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Watertown (SD) Streets, Geographical, Population & More

Population of Watertown, South Dakota

StateSouth Dakota
Land Area (mi²)18.1 sq mi
Density (mi²)1,263.2/sq mi
2022 Growth Rate0.51% (117)
Growth Since 20202.88% (640)
Rank in State5th
Rank in Country2035th

The population of Watertown, SD in 2022 is estimated to be 22,889. This is an increase of 0.51% (117 people) compared to the population in 2021.

Population in Metro Area of Watertown by Year

2021 and 2022 population is estimated by projecting the 2019 numbers.

YearPopulationGrowthGrowth Rate

Population of Watertown by Race

Population by Race
  • Total
  • Hispanic
  • Non-Hispanic
Race
Population
Percentage

Population of Watertown by Age

Watertown Population Pyramid 2022
Watertown Median Age
37.6
Total
37.3
Male
38.1
Female
Watertown Sex Ratio
49.48%
11,009
Male
50.52%
11,240
Female
Watertown Age Dependency Ratio
30.6
Old Age Dependency Ratio
41.2
Child Dependency Ratio
Watertown Adults
16,915
Adults
(3,962 of whom are seniors) in Watertown.

Population of Watertown by Year

Year
PopulationGrowthAnnual Growth Rate