What is DeKalb, Illinois?
{{Infobox settlement | name = DeKalb, Illinois | official_name = | settlement_type = [[List of cities in Illinois|City]] | image_skyline = DeKalbEgyptian5.jpg | image_caption = The [[Egyptian Theatre (DeKalb, Illinois)|Egyptian Theatre]] in Downtown DeKalb | image_flag = | image_seal = | nickname = Barb City | image_map = File:DeKalb County Illinois Incorporated and Unincorporated areas DeKalb Highlighted.svg | mapsize = | map_caption = Location of DeKalb in DeKalb County, Illinois. | pushpin_map = Illinois | pushpin_label_position = left <!-- position the pushpin label: left, right, top, bottom, none --> | pushpin_mapsize = | pushpin_map_caption = Location within the state of Illinois | coordinates = {{coord|41|55|53|N|88|45|01|W|region:US-IL|display=inline,title}} | subdivision_type = Country | subdivision_name = United States | subdivision_type1 = [[U.S. state|State]] | subdivision_type2 = [[List of counties in Illinois|County]] | subdivision_name1 = [[Illinois]] | subdivision_name2 = [[DeKalb County, Illinois|DeKalb]] | established_title = [[Municipal corporation|Incorporated]] | established_date = 1856 | leader_title = | leader_name = | area_total_sq_mi = 17.12 | area_land_sq_mi = 16.95 | area_water_sq_mi = 0.17 | elevation_m = 268 | elevation_ft = 879 | population_total = 40290 | population_as_of = [[2020 United States Census|2020]] | population_density_km2 = 917.66 | population_density_sq_mi = 2376.71 | population_urban = 64,736 | postal_code_type = [[ZIP code]]s | postal_code = 60115 | area_code = [[Area code 815|815]] | website = [https://www.cityofdekalb.com www.cityofdekalb.com] | footnotes