In case anybody is wondering, I pulled the tracts in Chicago that had the highest median income change between 2010 and 2017:
1.
http://www.usa.com/IL031320400.html | Loop | $160,833 MHHI | +$82,381
2.
http://www.usa.com/IL031081900.html | Near North Side (Cabrini Green area) | $139,063 MHHI | +$63,813
3.
http://www.usa.com/IL031832500.html | Bucktown/Lincoln Park | $116,935 | +$57,310
4.
http://www.usa.com/IL031062600.html | Lakeview | $144,211 | +$55,495
5.
http://www.usa.com/IL031242100.html | Ukranian Village/East Village | $125,217 | +49,384
6.
http://www.usa.com/IL031221600.html | Bucktown | $107,841 | +$47,535
7.
http://www.usa.com/IL031051100.html | Roscoe Village | $124,583 | $46,813
8.
http://www.usa.com/IL031842200.html | Cabrini Green/Goose Island | $92,227 | +$45,679
9.
http://www.usa.com/IL031070700.html | West Lincoln Park | $122,571 | +$45,283
10.
http://www.usa.com/IL031841000.html | South Loop/North Bronzeville | $63,125 | +$45,000
11.
http://www.usa.com/IL031050700.html | Roscoe Village | $128,676 | +$44,634
12.
http://www.usa.com/IL031240200.html | Bucktown | $124,545 | +$44,188
13.
http://www.usa.com/IL031831000.html | Logan Square/Bucktown | $152,794 | +$43,936
14.
http://www.usa.com/IL031063100.html | Lakeview | $92,933 | +$42,725
15.
http://www.usa.com/IL031280100.html | West Loop | $129,148 | +$42,273
16.
http://www.usa.com/IL031240500.html | Wicker Park | $151,369 | +$40,619
17.
http://www.usa.com/IL031080100.html | Gold Coast | $118,500 | +39,527
18.
http://www.usa.com/IL031222200.html | Wicker Park/Logan Square | $130,990 | +$39,427
19.
http://www.usa.com/IL031241500.html | Wicker Park | $123,304 | +39,099
20.
http://www.usa.com/IL031062700.html | Lakeview | $135,096 | $+38,846
21.
http://www.usa.com/IL031081202.html | Gold Coast | $113,798 | +$38,698
22.
http://www.usa.com/IL031241200.html | Wicker Park | $104,750 | +$38,601
23.
http://www.usa.com/IL031243100.html | West Town/near Ukranian Village | $101,458 | +$38,156
24.
http://www.usa.com/IL031220400.html | Logan Square | $88,043 | +$37,805
25.
http://www.usa.com/IL031241300.html | Wicker Park | $117,396 | +$37,741
In Cook County, there were 161 census tracts which increased their median household income by at least $20K each. In 2010, there were 79 census tracts in Cook County with $100K+ median household income. In 2017, that was 167 tracts - it over doubled.