I'm not from the Chi but I live here now. Compared to STL, Chicago is pretty integrated, even out South.
I lived in Chicago for years and have family there. I only saw black people. For miles and miles and miles. 100% black.
There's nothing integrated about Chicago. You are likely in a suburb of Chicago.
Here's the diversity map of the Chicagoland area, out to Waukegan and Gary. Darker shades indicate a larger racial majority in that neighborhood.
Green areas are black people, blue is white people, red is Asian, orange is Hispanic.
And here's a closer view of Chicago proper:
Here is the St Louis area. Asians and Hispanics definitely stick to themselves.