Hilton Rosemont/Chicago O'Hare — Event Spaces, Floor Plans & Capacities
5550 N River Rd, Rosemont, IL 60018
23 rooms · largest space: Grand Ballroom, 7,150 sq ft664 m²
Planning an event in Rosemont? Hilton Rosemont/Chicago O'Hare has 23 meeting and event rooms. The largest space is Grand Ballroom, 7,150 sq ft664 m². It holds up to 825 guests. Capacity figures for every setup style are listed per room below.
Plan an event in Grand Ballroom: open a free to-scale layout seating 450 at round tables in its 65 × 110 ft footprint at floors.live/start — no account needed.
Between them, the 23 rooms accommodate theater-style sessions for up to 825, seated banquets for 500 and standing receptions for 825. 9 smaller rooms suit breakouts and board meetings. Per-room dimensions and every published setup figure are listed below.
Unverified listing — compiled from Hilton Rosemont/Chicago O'Hare’s published information. Venue staff can verify capacities and setups free: floors.live/venues/us/illinois/rosemont/hilton-rosemont-chicago-o-hare/?claim=1.
Floor plans
Detailed floor plans for Hilton Rosemont/Chicago O'Hare are published on the venue’s official site.
Work at Hilton Rosemont/Chicago O'Hare? to publish your official floor plans and 360° tours here — free.
Room capacities & dimensions
23 rooms, 29 configurations. Combined and divided set-ups are listed under their room.
| Space | Sq ft / m² | Ceiling | Banquet | Theater | Classroom | Reception | Conference | Boardroom | U-Shape | Hollow Sq. | ||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AldrinPlan this room → | 650 sq ft60 m² | 8 ft2.4 m | 40 | 50 | 24 | 40 | 20 | 20 | 18 | 21 | ||||||||||||||||||||||||||||||||||||||||||||
| ArmstrongPlan this room → | 1,458 sq ft135 m² | 8 ft2.4 m | 80 | 80 | 70 | 80 | 40 | 40 | 35 | 40 | ||||||||||||||||||||||||||||||||||||||||||||
| AuriolPlan this room → | 567 sq ft53 m² | 7 ft2.1 m | — | — | — | — | 14 | 14 | — | — | ||||||||||||||||||||||||||||||||||||||||||||
| CollinsPlan this room → | 729 sq ft68 m² | 8 ft2.4 m | 50 | 60 | 32 | 50 | 25 | 25 | 22 | 25 | ||||||||||||||||||||||||||||||||||||||||||||
| Conference Suite 322Plan this room → | 576 sq ft54 m² | 8 ft2.4 m | 30 | 30 | 12 | 30 | 14 | 14 | 14 | 14 | ||||||||||||||||||||||||||||||||||||||||||||
| Conference Suite 422Plan this room → | 576 sq ft54 m² | 8 ft2.4 m | — | — | — | — | — | — | — | 14 | ||||||||||||||||||||||||||||||||||||||||||||
| Conference Suite 522Plan this room → | 576 sq ft54 m² | 8 ft2.4 m | 30 | 30 | 12 | 30 | 14 | 14 | 14 | 14 | ||||||||||||||||||||||||||||||||||||||||||||
| Conference Suite 622Plan this room → | 576 sq ft54 m² | 8 ft2.4 m | 30 | 30 | 12 | 30 | 14 | 14 | 14 | 14 | ||||||||||||||||||||||||||||||||||||||||||||
| CrossfieldPlan this room → | 675 sq ft63 m² | 8 ft2.4 m | 50 | 60 | 26 | 50 | 20 | 20 | 20 | 25 | ||||||||||||||||||||||||||||||||||||||||||||
1 configuration with Crossfield
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| DavisPlan this room → | 1,540 sq ft143 m² | 11 ft3.4 m | 80 | 130 | 80 | 130 | 35 | 35 | 40 | 45 | ||||||||||||||||||||||||||||||||||||||||||||
| DoolittlePlan this room → | 144 sq ft13 m² | 8 ft2.4 m | — | — | — | — | 6 | 6 | — | — | ||||||||||||||||||||||||||||||||||||||||||||
| EarhartPlan this room → | 1,540 sq ft143 m² | 11 ft3.4 m | 80 | 130 | 80 | 130 | 35 | 35 | 40 | 45 | ||||||||||||||||||||||||||||||||||||||||||||
1 configuration with Earhart
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| GarrosPlan this room → | 1,080 sq ft100 m² | 8 ft2.4 m | 60 | 70 | 40 | 70 | 30 | 30 | 32 | 35 | ||||||||||||||||||||||||||||||||||||||||||||
| Grand BallroomPlan this room → | 7,150 sq ft664 m² | 11 ft3.4 m | 500 | 825 | 400 | 825 | — | — | — | — | ||||||||||||||||||||||||||||||||||||||||||||
| HughesPlan this room → | 1,540 sq ft143 m² | 11 ft3.4 m | 80 | 130 | 80 | 130 | 35 | 35 | 40 | 45 | ||||||||||||||||||||||||||||||||||||||||||||
1 configuration with Hughes
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| International BallroomPlan this room → | 6,050 sq ft562 m² | 11 ft3.4 m | 360 | 580 | 320 | 580 | — | — | — | — | ||||||||||||||||||||||||||||||||||||||||||||
| LindberghPlan this room → | 1,885 sq ft175 m² | 11 ft3.4 m | 120 | 150 | 90 | 150 | 35 | 35 | 40 | 45 | ||||||||||||||||||||||||||||||||||||||||||||
| O'HarePlan this room → | 432 sq ft40 m² | 7 ft2.1 m | 30 | 25 | 15 | 25 | 14 | 14 | 12 | 12 | ||||||||||||||||||||||||||||||||||||||||||||
| RickenbackerPlan this room → | 729 sq ft68 m² | 8 ft2.4 m | 40 | 40 | 24 | 40 | 22 | 22 | 24 | 24 | ||||||||||||||||||||||||||||||||||||||||||||
| Salon 1Plan this room → | 3,575 sq ft332 m² | 11 ft3.4 m | 220 | 400 | 185 | 400 | 35 | 35 | 65 | 70 | ||||||||||||||||||||||||||||||||||||||||||||
| Salon 2Plan this room → | 3,575 sq ft332 m² | 11 ft3.4 m | 220 | 400 | 185 | 400 | 35 | 35 | 65 | 70 | ||||||||||||||||||||||||||||||||||||||||||||
| WrightPlan this room → | 784 sq ft73 m² | 11 ft3.4 m | 40 | 60 | 32 | 60 | 20 | 20 | 20 | 25 | ||||||||||||||||||||||||||||||||||||||||||||
3 configurations with Wright
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| YeagerPlan this room → | 784 sq ft73 m² | 11 ft3.4 m | 40 | 60 | 32 | 60 | 20 | 20 | 20 | 25 | ||||||||||||||||||||||||||||||||||||||||||||
Figures from published venue data; blank cells mean the venue hasn’t published that number. Verify final counts with the venue.
Sizing another room? Try the event room capacity calculator or the floor plan scale converter.
Frequently asked questions
What is the floor plan of Hilton Rosemont/Chicago O'Hare?
Hilton Rosemont/Chicago O'Hare has 23 rooms. The largest space is Grand Ballroom, 7,150 sq ft (65 × 110 ft). Every room's dimensions and seating capacity by setup are listed on this page. For the venue's own drawings, see its official website, linked from this page.
How many event rooms does Hilton Rosemont/Chicago O'Hare have?
Hilton Rosemont/Chicago O'Hare has 23 rooms. 29 configurations are listed on this page.
What is the largest space at Hilton Rosemont/Chicago O'Hare?
Grand Ballroom, 7,150 sq ft: 65 × 110 ft, 500 banquet / 825 theater.
How many people can Hilton Rosemont/Chicago O'Hare seat for a banquet?
Up to 500 in Grand Ballroom. The next largest room, International Ballroom, seats 360.
What is the ceiling height at Hilton Rosemont/Chicago O'Hare?
The highest ceiling is 11 ft, in Davis.
More event venues near Rosemont
All 6 event venues in Rosemont, IL →
Nearest venues to Hilton Rosemont/Chicago O'Hare
- Hyatt Regency O'Hare Chicago · Rosemont, IL · 0.2 mi straight-line
- Aloft by Marriott Chicago O'Hare · Rosemont, IL · 0.3 mi straight-line
- The Rose Hotel Chicago O’Hare, Tapestry Collection by Hilton · Rosemont, IL · 0.6 mi straight-line
Other event venues in Rosemont, IL
- Hyatt Regency O'Hare Chicago · 80 rooms
- The Westin O'Hare · 48 rooms
- Chicago Marriott Suites O'Hare · 9 rooms
- The Rose Hotel Chicago O’Hare, Tapestry Collection by Hilton · 11 rooms
- Aloft by Marriott Chicago O'Hare · 6 rooms
Event venues elsewhere in Illinois
- Hyatt Regency McCormick Place Chicago · Chicago
- Marriott Marquis Chicago · Chicago
- Hilton Chicago · Chicago
- Palmer House a Hilton Hotel · Chicago
- Chicago Marriott Downtown Magnificent Mile · Chicago
- Sheraton Grand Chicago Riverwalk · Chicago
- Hilton Chicago/Oak Brook Hills Resort & Conference Center · Oak Brook
- JW Marriott Chicago · Chicago
Venues with similar capacity (~825 guests)
- Indianapolis Marriott East · Indianapolis, IN
- Denver Marriott Westminster · Westminster, CO
- Sheraton Detroit Metro Airport · Romulus, MI
- The Westin Lake Mary, Orlando North · Lake Mary, FL
- Hyatt Regency Jersey City on the Hudson · Jersey City, NJ
- Hilton Orlando/Altamonte Springs · Altamonte Springs, FL