Dental Hygienist Salary in Illinois 2026,
$96,670 Median | BLS Data by City

Illinois dental hygienists earn a median $96,670 a year, $46.48 an hour, per BLS OEWS May 2025, with the middle half between $79,400 and $101,800 and a full range of $74,280 to $118,410. That is 1.5% below the $98,100 national median, and Illinois taxes it at a flat 4.95%.

Chicago-Naperville-Elgin at $100,260, well clear of Rockford at $86,120, Springfield at $83,070, Champaign-Urbana at $81,110 and Decatur at $80,930. The twenty-thousand-dollar spread between Chicago and Decatur is one of the widest metro gaps in Illinois healthcare, and it is why the statewide median of $96,670 sits closer to Chicago's figure than to downstate's.

The Illinois Department of Financial and Professional Regulation, through its Board of Dentistry. Licensure requires graduation from a CODA-accredited dental hygiene programme, the national board examination and a regional clinical examination, plus the state's application. IDFPR also governs the expanded functions Illinois hygienists may perform, including local anaesthesia administration under defined conditions, which is a genuine scope and pay differentiator.

Illinois applies a flat 4.95% rate to all wage income with a $2,925 personal exemption allowance in 2026, and no Illinois city levies a local income tax on wages — including Chicago. At the state median of $96,670, that flat structure is favourable compared with a graduated state at the same income. Part-time hygienists, however, pay the same 4.95% marginal rate as anyone else.

Very. Dental hygiene nationally has a high share of part-time and multi-practice working, and Illinois is no exception — many hygienists split three or four days between two general practices. That matters for reading this page: the $74,280 tenth percentile partly reflects reduced schedules rather than low hourly rates, and the annualised figures assume consistent hours that a substantial part of the workforce does not work.

Because the Chicago metro's dental market is both denser and more commercially organised than downstate Illinois. Chicago-Naperville-Elgin at $100,260 supports high-volume general practices, a large periodontal and specialty sector, and dental service organisations paying competitive scheduled rates. Rockford at $86,120, Springfield at $83,070, Champaign-Urbana at $81,110 and Decatur at $80,930 are smaller markets with fewer practices bidding for hygienists and lower patient volumes per chair. The statewide median of $96,670 blends the two.

The band's lower half is compressed — $74,280 to $79,400 between the tenth and twenty-fifth percentiles — which understates how much of the variation in this profession comes from hours worked rather than rate earned. A four-day hygienist in a Chicago practice and a full-time hygienist in Decatur can report similar annual figures for entirely different reasons. Read the hourly median of $46.48 alongside the annual number rather than instead of it.

Scope, schedule and setting. Expanded functions authorised under IDFPR rules — local anaesthesia administration in particular — change what a hygienist can be scheduled for and are the clearest formal differentiator. Periodontal therapy caseloads pay above routine prophylaxis. Beyond that, the Chicago metro at $100,260 pays a genuine premium over the rest of the state, and full-time schedules with a single employer are what carry a hygienist to the $101,800 seventy-fifth percentile and toward the $118,410 ninetieth.