Waterloo Demographics
Population Trend
Population Change by Decade
| Period | Population | Change | % Change |
|---|---|---|---|
| 1980 | 260 | — | — |
| 1990 | 250 | -10 | -3.8% |
| 2000 | 208 | -42 | -16.8% |
| 2010 | 203 | -5 | -2.4% |
| 2020 | 178 | -25 | -12.3% |
| 2024 | 184 | +6 | +3.4% |
Waterloo vs. Lauderdale County
| Year | Waterloo | Lauderdale County | Share |
|---|---|---|---|
| 1980 | 260 | 80,546 | 0.3% |
| 1990 | 250 | 79,661 | 0.3% |
| 2000 | 208 | 87,966 | 0.2% |
| 2010 | 203 | 92,709 | 0.2% |
| 2020 | 178 | 93,564 | 0.2% |
| 2024 | 184 | 97,502 | 0.2% |
Complete Population Data
| Year | Population | Source |
|---|---|---|
| 1980 | 260 | Decennial Census |
| 1990 | 250 | Decennial Census |
| 2000 | 208 | Decennial Census |
| 2001 | 199 | Population Estimates Program |
| 2002 | 197 | Population Estimates Program |
| 2003 | 198 | Population Estimates Program |
| 2004 | 198 | Population Estimates Program |
| 2005 | 198 | Population Estimates Program |
| 2006 | 200 | Population Estimates Program |
| 2007 | 201 | Population Estimates Program |
| 2008 | 203 | Population Estimates Program |
| 2009 | 203 | Population Estimates Program |
| 2010 | 203 | Decennial Census |
| 2011 | 202 | Population Estimates Program |
| 2012 | 202 | Population Estimates Program |
| 2013 | 201 | Population Estimates Program |
| 2014 | 201 | Population Estimates Program |
| 2015 | 201 | Population Estimates Program |
| 2016 | 200 | Population Estimates Program |
| 2017 | 201 | Population Estimates Program |
| 2018 | 197 | Population Estimates Program |
| 2019 | 197 | Population Estimates Program |
| 2020 | 178 | Decennial Census |
| 2021 | 182 | Population Estimates Program |
| 2022 | 182 | Population Estimates Program |
| 2023 | 183 | Population Estimates Program |
| 2024 | 184 | 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)