Illinois

Highlights

• #7 of 50: Venture capital
• #8 of 50: Economic output and wealth
• #9 of 50: Scale-ups

The seven inputs

Each input is a z-score against the other states: 0 is the average state, and each step is one standard deviation (capped at ±3). Ranks are among the 50 states.

• Venture capital +0.8 #7 of 50
• Startup formation +0.4 #10 of 50
• Scale-ups +0.6 #9 of 50
• Economic output and wealth +0.8 #8 of 50
• Innovation and patents +0.2 #23 of 50
• Talent +0.7 #9 of 50
• Momentum -0.3 #30 of 50

Top companies

The largest companies headquartered in Illinois, by latest annual revenue.

1. Archer-Daniels-Midland Company ADM · Consumer Staples · Chicago, IL-IN $80.3B
2. Allstate Corporation ALL · Financials · Northbrook · Chicago, IL-IN metro $67.7B
3. AbbVie Inc. ABBV · Healthcare · North Chicago · Chicago, IL-IN metro $61.2B
4. United Airlines Holdings Inc. UAL · Industrials · Chicago, IL-IN $59.1B
5. Abbott Laboratories ABT · Healthcare · Abbott Park · Chicago, IL-IN metro $44.3B

Roots Density Data, All Companies (public: SEC filings; private: Forbes Top Private Companies 2025). Ranked by latest annual revenue.

Metros in Illinois

• Chicago, IL-IN #24 of 109 metros 59
• St. Louis, MO-IL #31 of 109 metros 54
• Davenport–Moline, IA-IL #92 of 109 metros 19
• Peoria, IL #95 of 109 metros 18