Watertown, South Dakota Population 2022

22,889
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Watertown is a city located in Codington County South Dakota. Watertown has a 2020 population of 22,889. Watertown is currently growing at a rate of 0.51% annually and its population has increased by 1.03% since the most recent census, which recorded a population of 22,655 in 2010.

The average household income in Watertown is $65,379 with a poverty rate of 15.42%. The median rental costs in recent years comes to $760 per month, and the median house value is $175,600. The median age in Watertown is 37.8 years, 36.9 years for males, and 38.8 years for females.

Watertown Demographics

According to the most recent ACS, the racial composition of Watertownwas:

  • White: 92.88%
  • Native American: 2.85%
  • Two or more races: 2.66%
  • Black or African American: 0.75%
  • Asian: 0.49%
  • Other race: 0.39%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Watertown, South Dakota is 22,889 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 22,655.

Watertown, South Dakota Population 2022

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

Year Population Growth Growth Rate
201033,1270.00%
201133,3972700.81%
201233,5731760.52%
201333,7912180.65%
201433,9071160.34%
201533,875-32-0.09%
201633,9791040.31%
201734,1231440.42%
201834,103-20-0.06%
201934,173700.20%
202034,243700.20%
202134,313700.20%

Watertown Metro Area Population by Year

Population by Race

Race Population Percentage
White20,66592.88%
Black or African American1660.75%
American Indian and Alaska Native6332.85%
Asian1080.49%
Some Other Race860.39%
Two or More Races5912.66%
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Watertown Population by Race

Watertown Population Pyramid 2022

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Watertown Median Age

37.6


Total

37.3


Male

38.1


Female

Watertown Adults

There are 16,915 adults, (3,962 of whom are seniors) in Watertown.

Watertown Age Dependency

Age Dependency Ratio

30.6

Old Age Dependency Ratio

41.2

Child Dependency Ratio

Watertown Sex Ratio

Female

11,240

50.52%

Male

11,009

49.48%

Watertown Population by Age

Watertown Renter vs Owner Occupied by Household Type

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Watertown Household Types

Type Owner Renter
Married85.4%14.6%
Male66.5%33.5%
All60.8%39.2%
Non Family41.8%58.2%
Female30%70%

60.8%

Rate of Home Ownership

Watertown Households and Families

Type Count Average Size Owned
All9,7642.2260.8
Married4,2972.985.4
Male3552.3966.5
Female9143.0930
Non Family4,1981.3141.8

2.83

Average Family Size

2.22

Average Household Size

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Watertown Households by Type

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Education Attained Count Percentage
Less Than 9th Grade5573.72%
9th to 12th Grade9536.36%
High School Graduate4,90632.73%
Some College3,22321.50%
Associates Degree2,23014.88%
Bachelors Degree2,29215.29%
Graduate Degree8295.53%
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Watertown Educational Attainment by Sex (over 25)

Watertown Educational Attainment by Race

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Race Total High School Bachelors
Asian10810837
White13,85512,9023,021
Other Race4966
Hispanic40115032
Black1665612
Native American23512711
2+ Races2131688

The highest rate of high school graduation is among asian people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 34.26%.

Watertown Educational Attainment by Race

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Name Average Male Female
Overall$36,632$44,724$28,477
Less Than 9th Grade$31,058$40,413$
High School Graduate$32,432$40,354$23,889
Some College$36,418$48,491$29,613
Bachelors Degree$42,151$62,679$31,775
Graduate Degree$56,439$63,512$56,038

$36,632

Average Earnings

$44,724

Average Male

$28,477

Average Female

Watertown Earnings by Educational Attainment

Watertown Language by Age

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Watertown Language

96.50% of Watertown residents speak only English, while 3.50% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 1.38% of the population.

Watertown Language

Watertown Poverty by Race

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Name Total In Poverty Poverty Rate
Native61547477.07%
Hispanic78537447.64%
Multiple5778715.08%
White19,7702,62413.27%
OtherNaN%

15.42%

Overall Poverty Rate

11.56%

Male Poverty Rate

19.22%

Female Poverty Rate

Poverty in Watertown

The race most likely to be in poverty in Watertown is Native, with 77.07% below the poverty level.

The race least likely to be in poverty in Watertown is Other, with NaN% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.27%. Among those working part-time, it was 27.03%, and for those that did not work, the poverty rate was 20.48%.

Watertown Poverty

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Name Poverty
Less Than 9th Grade23.84%
High School11.00%
Some College12.08%
Bachelors or Greater2.54%

Watertown Poverty Rate by Education

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Rate Poverty
Male Employed5.01%
Male Unemployed28.51%
Female Employed15.08%
Female Unemployed28.68%

Watertown Poverty Rate by Employment Status and Sex

Watertown Income by Household Type

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Name Median Mean
Households$52,145$67,245
Families$71,298$81,630
Married Families$80,784-
Non Families$35,163$45,884
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Income by Household Type

Watertown Marital Status

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Marriage Rates

50.1%

Overall Marriage Rate

50.3%

Male Marriage Rate

49.8%

Female Marriage Rate

Watertown Married by Age and Sex

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Watertown Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.

Watertown Marital Status by Race

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Watertown Marital Status

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1,897

Number of Veterans

Male Veterans

Female Veterans

War Veterans
Second Gulf War486
First Gulf War389
Vietnam604
Korea155
World War II47

Watertown Veterans by War

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Age Group Veterans
18 to 34280
35 to 54258
55 to 64475
65 to 74437
75+447

Watertown Veterans by Age

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Name Veterans % of Total
White1,85411.58%
Other Race4350.00%
Hispanic132.96%

Watertown Veterans by Race

Watertown Veterans by Education

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6.33%

Veteran Poverty Rate

23.58%

Veteran Disability Rate

Watertown Veterans by Education

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69.2%

Labor Force Participation

67%

Employment Rate

2.9%

Unemployment Rate

Watertown Employment by Age

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Watertown Employment by Race

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Watertown Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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70.46%

Born in Watertown

97.48%

Native Born

2.52%

Foreign Born

2.00%

Non Citizen

0.52%

Naturalized

Place of Birth

97.48% of Watertown residents were born in the United States, with 70.46% having been born in South Dakota. 2.00% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Watertown Place of Birth

Note: 2021 and 2022 data is projected
Year Population Growth Annual Growth Rate
18902,6720.00%
19003,3526802.29%
19107,0103,6587.66%
19209,4002,3902.98%
193010,2148140.83%
194010,6174030.39%
195012,6992,0821.81%
196014,0771,3781.04%
197013,388-689-0.50%
198015,6492,2611.57%
199017,5921,9431.18%
200020,2372,6451.41%
201021,4821,2450.60%
201121,5991170.54%
201221,7161170.54%
201321,8331170.54%
201421,9501170.54%
201522,0671170.53%
201622,1841170.53%
201722,3011170.53%
201822,4181170.52%
201922,5351170.52%
202022,6551200.53%
202122,7721170.52%
202222,8891170.51%

Watertown Population by Year