Alton, Illinois Map and Directory
Regional Directory > States Menu > Illinois
According to the United States Census Bureau, Alton is a City that is located in Madison County, Illinois at 38.89 degrees North and 90.18 degrees West.
The city's time zone is America/Chicago, and the city's primary telephone area code is 618.
The land area of Alton is about 15.47 square miles, whereas the water area of the city is about 1.27 square miles.
Madison County's land area is about 716 square miles, so the city occupies about 2.2 percent of the county's total land area.
The Census Bureau estimates that Alton had about 26,208 residents in 2019, which is approximately 1,694 people per square mile of land area.
According to recent American Community Survey data, the median household income in Alton was about $40,211 per year.
The Illinois counties map at upper right shows Madison County, highlighted in red. Use the menu below to display interactive maps of Alton, either in a frame on this page or in full-screen mode.
Use the menu below to display categorized Alton directories.
| Alton Directory Page: | Home Improvement |
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Selected Alton, Illinois Listings
These Alton listings in zipcode 62002 provide a window into the city's cultural environment and economic climate. Abbott Machine Co- Industrial Equipment & Supplies Dealers
- Government Contractors
- Metal Forming Machinery
- Metal Products
- Metal Products Wholesale & Manufacturers
- Swimming Pool & Spa Construction & Contractors
- Swimming Pool Dealers
- Spa & Hot Tub Dealers
- Swimming Pool Equipment & Supplies Dealers
- Colleges & Universities
- Vocational Education
- Business Education
- Computer Technology Schools
- Florists
- Advertising & Promotional Gifts
- Collectible Gifts
- Anniversary Gifts
- Steak Restaurants
- Government Contractors
- Chemicals - Manufacturers
- Explosives
- Auto Glass Retail
- Radio Stations
- Communications Services
- Trucking Companies
- Freight Forwarding
- Auto Dealers
- Outdoor Sports & Recreation
- Public Golf Courses
- Golf
- Golf Courses
- Government Contractors
- Trucking Companies
- Excavation Contractors
- Freight Forwarding
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* Parenthesized numbers indicate economic activity levels.
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