Check any address in Oak Brook, Illinois for deliverability. Get instant verification with confidence scores.
Oak Brook is the #36 city in Illinois by population, with a population of 158,473 across 5 ZIP codes. Average temperatures range from 40.8°F to 60.1°F, with 39.5" of annual precipitation. Professional Services forms the backbone of the local economy (1,153 firms).
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Verify Oak Brook AddressAverage monthly temperatures and precipitation.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg High | 32° | 36° | 47° | 60° | 71° | 81° | 85° | 83° | 77° | 63° | 49° | 37° |
| Avg Low | 16° | 19° | 28° | 38° | 49° | 59° | 64° | 63° | 55° | 43° | 32° | 22° |
| Precip | 2.1" | 2.0" | 2.4" | 3.9" | 4.7" | 4.3" | 4.0" | 4.3" | 3.3" | 3.5" | 2.6" | 2.3" |
| Snow | 4.5" | 4.3" | 2.2" | 0.5" | - | - | - | - | - | 0.1" | 0.7" | 3.0" |
| Industry | Establishments |
|---|---|
| Professional, scientific, and technical services | 1,153 |
| Health care and social assistance | 1,079 |
| Retail trade | 713 |
| Finance and insurance | 606 |
| Construction | 586 |
| Other services (except public administration) | 585 |
| Accommodation and food services | 498 |
| Wholesale trade | 432 |
| Administrative and support and waste management and remediation services | 428 |
| Real estate and rental and leasing | 394 |
Oak Brook has 3 properties listed on the National Register of Historic Places, including:
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