Skip to main content

Twin Demographics

Population Trend

Population Change by Decade

PeriodPopulationChange% Change
2000417——
2010399-18-4.3%
2020359-40-10.0%
202435900.0%

Twin vs. Marion County

YearTwinMarion CountyShare
200041730,7771.4%
201039930,7761.3%
202035929,3411.2%
202435929,3231.2%

Complete Population Data

YearPopulationSource
2000417Population Estimates Program
2001411Population Estimates Program
2002407Population Estimates Program
2003405Population Estimates Program
2004404Population Estimates Program
2005403Population Estimates Program
2006404Population Estimates Program
2007404Population Estimates Program
2008403Population Estimates Program
2009398Population Estimates Program
2010399Decennial Census
2011395Population Estimates Program
2012394Population Estimates Program
2013390Population Estimates Program
2014389Population Estimates Program
2015388Population Estimates Program
2016388Population Estimates Program
2017388Population Estimates Program
2018388Population Estimates Program
2019387Population Estimates Program
2020359Decennial Census
2021358Population Estimates Program
2022359Population Estimates Program
2023359Population Estimates Program
2024359Population Estimates Program

Data Sources

  • Population Estimates Program US Census Bureau Population Estimates Program (annual estimates)
  • Decennial Census US Census Bureau Decennial Census (actual count every 10 years)