Manufacturing Economy Monitor

Chemical Products Manufacturing in Illinois

Chemical Products manufacturing added $37.5B of value to Illinois's economy in 2025, up 6.0% year over year. That ranks Illinois 4th of 50 states and DC for this industry. It is 26.7% of Illinois's manufacturing output. Nationally, chemical products is a $579B industry (the largest of the 19 manufacturing subsectors), per the U.S. Bureau of Economic Analysis.

Output and rank

  • Value added: $37.5B in 2025, #4 of 50 states and DC for this industry.
  • Growth: +6% year over year.
  • Share of Illinois's manufacturing: 26.7% of the state's total manufacturing value added.
  • National context: chemical products is a $579B industry nationally, #1 of the 19 manufacturing subsectors (+5.6% year over year).
  • Classification: nondurable goods manufacturing (BEA subsector 325).

Frequently asked questions

  • How big is the chemical products industry in Illinois? Chemical Products added $37.5B of value in Illinois in 2025, ranking the state 4th of 50 states and DC for this industry, per BEA state GDP-by-industry data.
  • Is chemical products growing in Illinois? Illinois's chemical products output grew 6.0% year over year to 2025. The chart above traces the full annual series since 1997.
  • What share of Illinois's manufacturing is chemical products? Chemical Products is 26.7% of Illinois's total manufacturing value added in 2025, per BEA state GDP-by-industry data.

About this data

  • Source: U.S. Bureau of Economic Analysis (public domain). National quarterly values are seasonally adjusted annual rates. Corporate-profit industry detail reflects inventory valuation adjustment without capital consumption adjustment, per NIPA table 6.16D conventions.

Last reviewed 2026-10-01.