DeKalb is a city in DeKalb County, Illinois, United States. The population was 39,018 at the 2000 census. The city's name (as well as the name of DeKalb County, where it is located) is /dɨˈk?lb/ "di-KALB". The city is named after decorated German war hero Johann De Kalb who died during the American Revolutionary War.
DeKalb is home to Northern Illinois University, which is the city's largest employer. Other large employers include Kishwaukee Health System, the local school district and a Wal-mart Super Center.
DeKalb has over 44 community facilities. Some of the main parks, golf courses and museum include:
- River Heights Golf Course
- Buena Vista Golf Course
- Hopkins Park Pool and Community Center
- DeKalb County Forest Preserves
- Ellwood House Museum and Park
- Kishwaukee Hospital
- DeKalb Clinic
There are 7 public schools, 3 private schools, 1 university, and 2 libraries in DeKalb 
 Northern Illinois University
Northern Illinois University (NIU) was founded in DeKalb as the Northern Illinois State Normal School in 1895. NIU is a comprehensive teaching and research institution with a student enrollment of under 25,000, which makes NIU the third largest university in Illinois . Some famous NIU alumni include Dan Castellaneta (the voice of Homer Simpson), Former U.S. House Speaker Dennis Hastert, Oscar-nominated actress Joan Allen, Atlanta Falcons running back Michael Turner, and Steve Harris from David E. Kelley's legal Drama The Practice. On February 14, 2008, a former graduate went on a rampage known as the Northern Illinois University shooting.
 Public Schools
DeKalb is served by both public and private school systems. DeKalb Community Unit School District 428 operates seven Elementary Schools (Grades K-5), Clinton Rosette and Huntley Middle Schools (Grades 6-8), and DeKalb High School (Grades 9-12). DeKalb is also home to St. Mary School (Grades K-8) and is served by Cornerstone Christian Academy in nearby Sycamore.
DeKalb forms the western anchor of the I-88 corridor. It holds an important spot on the tollway as the location of both a toll plaza and an oasis which includes restaurants and a gas station. It is 30 miles away from Aurora and 65 miles from downtown Chicago and O'Hare International Airport. Voluntary Action Center provides two types of transportation services, TRANS-VAC and MED-VAC. TRANS-VAC provides transportation to activities and businesses in DeKalb County and has two bus routes (the green line and blue line) that runs a regular hourly route Monday through Friday and some limited evening hours for special needs persons. MED-VAC provides transportation to out-of-town medical appointments when the client registers in advance for the ride. NIU Huskie Bus Line Serves NIU and the DeKalb area. It has the second highest rider-per-mile bus system in Illinois (behind the CTA). It is said to be the largest student-run bus system in the US (although it is operated by Veolia Transportation, it is operated locally).
DeKalb Taylor Municipal Airport (DTMA) or (KDKB), serving the general aviation community, is located at 3232 Pleasant Street, DeKalb, Illinois