices
Two free marketplace paths: one form brings back multiple vetted payroll providers who know they are competing for the account. Competing quotes are the only reliable way to see what your headcount actually prices at.
External links go to the marketplaces' own sites and forms. This site may earn a referral fee at no cost to you - it never changes the data above, and no individual payroll provider pays to appear in our research.
What Illinois adds to every payroll
| Question | Illinois answer |
|---|---|
| State unemployment tax - new employer rate | 3.35% (range 0.75% - 7.05%) |
| Taxable wage base per employee | $14,250 - PARTIALLY primary-confirmed |
| State minimum wage | $15.00 - Tipped employees may be paid 60% of the minimum wage ($9.00) provided tips bring them to $15.00 |
| State income tax withholding | flat 4.95% |
Illinois recomputes a statewide 'State Experience Factor' every year (102% for 2026) that scales every employer's rate, and it charges staffing/waste-management employers (NAICS sector 56) a higher new-employer rate of 3.45% instead of the standard 3.35%.
This page is independent research, not legal, tax or accounting advice. Federal deposit rules and state wage, unemployment and final-paycheck laws change - verify current requirements with the IRS and your state labor and revenue agencies, or with a licensed CPA or attorney, before acting.
Why two identical New Boston payrolls owe different amounts
Unemployment tax is charged as a rate against a capped amount of each employee's wages, and both halves of that formula are state decisions. A new New Boston employer is assigned a starting rate; once there is claims history the rate moves within the state's statutory band. The wage base decides how much of a salary the rate touches - which is why a state with a high base and a low rate can cost more than the reverse. Neither number is negotiable, but both are worth knowing before comparing payroll quotes that quietly assume one state.
What this means in New Boston
Withheld income tax and the employee share of FICA are trust funds - money that was never the company's. That is why the Trust Fund Recovery Penalty can reach an owner or officer personally, and why 'the company can't pay' is not an exit from this particular bill.
This page is independent research, not legal, tax or accounting advice. Federal deposit rules and state wage, unemployment and final-paycheck laws change - verify current requirements with the IRS and your state labor and revenue agencies, or with a licensed CPA or attorney, before acting.
Put a state payroll setup review out to competing quotes before you compare prices
Two free marketplace paths: one form brings back multiple vetted payroll providers who know they are competing for the account. Competing quotes are the only reliable way to see what your headcount actually prices at.
External links go to the marketplaces' own sites and forms. This site may earn a referral fee at no cost to you - it never changes the data above, and no individual payroll provider pays to appear in our research.
Common questions
If my payroll provider files late, who pays the IRS penalty?
The employer is responsible to the IRS regardless. The IRS states that outsourcing payroll duties does not relieve an employer of the responsibility to deposit and report employment taxes - the notice follows your EIN. Many providers offer a contractual guarantee to cover penalties they cause, but that is a private contract, not a change in tax liability. Get the guarantee, its limits and its claim process in writing.
When does a final paycheck have to be paid?
That is set by state law, and it differs for employees who are fired versus employees who quit. Several states require immediate payment on termination; others allow the next regular payday; a few add a penalty that accrues per day until the check is delivered. Unused vacation payout is likewise state-specific. The rule for Illinois is on this site's final-paycheck page with its source.
Is payroll priced per employee or per payroll run?
Both models exist. The common structure is a monthly base fee plus a per-employee fee, which is predictable regardless of how often you run payroll. A per-run model charges each time you process, which favors businesses paying monthly and penalizes weekly payrolls. Ask for the all-in annual total under your actual pay frequency - that single number makes the two models comparable.
What is state unemployment tax and why does my rate change?
Every employer pays state unemployment insurance tax on each employee's wages up to a state taxable wage base. New employers are assigned a starting rate; after enough history, the rate moves within a statutory band based on claims experience. Two identical payrolls can owe very different amounts because both the rate and the wage base are set state by state - the Illinois figures are published on this site's state page.
How much does payroll cost per employee per month?
Per-employee fees cluster at $4-$15 dollars per month on top of the base fee for standard payroll software and services. Fully outsourced processing and PEO-style arrangements are quoted differently - commonly $30-$100 dollars per person per month or a percentage of gross payroll - and bundle benefits administration and compliance work that standard payroll does not include.
Put a state payroll setup review out to competing quotes before you compare prices
Two free marketplace paths: one form brings back multiple vetted payroll providers who know they are competing for the account. Competing quotes are the only reliable way to see what your headcount actually prices at.
External links go to the marketplaces' own sites and forms. This site may earn a referral fee at no cost to you - it never changes the data above, and no individual payroll provider pays to appear in our research.
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