Administrative assistant salary in Illinois
The median administrative assistant in Illinois earns $48,310 a year, or $23.23 an hour, in the Bureau of Labor Statistics’ May 2025 survey. That is 2% above the national median of $47,540, and 17th of the 54 states and territories BLS publishes.
The middle half of Illinois’s 74,280 administrative assistants earn between $39,050 and $61,180. The highest paying metro area in the state is Bloomington, IL, at $51,880.
Liaison does the routine half of an administrative assistant’s job for 12% of what one costs in Illinois. See how.
Administrative assistant salary by city in Illinois
Every metro area in Illinois where BLS publishes a median for administrative assistants, highest first. A metro that crosses a state line appears under each of its states.
| Metro area | Median annual | Median hourly | Middle half earns | Employed |
|---|---|---|---|---|
| Bloomington, IL | $51,880 | $24.94 | $41,950 to $64,610 | 930 |
| Chicago-Naperville-Elgin, IL-IN | $50,440 | $24.25 | $42,260 to $62,970 | 50,190 |
| Champaign-Urbana, IL | $48,260 | $23.20 | $38,510 to $63,200 | 1,220 |
| Springfield, IL | $47,550 | $22.86 | $39,520 to $60,110 | 1,290 |
| Peoria, IL | $46,550 | $22.38 | $38,200 to $56,320 | 2,010 |
| St. Louis, MO-IL | $46,200 | $22.21 | $38,200 to $53,550 | 15,000 |
| Rockford, IL | $46,130 | $22.18 | $38,980 to $56,840 | 1,360 |
| Decatur, IL | $45,890 | $22.06 | $38,570 to $53,210 | 500 |
| Davenport-Moline-Rock Island, IA-IL | $45,710 | $21.97 | $37,810 to $53,200 | 1,670 |
| Kankakee, IL | $44,740 | $21.51 | $37,120 to $53,960 | 540 |
| Paducah, KY-IL | $41,820 | $20.10 | $34,660 to $48,900 | 410 |
| Cape Girardeau, MO-IL | $37,480 | $18.02 | $31,600 to $42,020 | 500 |
What an administrative assistant costs an employer in Illinois
Wages are the start. At employers with fewer than 50 workers, benefits add 35% on top (BLS Employer Costs for Employee Compensation), so an administrative assistant at the Illinois median costs about $65,200 a year. The employer’s view for every state and metro is on what an administrative assistant costs, and the routine part of the job is what Liaison does inside the tools a business already runs.
The routine half of an administrative assistant’s job, for 12% of what one costs in Illinois.
- Answers the routine email in your voice, from your own inbox, and files what needs filing.
- Books, reschedules and confirms appointments from your own calendar.
- Keeps the records straight across the inbox, the CRM and the calendar, so nothing is typed twice.
Professional is $629 a month, $7,548 a year, against about $65,200 a year for an administrative assistant at the Illinois median once benefits are added. On Professional we connect your tools, bring your data in and set up the first rules with you. Anything that moves money waits for your yes.
“Cut our month-end close from 4 days to 4 hours.” Marcus C., owner
$629 a month, or $500 a month on a 12-month term. Prefer to start on your own? Starter is $149 a month, self-serve, with a free trial first: 7 days, no card. More: AI office manager.
Questions
How much does an administrative assistant make in Illinois?
The median administrative assistant in Illinois earned $48,310 a year, or $23.23 an hour, in May 2025. The middle half earned between $39,050 and $61,180. Nationally the median is $47,540, so Illinois pays 2% more than the country as a whole.
Which cities in Illinois pay administrative assistants the most?
Bloomington, IL ($51,880), Chicago-Naperville-Elgin, IL-IN ($50,440) and Champaign-Urbana, IL ($48,260).
What does an administrative assistant cost an employer in Illinois?
Benefits at employers with fewer than 50 workers add 35% on top of wages, so an administrative assistant at the Illinois median costs about $65,200 a year. The employer’s view is at useliaison.com/back-office-costs/administrative-assistant.
Administrative assistant salary in other states
Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025, occupation 43-6014. Annual figures assume 2,080 hours a year. Updated 2026-10-02.
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