$3.74B a year in installed residential exterior wall systems demand across 33 metro and micropolitan areas — #4 of 52 (the 50 states, DC and Puerto Rico).
The Illinois exterior wall systems market is about $3.74B a year in installed residential demand (4.6% of the US total), ranking #4 of 52 states and jurisdictions (the 50 states, DC and Puerto Rico, where modeled). The largest metro is Chicago, IL at $2.47B of Illinois demand. Statewide, the market is roughly 288,553 jobs a year: $3.56B replacement on existing homes and $181.49M new single-family construction.
Every modeled metro with homes in Illinois. A metro that crosses a state line shows only the share of its demand inside Illinois; firm counts, scores and saturation describe the whole metro. Each links to its full market file.
| # | Metro | Siding & Exterior | Windows & Doors | Total in IL | Share of state |
|---|---|---|---|---|---|
| 1 | Chicago, IL (89% in IL) | $1.34B | $1.13B | $2.47B | 65.9% |
| 2 | St. Louis, MO (26% in IL) | $154.31M | $129.66M | $283.97M | 7.6% |
| 3 | Peoria, IL | $80.13M | $68.80M | $148.94M | 4.0% |
| 4 | Rockford, IL | $67.89M | $56.64M | $124.54M | 3.3% |
| 5 | Davenport, IA (58% in IL) | $50.11M | $42.46M | $92.56M | 2.5% |
| 6 | Springfield, IL | $45.43M | $38.24M | $83.67M | 2.2% |
| 7 | Ottawa, IL | $29.79M | $27.42M | $57.21M | 1.5% |
| 8 | Champaign, IL | $28.03M | $26.25M | $54.28M | 1.5% |
| 9 | Bloomington, IL | $25.18M | $22.51M | $47.68M | 1.3% |
| 10 | Decatur, IL | $22.92M | $19.62M | $42.54M | 1.1% |
| 11 | Danville, IL | $15.81M | $13.88M | $29.69M | 0.8% |
| 12 | Kankakee, IL | $14.75M | $14.33M | $29.08M | 0.8% |
| 13 | Quincy, IL (87% in IL) | $13.56M | $11.99M | $25.56M | 0.7% |
| 14 | Marion, IL | $12.92M | $10.99M | $23.91M | 0.6% |
| 15 | Sterling, IL | $11.94M | $10.80M | $22.74M | 0.6% |
| 16 | Galesburg, IL | $8.86M | $8.59M | $17.45M | 0.5% |
| 17 | Freeport, IL | $8.78M | $8.23M | $17.01M | 0.5% |
| 18 | Canton, IL | $8.53M | $7.31M | $15.84M | 0.4% |
| 19 | Taylorville, IL | $8.03M | $6.90M | $14.93M | 0.4% |
| 20 | Rochelle, IL | $7.29M | $7.51M | $14.80M | 0.4% |
| 21 | Charleston, IL | $7.51M | $6.88M | $14.39M | 0.4% |
| 22 | Dixon, IL | $7.16M | $6.29M | $13.45M | 0.4% |
| 23 | Jacksonville, IL | $7.01M | $6.43M | $13.44M | 0.4% |
| 24 | Effingham, IL | $6.45M | $6.57M | $13.02M | 0.3% |
| 25 | Carbondale, IL | $6.70M | $5.92M | $12.63M | 0.3% |
| 26 | Pontiac, IL | $5.94M | $6.03M | $11.98M | 0.3% |
| 27 | Macomb, IL | $5.57M | $4.72M | $10.29M | 0.3% |
| 28 | Lincoln, IL | $5.34M | $4.78M | $10.12M | 0.3% |
| 29 | Centralia, IL | $4.72M | $5.09M | $9.81M | 0.3% |
| 30 | Mount Vernon, IL | $3.86M | $4.33M | $8.19M | 0.2% |
| 31 | Paducah, KY (15% in IL) | $2.47M | $2.25M | $4.72M | 0.1% |
| 32 | Burlington, IA (16% in IL) | $1.61M | $1.45M | $3.07M | 0.1% |
| 33 | Cape Girardeau, MO (7% in IL) | $812.59K | $800.44K | $1.61M | 0.0% |
All states (CSV) All 935 metros (CSV)
Also on Kaggle · Hugging Face, ready to load into a notebook.
Illinois's metro areas had 2,937,351 single-family detached homes in the 2019–23 Census survey, against 2,903,396 in 2014–18: the stock grew 1.2% over five years. Population changed −0.9% over the same years. Those homes are the base exterior wall systems replacement demand is sized on. The dollar market size itself has no measured history, so no growth rate is published for it.
Census Building Permits Survey, 28 metros whose primary state is Illinois and that report every year.
NOAA Storm Events, 28 metros, every year loaded. Hail pulls exterior wall systems replacement forward.
The Illinois exterior wall systems market is about $3.74B a year in installed residential demand (4.6% of the US total), ranking #4 of 52 states and jurisdictions (the 50 states, DC and Puerto Rico, where modeled). The largest metro is Chicago, IL at $2.47B of Illinois demand. Statewide, the market is roughly 288,553 jobs a year: $3.56B replacement on existing homes and $181.49M new single-family construction.
Chicago, IL $2.47B; St. Louis, MO $283.97M; Peoria, IL $148.94M; Rockford, IL $124.54M; Davenport, IA $92.56M. 33 metro and micropolitan areas in Illinois are modeled.
Illinois's metro areas had 2,937,351 single-family detached homes in the 2019–23 Census survey, against 2,903,396 in 2014–18: the stock grew 1.2% over five years. Population changed −0.9% over the same years. Those homes are the base exterior wall systems replacement demand is sized on. The dollar market size itself has no measured history, so no growth rate is published for it.
Bottom-up, metro by metro: owner-occupied single-family homes divided by the line's service life, adjusted for housing age and hail exposure, priced at the model's average ticket, plus single-family permits at a builder price. Metros that cross a state line are split by single-family housing in each county. Rural counties outside a metro are not modeled.
Free to reuse, including commercially, with credit (CC BY 4.0). Suggested citation:
NextTerritory (2026). Illinois Exterior Wall Systems Market Size. https://nextterritory.com/us-exterior-wall-systems-market/illinois. Licensed CC BY 4.0.
States ranked near Illinois, and the other exterior lines here.
US exterior wall systems market size, all states → · Methodology