Henry County Demographics
Population Trend
Population Change by Decade
| Period | Population | Change | % Change |
|---|---|---|---|
| 1820 | 2,638 | — | — |
| 1830 | 4,020 | +1,382 | +52.4% |
| 1840 | 5,787 | +1,767 | +44.0% |
| 1850 | 9,019 | +3,232 | +55.8% |
| 1860 | 14,918 | +5,899 | +65.4% |
| 1870 | 14,191 | -727 | -4.9% |
| 1880 | 18,761 | +4,570 | +32.2% |
| 1890 | 24,847 | +6,086 | +32.4% |
| 1900 | 36,147 | +11,300 | +45.5% |
| 1910 | 20,943 | -15,204 | -42.1% |
| 1920 | 21,547 | +604 | +2.9% |
| 1930 | 22,820 | +1,273 | +5.9% |
| 1940 | 21,912 | -908 | -4.0% |
| 1950 | 18,674 | -3,238 | -14.8% |
| 1960 | 15,286 | -3,388 | -18.1% |
| 1970 | 13,254 | -2,032 | -13.3% |
| 1980 | 15,302 | +2,048 | +15.5% |
| 1990 | 15,374 | +72 | +0.5% |
| 2000 | 16,310 | +936 | +6.1% |
| 2010 | 17,302 | +992 | +6.1% |
| 2020 | 17,146 | -156 | -0.9% |
| 2024 | 18,141 | +995 | +5.8% |
Cities & CDPs in Henry County
Complete Population Data
| Year | Population | Source |
|---|---|---|
| 1820 | 2,638 | Decennial Census |
| 1830 | 4,020 | Decennial Census |
| 1840 | 5,787 | Decennial Census |
| 1850 | 9,019 | Decennial Census |
| 1860 | 14,918 | Decennial Census |
| 1870 | 14,191 | Decennial Census |
| 1880 | 18,761 | Decennial Census |
| 1890 | 24,847 | Decennial Census |
| 1900 | 36,147 | Decennial Census |
| 1910 | 20,943 | Decennial Census |
| 1920 | 21,547 | Decennial Census |
| 1930 | 22,820 | Decennial Census |
| 1940 | 21,912 | Decennial Census |
| 1950 | 18,674 | Decennial Census |
| 1960 | 15,286 | Decennial Census |
| 1970 | 13,254 | Decennial Census |
| 1980 | 15,302 | Decennial Census |
| 1990 | 15,374 | Decennial Census |
| 2000 | 16,310 | Decennial Census |
| 2001 | 16,447 | Population Estimates Program |
| 2002 | 16,563 | Population Estimates Program |
| 2003 | 16,692 | Population Estimates Program |
| 2004 | 16,752 | Population Estimates Program |
| 2005 | 16,953 | Population Estimates Program |
| 2006 | 17,108 | Population Estimates Program |
| 2007 | 17,129 | Population Estimates Program |
| 2008 | 17,243 | Population Estimates Program |
| 2009 | 17,302 | Population Estimates Program |
| 2010 | 17,302 | Decennial Census |
| 2011 | 17,377 | Population Estimates Program |
| 2012 | 17,152 | Population Estimates Program |
| 2013 | 17,128 | Population Estimates Program |
| 2014 | 17,074 | Population Estimates Program |
| 2015 | 17,097 | Population Estimates Program |
| 2016 | 17,062 | Population Estimates Program |
| 2017 | 17,105 | Population Estimates Program |
| 2018 | 17,100 | Population Estimates Program |
| 2019 | 17,125 | Population Estimates Program |
| 2020 | 17,146 | Decennial Census |
| 2021 | 17,412 | Population Estimates Program |
| 2022 | 17,638 | Population Estimates Program |
| 2023 | 17,872 | Population Estimates Program |
| 2024 | 18,141 | Population 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)