Waterloo Flag

Waterloo

County Seat:
No
Area (mi²):
0.748
State:
Alabama

Waterloo is a town located in Lauderdale County, Alabama. Waterloo has a 2026 population of 185. Waterloo is currently growing at a rate of 0.54% annually and its population has increased by 2.21% since the most recent census, which recorded a population of 181 in 2020.

The median age in Waterloo is 64.1 years: 64.6 years for males, and 62.6 years for females. For every 100 females there are 94.8 males.

185
Total Population
247
Density (mi²)
1 0.54%
Growth

Waterloo Population

Waterloo Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202618510.54%
202518400%
202418410.55%
202318310.55%
202218200%
202118210.55%
202018100%
201919700%
2018197-4-1.99%
201720110.5%
2016200-1-0.5%
201520100%
201420100%
2013201-1-0.5%
201220200%
2011202-1-0.49%
201020300%

Median Age

Overall: 64.1 years
Female: 62.6 years
Male: 64.6 years

Waterloo Adults

There are 107 adults, (49 of whom are seniors) in Waterloo.

Sex Ratio

Female: 58 (51.3%)
Male: 55 (48.7%)

Demographics

The racial composition of Waterloo includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White113100%
Race
Population ↓
Percentage (of total)
White10.88%
Race
Population ↓
Percentage (of total)
White11299.12%

Waterloo Marital Status

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)