Portillo's Hot Dogs 8832 W Dempster St, Niles, IL60714 Step back in time with the decor at Portillo's. The hot dog establishment features tables and boothes with plaid table…More clothes and a food bar with stools in the center of the restaurant. High walls are covered with old photos, food cans from times gone by, posters and advertisements while jazz plays in the background. The menu offers burgers, hot dogs, Italian beef and sausage, chili and award-winning ribs. There are also sweet treats like smoothies and shakes to finish your meal.