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Arizona vs Illinois: contractor markets, side by side

Arizona has 43,960 active licensed contractors across the trades we cover; Illinois has 15,797: about 2.8× more licensed contractors. Counts come from the Arizona Registrar of Contractors (ROC) and the IDFPR + Chicago Department of Buildings; market figures are U.S. Census aggregates.

 ArizonaIllinois
Active licensed contractors43,96015,797
Licenses per 10k residents61.312.4
Residents7,173,96212,757,583
Households3,098,3645,427,336
Median household income$76,830$84,033
Building permits (2025)51,53218,551
Top city by licensesPhoenixChicago

Arizona is the denser market: 61.3 active licenses per 10k residents against 12.4 in Illinois. Density cuts both ways: more contractors to sell to per square mile, and more competition per job for the contractors themselves.

Household income runs higher in Illinois: $84,033 median against $76,830 in Arizona, which generally shows up in project budgets and ticket sizes.

Trade by trade

Counts are active licenses only, from each state's license board. A “—” means that board doesn't issue a statewide license for the trade, not that the trade doesn't exist there.

Arizona vs Illinois: common questions

Does Arizona or Illinois have more licensed contractors?

Arizona has more: 43,960 active licensed contractors against 15,797 in Illinois, about 2.8× more licensed contractors. Counts come from the Arizona Registrar of Contractors (ROC) and the IDFPR + Chicago Department of Buildings.

Which has the denser contractor market, Arizona or Illinois?

Arizona is denser: 61.3 active licenses per 10k residents against 12.4 in Illinois.

Where does household income run higher, Arizona or Illinois?

Illinois: $84,033 median household income against $76,830 in Arizona, per U.S. Census aggregates.

Where does this Arizona vs Illinois comparison data come from?

License counts come straight from the Arizona Registrar of Contractors (ROC) and the IDFPR + Chicago Department of Buildings; population, household, income, and permit figures are U.S. Census aggregates. Only active licenses are counted.