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Plainfield: Illinois' Fastest-Growing Suburb

Plainfield, Illinois, USAWednesday, December 3, 2025
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Plainfield, IL is the fastest-growing city in Illinois, according to a recent study. The study analyzed cities with populations between 25,000 and 500,000 using U.S. Census Bureau data from 2015 to 2023.

Key Findings

  • Population Growth: 11.9% increase over eight years
  • Income Growth: 43.2% rise in per capita income
  • 2023 Statistics:
  • Population: 45,705 residents
  • Average Income: $53,675 per person

National Perspective

Plainfield's growth, while impressive, is overshadowed by Fulshear, Texas, which experienced a 736% population increase—making it the fastest-growing city in the U.S.

Factors Driving Growth

The study underscores national demographic shifts, with growth influenced by:

  • Job opportunities
  • Housing affordability
  • Quality of life

Challenges Ahead

Rapid population growth presents challenges, including:

  • Strain on infrastructure
  • Pressure on schools
  • Demands on public services

Proactive planning is essential to address these issues effectively.

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