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Hamilton Demographics

Population Trend

Population Change by Decade

PeriodPopulationChange% Change
17900——
18000——
18100——
18200——
18300——
18400——
18500——
18600——
18700——
18800——
18900——
19000——
19100——
19200——
19300——
19400——
19500——
19600——
19703,088——
19805,093+2,005+64.9%
19905,787+694+13.6%
20006,786+999+17.3%
20106,885+99+1.5%
20207,042+157+2.3%
20246,944-98-1.4%

Hamilton vs. Marion County

YearHamiltonMarion CountyShare
19703,08823,78813.0%
19805,09330,04117.0%
19905,78729,83019.4%
20006,78631,21421.7%
20106,88530,77622.4%
20207,04229,34124.0%
20246,94429,32323.7%

Complete Population Data

YearPopulationSource
17900Historical (Pre-2000)
18000Historical (Pre-2000)
18100Historical (Pre-2000)
18200Historical (Pre-2000)
18300Historical (Pre-2000)
18400Historical (Pre-2000)
18500Historical (Pre-2000)
18600Historical (Pre-2000)
18700Historical (Pre-2000)
18800Historical (Pre-2000)
18900Historical (Pre-2000)
19000Historical (Pre-2000)
19100Historical (Pre-2000)
19200Historical (Pre-2000)
19300Historical (Pre-2000)
19400Historical (Pre-2000)
19500Historical (Pre-2000)
19600Historical (Pre-2000)
19703,088Decennial Census
19805,093Decennial Census
19905,787Decennial Census
20006,786Decennial Census
20016,785Population Estimates Program
20026,760Population Estimates Program
20036,752Population Estimates Program
20046,715Population Estimates Program
20056,722Population Estimates Program
20066,829Population Estimates Program
20076,866Population Estimates Program
20086,893Population Estimates Program
20096,849Population Estimates Program
20106,885Decennial Census
20116,925Population Estimates Program
20126,881Population Estimates Program
20136,832Population Estimates Program
20146,826Population Estimates Program
20156,810Population Estimates Program
20166,725Population Estimates Program
20176,647Population Estimates Program
20186,621Population Estimates Program
20196,692Population Estimates Program
20207,042Decennial Census
20216,787Population Estimates Program
20226,955Population Estimates Program
20236,957Population Estimates Program
20246,944Population 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)
  • Historical (Pre-2000) Stanford/CESTA Historical US City Populations and NHGIS (1790–1990)