Watertown, South Dakota Population 2019

Watertown, South Dakota's estimated population is 22,153 according to the most recent United States census estimates. Watertown, South Dakota is the 5th largest city in South Dakota based on official 2017 estimates from the US Census Bureau.

The population density is 1233.43 people/mi² (476.23 people/km²).

The overall median age is 36.6 years, 35.1 years for males, and 38.6 years for females. For every 100 females there are 97.7 males.

Based on data from the American Community Survey, in 2017 there were 10,181 households in the city, with an average size of 2.25 people per household. The homeowner vacancy rate was 1.5%, with a median rent of $685/month. The median house has 5.6 rooms, and has a value of $161,000.

The median income for households in Watertown, South Dakota is $48,485, while the mean household income is $66,365.

Watertown Sd Demographics

According to the most recent ACS, the racial composition of Watertown Sd was:

  • White: 94.53%
  • Two or more races: 2.18%
  • Native American: 2.09%
  • Asian: 0.58%
  • Black or African American: 0.49%
  • Other race: 0.09%
  • Native Hawaiian or Pacific Islander: 0.04%
LatLng(44.8994, -97.1151)
Rank in State5th
StateSouth Dakota
CountyCodington County
Time ZoneCentral Time Zone
Land Area (km²)46.52 (17.96 mi²)
Water Area (km²)20.66 (7.98 mi²)
TypeCity
GEOID4669300
Density (km²)476.23
Density (mi²)1,233.43
Area Code(s)605
Year Population Growth Annual Growth Rate
201822,153-48-0.22%
201722,201660.30%
201622,1351070.49%
201522,028-37-0.17%
201422,065690.31%
201321,9961680.77%
201221,8281570.72%
201121,6711500.70%
201021,5211,2840.62%
200020,2372,6451.41%
199017,5921,9431.18%
198015,6492,2611.57%
197013,388-689-0.50%
196014,0771,3781.04%
195012,6992,0821.81%
194010,6174030.39%
193010,2148140.83%
19209,4002,3902.98%
19107,0103,6587.66%
19003,3526802.29%
18902,6720.00%

Population by Race

Race Population
White20,876
Two or More Races482
American Indian and Alaska Native461
Asian129
Black or African American108
Some Other Race19
Native Hawaiian and Other Pacific Islander8

Watertown Sd Population Pyramid 2019

Watertown Sd Median Age

36.6


Total

35.1


Male

38.6


Female

Watertown Sd Adults

There are 16,698 adults, (3,594 of whom are seniors) in Watertown Sd.

Watertown Sd Age Dependency

68.5

Age Dependency Ratio

27.4

Old Age Dependency Ratio

41.1

Child Dependency Ratio

Watertown Sd Sex Ratio

Female

11,171

50.59%

Male

10,912

49.41%

Watertown Sd Households and Families

Watertown Sd Renter vs Owner Occupied by Household Type

Watertown Sd Household Types

Type Owner Renter
Married86.6%13.4%
All59.7%40.3%
Female49.5%50.5%
Non Family35.2%64.8%
Male35%65%

59.7%

Rate of Home Ownership

Type Count Average Size Owned
All9,5552.2559.7
Married4,2642.9786.6
Non Family3,9881.2535.2
Female1,0633.0349.5
Male2402.6535

2.87

Average Family Size

2.25

Average Household Size

6.8%

Unmarried (Opposite Sex)

0.1%

Unmarried (Same Sex)

Watertown Sd Education

Education Attained Count Percentage
Less Than 9th Grade5123.48%
9th to 12th Grade7755.27%
High School Graduate5,22035.48%
Some College2,98120.26%
Associates Degree2,00013.59%
Bachelors Degree2,64217.96%
Graduate Degree5823.96%

Watertown Sd Educational Attainment by Race

Name Total High School Bachelors
White13,83912,6743,054
Multiple Races26522352
Hispanic25220450
Native American2101784
Asian11211271
Black10410420
Other Race19191

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

The highest rate of bachelors degrees is among asian people with a rate of 63.39%.

Name Average Male Female
Overall$31,643$41,115$24,069
Less Than High School$25,213$29,872$9,956
High School Grad$29,539$34,841$22,753
Some College$31,192$43,046$24,459
Bachelors Degree$39,297$59,191$31,462
Graduate Degree$47,440$58,333$39,934

$31,643

Average Earnings

$41,115

Average Male

$24,069

Average Female

Watertown Sd Language

Watertown Sd Language by Age

Watertown Sd Language

97.46% of Watertown Sd residents speak only English, while 2.54% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.01% of the population.

Watertown Sd Poverty

Watertown Sd Poverty by Race

Name Total In Poverty Poverty Rate
White20,1702,46812.24%
Native42921349.65%
Hispanic5399016.70%
Multiple458255.46%
Asian1292116.28%
Other191894.74%
Black104109.62%

13.00%

Overall Poverty Rate

11.55%

Male Poverty Rate

14.40%

Female Poverty Rate

Poverty in Watertown Sd

The race most likely to be in poverty in Watertown Sd is Other, with 94.74% below the poverty level.

The race least likely to be in poverty in Watertown Sd is Multiple, with 5.46% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.07%. Among those working part-time, it was 21.87%, and for those that did not work, the poverty rate was 23.79%.

Name Poverty
Less Than High School23.67%
High School10.97%
Some College7.98%
Bachelors or Greater3.69%
Name Poverty
Male Unemployed22.18%
Female Unemployed19.54%
Female Employed9.97%
Male Employed5.44%

Watertown Sd Income

Watertown Sd Income by Household Type

Name Median Mean
Households$48,485$66,365
Families$67,468$81,743
Married Families$78,514-
Non Families$29,901$42,688

Watertown Sd Marital Status

Watertown Sd Marital Status

Marriage Rates

50.3%

Overall Marriage Rate

52.3%

Male Marriage Rate

48.3%

Female Marriage Rate

Watertown Sd Married by Age and Sex

Watertown Sd Marriage

The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 55-64.

Watertown Sd Marital Status by Race

Watertown Sd Veterans

1,796

Number of Veterans

1,652

Male Veterans

144

Female Veterans

War Veterans
Vietnam576
Second Gulf War379
First Gulf War327
Korea235
World War II55

Watertown Sd Veterans by Race

Name Veterans % of Total
White1,78611.26%
Hispanic4515.52%
Indian103.53%

Watertown Sd Veterans by Education

7.60%

Veteran Poverty Rate

26.67%

Veteran Disability Rate

Watertown Sd Employment Status

71.6%

Labor Force Participation

69.6%

Employment Rate

2.6%

Unemployment Rate

Watertown Sd Place of Birth

Origin of Non Citizens

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

Origin of Naturalized Citizens

73.45%

Born in South Dakota

98.66%

Native Born

1.34%

Foreign Born

0.54%

Non Citizen

Place of Birth

98.66% of Watertown Sd residents were born in the United States, with 73.45% having been born in South Dakota. 0.54% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.