Cook County, IL — 2026 YTD
Cook County, IL indexed 2,828 development projects YTD in 2026 (through 2026-09-03). Residential leads at 10% (289 projects). Palatine is the most active city (902 projects), followed by Winnetka (438).
Data through September 3, 2026 · Updated September 4, 2026 · America/Denver · Refreshed weekly
YTD Projects
2,828
Cities in County
56
County activity by period
| Period | Projects |
|---|---|
| Year to date (Jan 1 – Sep 3, 2026) | 2,828 |
| August 2026 | 18 |
| This week (Aug 31 – Sep 3, 2026) | 0 |
Projects by Type (YTD)
| Type | Projects |
|---|---|
| Residential | 289 |
| Civic Actions | 183 |
| Commercial | 142 |
| Infrastructure | 26 |
| Industrial | 20 |
| Institutional/Public | 18 |
| Governmental | 10 |
Cities in Cook County
City-level counts for YTD 2026. Linked cities have enough distinct activity for a standalone page.
| City | YTD Projects | Top Type |
|---|---|---|
| Palatine | 902 | Residential |
| Winnetka | 438 | Residential |
| Hoffman Estates | 120 | Residential |
| Morton Grove | 115 | Commercial |
| Homewood | 91 | Civic Actions |
| Evanston | 81 | Civic Actions |
| Northbrook | 81 | Civic Actions |
| Chicago Heights | 63 | Commercial |
| Skokie | 57 | Commercial |
| Tinley Park | 47 | Commercial |
| La Grange | 45 | — |
| Lemont | 44 | — |
| Western Springs | 37 | Infrastructure |
| Arlington Heights | 36 | Civic Actions |
| Blue Island | 35 | Civic Actions |
| Glencoe | 34 | — |
| Brookfield | 30 | Civic Actions |
| Stone Park | 28 | Commercial |
| Park Ridge | 28 | Commercial |
| Kenilworth | 25 | — |
| Park Forest | 24 | Civic Actions |
| Oak Forest | 24 | Civic Actions |
| Oak Park | 23 | Governmental |
| Hazel Crest | 22 | Infrastructure |
| Lansing | 22 | — |
| Schiller Park | 20 | — |
| Phoenix | 20 | Civic Actions |
| Burr Ridge | 16 | — |
| South Chicago Heights | 16 | Civic Actions |
| Cicero | 16 | Civic Actions |
| South Barrington | 15 | Commercial |
| Westchester | 14 | Civic Actions |
| Prospect Heights | 14 | — |
| Des Plaines | 14 | Infrastructure |
| River Forest | 13 | — |
| Maywood | 12 | — |
| Northfield | 10 | Civic Actions |
| Orland Park | 10 | Civic Actions |
| Bensenville | 9 | — |
| Buffalo Grove | 9 | — |
| Glenview | 9 | Civic Actions |
| Franklin Park | 9 | Civic Actions |
| North Riverside | 9 | Civic Actions |
| Elmwood Park | 8 | — |
| Midlothian | 8 | — |
| Matteson | 8 | Civic Actions |
| Riverside | 8 | Civic Actions |
| Palos Heights | 7 | — |
| University Park | 7 | Civic Actions |
| Inverness | 6 | — |
| Wilmette | 6 | — |
| Oak Lawn | 6 | — |
| Barrington | 6 | — |
| Broadview | 6 | Infrastructure |
| Burnham | 6 | Commercial |
| South Holland | 5 | — |
Frequently asked questions
- How many development projects were indexed in Cook County, IL YTD 2026?
- 2,828 projects with indexed meeting dates year-to-date through 2026-09-03.
- Which cities in Cook County had the most development activity?
- Palatine (902), Winnetka (438), Hoffman Estates (120) lead the county by project count.