Check any address in Winthrop Harbor, Illinois for deliverability. Get instant verification with confidence scores.
Winthrop Harbor is the #296 city in Illinois by population, with a population of 37,111 across 2 ZIP codes. Average temperatures range from 39.3°F to 57.2°F, with 35.3" of annual precipitation. The local economy is anchored by Construction, with 75 establishments.
Check if a Winthrop Harbor, IL address is valid and deliverable.
Verify Winthrop Harbor AddressAverage monthly temperatures and precipitation.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg High | 31° | 34° | 44° | 56° | 67° | 77° | 81° | 80° | 73° | 61° | 48° | 36° |
| Avg Low | 16° | 18° | 27° | 36° | 46° | 56° | 62° | 61° | 54° | 43° | 31° | 22° |
| Precip | 1.4" | 1.5" | 2.2" | 3.8" | 3.9" | 4.5" | 3.5" | 3.6" | 3.6" | 3.2" | 2.3" | 1.9" |
| Snow | - | - | - | - | - | - | - | - | - | - | - | - |
| Industry | Establishments |
|---|---|
| Construction | 75 |
| Accommodation and food services | 71 |
| Retail trade | 64 |
| Administrative and support and waste management and remediation services | 61 |
| Health care and social assistance | 59 |
| Other services (except public administration) | 56 |
| Transportation and warehousing | 35 |
| Professional, scientific, and technical services | 22 |
| Manufacturing | 21 |
| Finance and insurance | 11 |
Winthrop Harbor has 1 properties listed on the National Register of Historic Places, including:
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