While most Cook County townships have seen population increases since 2010, some townships have seen declines. Chicago has experienced a 15.3% growth in its educated millennial population in the downtown core over the past five years. To address negative growth areas, Chicago must consider the key demographic groups that make up the affected townships and target investments towards those regions.

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Snapshots
Population growth ranges among Cook County
townships
Source: JLL Research, esri, U.S. Census
• While recent headlines have highlighted the Metro Chicago area losing residents, the majority of Cook County townships
have seen an increase in population since 2010.
• Chicago has also seen a growth rate of 15.3 percent for educated millennials in its downtown core in the past five years.
• Beyond the geographical constraints of township lines, Chicago must consider the key demographic groups that make up
the affected townships and channel investments into the negative growth regions.
March 2017
Chicago
Change in
Population
2010-2016
(as a %)
Cook County Townships
≥ 2.0%
Lemont, Evanston,
Cicero, Chicago (city),
Barrington, Calumet,
Hanover
1.0 – 2.0%
Berwyn, Palatine, Elk
Grove, Norwood Park,
Wheeling, Schaumburg,
Riverside, Maine, Niles,
Palos, Lyons, New Trier,
Leyden, Oak Park
0.01 – 1.0%
Orland, Proviso,
Stickney, Bloom
≤ 0.0% Worth, Rich, Bremen,
Thornton, River Forest
Positive change
Negative change
Cook County Population Growth by Township (2010 – 2016)