These 10 Illinois communities saw the highest population growth in 2023
A number of Illinois communities shrank in population throughout a recent one-year period, while some saw little to no change and others experienced sizable growth.
U.S. Census Bureau 2023 population estimates released in mid-May revealed that overall, large cities in the Northeast and Midwest grew in 2023, reversing earlier population declines. Midwest cities with populations of 50,000 saw a 0.1% increase after declining an average of 0.2%.
Chicago lost approximately 0.3% of its population, sparking concern the Windy City could lose its longstanding spot as America’s third-largest city if the trend continues.
However, some Chicago-area communities saw welcome increases.
Two small communities in McHenry County – Wonder Lake and Union – experienced 9.39% population growth – the highest out of anywhere in Illinois.
A few percentage points behind was the village of Volo in Lake County; it reported a 6.56% increase in population. Deer Grove in Whiteside County, along the Iowa border in northwest Illinois, and Grafton, a city near the confluence of the Illinois and Mississippi rivers in Jersey County, rounded out the top five.
Those two communities saw increases of 5.71% and 4.79%, respectively.
Out of the more than 1,000 municipalities in Illinois, including cities, towns and villages, here are the 10 communities that saw the greatest population growth from 2022 to 2023:
9.39% – Wonder Lake – McHenry County – 4,456 to 4,889 residents
9.39% – Union – McHenry County – 543 to 594 residents
6.56% – Volo – Lake County – 6,584 to 7,016 residents
5.71% – Deer Grove – Whiteside County – 35 to 37 residents
4.79% – Grafton – Jersey County – 730 to 765 residents
3.52% – Hampshire – Kane County – 7,811 to 8,086 residents
3.47% – Yorkville – Kendall County – 23,864 to 24,693 residents
3.43% Mascoutah – St. Clair County – 8,620 to 8,916 residents
3.36% – North Aurora – Kane County – 18,403 to 19,022 residents
3.22% – Oswego – Kendall and Will counties – 35,917 to 37,074 residents
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