Decatur, IL · BLS OEWS & BEA Regional Data

Administrative Assistant Salary in Decatur, IL

In the Decatur, IL metropolitan area, administrative assistants earned a median annual wage of $42,700 ($20.53/hour) in the BLS May 2025 OEWS survey. The 10th percentile was $28,200/year and the 90th was $67,900/year; these percentiles do not measure years of experience. Applying 2026 federal and Illinois tax rules to the survey median leaves an estimated $34,521 in take-home pay. The metro price index is 88.4 against a national baseline of 100.

Wage Benchmark Overview

Median Annual Salary

$42,700$20.53 per hour · $3,558 monthly
10th Percentile$28,200$13.56/hr base
25th Percentile$34,500$16.59/hr base
75th Percentile$54,100$26.01/hr base
90th Percentile$67,900$32.64/hr base

Run the numbers on your own pay

Same U.S. tax tables as the rest of the site. Change the salary, state, or filing status.

Take-Home Pay Explorer

$42,700
$15,000$90,000
Filing status:
Gross salary breakdown$42,700
Net 81%
Fed 7%
IL 5%
FICA 8%
Annual take-home$34,521After all taxes
Monthly deposit$2,877Estimated per month
Biweekly paycheck$1,328Every 2 weeks (26/yr)
Effective tax rate19.2%Total tax burden
Federal income tax$2,944 / yr
Illinois state income tax$1,969 / yr
FICA (Social Security & Medicare)$3,267 / yr

Secretaries and Administrative Assistants Wage Percentiles in Decatur, IL

Official survey estimates from the U.S. Bureau of Labor Statistics (BLS). Full-time calculations assume standard 2,080 annual working hours.

Wage Distribution for Secretaries and Administrative Assistants in the Decatur, IL Metropolitan Area
Earning TierHourly WageMonthly GrossAnnual GrossEst. Annual Net (IL)
10th Percentile$13.56/hr$2,350$28,200$23,582
25th Percentile$16.59/hr$2,875$34,500$28,338
Median (50th Percentile)Metro Benchmark$20.53/hr$3,558$42,700$34,521
75th Percentile$26.01/hr$4,508$54,100$43,116
90th Percentile$32.64/hr$5,658$67,900$53,381

Cost of Living & Purchasing Power in Decatur, IL

A dollar does not buy the same basket of goods everywhere. Compare how $$42,700 measures up against local economic conditions:

Metro Median Household Income$62,666Census Bureau ACS
BEA Price Parity Index88.411.6% below national average
Individual vs Household Ratio68.1%of area median income

Compare administrative assistants salaries statewide and examine overall earnings in Illinois:

Frequently Asked Questions About Secretaries and Administrative Assistants Pay in Decatur, IL

What is the median salary for administrative assistants in Decatur, IL?

The official BLS median annual wage for administrative assistants in Decatur, IL is $42,700, which equates to approximately $3,558 per month or $20.53 per hour for a 2,080-hour work year.

What is the hourly pay for administrative assistants in Decatur, IL?

The median hourly wage for administrative assistants in Decatur, IL is $20.53 per hour based on the BLS survey. One in ten earned less than $13.56/hour and one in ten earned more than $32.64/hour.

What is the pay range for administrative assistants in Decatur, IL?

BLS wage estimates for administrative assistants in Decatur, IL span from $28,200 at the 10th percentile to $34,500 at the 25th, $54,100 at the 75th, and $67,900 at the 90th. These are wage distribution points, not experience levels.

How much do administrative assistants take home after taxes in Decatur, IL?

On a median gross salary of $42,700, an estimated $34,521 lands in net take-home pay per year ($1,328 biweekly) for a single filer claiming the standard deduction in Illinois in 2026. Total tax withholding equals $8,179 (an effective rate of 19.2%).

How much do administrative assistants make per month in Decatur, IL?

On the median annual salary of $42,700, gross monthly income is $3,558. After federal, FICA, and Illinois state income taxes, estimated net take-home pay is $2,877 per month (or $1,328 every two weeks).

Is $42,700 a good salary in Decatur, IL?

At $42,700, the median salary for administrative assistants is 68.1% of the Decatur, IL median household income ($62,666). According to the U.S. Bureau of Economic Analysis (BEA), the metropolitan price parity index is 88.4, making regional consumer goods and services 11.6% cheaper than the U.S. average.