According to the United States Census Bureau, DeKalb is a City that is located in DeKalb County, Illinois at 41.93 degrees North and 88.75 degrees West.
The city's time zone is America/Chicago, and the city's primary telephone area code is 815.
The land area of DeKalb is about 15.21 square miles, whereas the water area of the city is about 0.16 square miles.
DeKalb County's land area is about 631 square miles, so the city occupies about 2.4 percent of the county's total land area.
Current Weather Conditions in DeKalb, Illinois
The Census Bureau estimates that DeKalb had about 42,847 residents in 2019, which is approximately 2,817 people per square mile of land area.
According to recent American Community Survey data, the median household income in DeKalb was about $45,020 per year.
The Illinois counties map at upper right shows DeKalb County, highlighted in red.
Use the menu below to display interactive maps of DeKalb, either in a frame on this page or in full-screen mode.
Use the menu below to display categorized DeKalb directories.
|DeKalb Products and Services Directory|
Selected DeKalb, Illinois Listings
These randomly selected DeKalb listings provide some insight into the city's cultural environment and economic climate.
Amanda's Spa & Beauty Services
Balcom -Vetillo Design
- Alternative Medicine
- Beauty Salons
- Hair Care & Treatment
- Beauty & Day Spas
- Manicures & Pedicures
DeKalb Dental Group
- Advertising Agencies & Consultants
Diamond Tour Golf
Friendly Farms Limited
- Outdoor Sports & Recreation
- Golf Equipment & Supplies Retail
Munson Insurance Agency Inc
- Chinese Restaurants
- Chinese Foods
North Central Cyclery
Northern Illinois University Libraries
- Bicycle Parts & Supplies Wholesale & Manufacturers
Southmoor Estates Manufactured
- Public Libraries
Tails Humane Society
- Real Estate Rental & Leasing
- Property Management
- Rental Management Services
- Pet Care Services
- Animal Shelters
- Humane Societies
Nearby Illinois Cities and Towns *
* Parenthesized numbers indicate economic activity levels.
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