Watertown is a city located in Codington County South Dakota. Watertown has a 2024 population of 23,413. Watertown is currently growing at a rate of 0.79% annually and its population has increased by 3.24% since the most recent census, which recorded a population of 22,679 in 2020.
The average household income in Watertown is $81,097 with a poverty rate of 10.69%. The median age in Watertown is 39.4 years: 38.7 years for males, and 40.3 years for females.
According to the most recent ACS, the racial composition of Watertown was:
Race | Population | Percentage (of total) |
|---|---|---|
| White | 20,638 | 90.28% |
| Two or more races | 1,064 | 4.65% |
| Native American | 530 | 2.32% |
| Black or African American | 277 | 1.21% |
| Other race | 205 | 0.9% |
| Asian | 145 | 0.63% |
| Native Hawaiian or Pacific Islander | 0 | 0% |
White
Two or more races
Native American
Black or African American
Other race
Asian
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 10,237 | 2.18 | 62.7 | 37.3 |
| Non Family | 4,662 | 1.24 | 48 | 52 |
| Married | 4,079 | 3.01 | 83.8 | 16.2 |
| Female | 851 | 2.94 | 45.1 | 54.9 |
| Male | 645 | 2.75 | 58.6 | 41.4 |
2.88
Average Family Size
2.18
Average Household Size
62.7%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Education Attained | Count | Percentage |
|---|---|---|
| 9th to 12th Grade | 964 | 6.17% |
| Associates Degree | 2,348 | 15.03% |
| Bachelors Degree | 2,320 | 14.85% |
| Graduate Degree | 996 | 6.38% |
| High School Graduate | 5,800 | 37.13% |
| Less Than 9th Grade | 381 | 2.44% |
| Some College | 2,813 | 18.01% |
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 14,529 | 13,450 | 3,214 |
| 2+ Races | 433 | 428 | 91 |
| Hispanic | 344 | 313 | 58 |
| Native American | 322 | 222 | 0 |
| Black | 169 | 50 | 0 |
| Other Race | 128 | 86 | 0 |
| Asian | 9 | 9 | 0 |
The highest rate of high school graduation is among asian people with a rate of 100%.
The highest rate of bachelors degrees is among white people with a rate of 22.12%.
All
Male
Female
Name | Average | Male | Female |
|---|---|---|---|
| Bachelors Degree | $54,510 | $72,191 | $42,438 |
| Graduate Degree | $61,891 | $98,355 | $60,000 |
| High School Graduate | $40,656 | $47,242 | $32,200 |
| Less Than 9th Grade | $33,835 | $47,515 | $21,458 |
| Overall | $44,668 | $54,203 | $37,725 |
| Some College | $44,023 | $57,486 | $38,071 |
$44,668
Average Earnings
$54,203
Average Male
$37,725
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
96.48% of Watertown residents speak only English, while 3.52% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.83% of the population.
rate
Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 20,226 | 1,856 | 9.18% |
| Hispanic | 757 | 222 | 29.33% |
| Native | 505 | 219 | 43.37% |
| Multiple | 1,051 | 141 | 13.42% |
| Other | 203 | 84 | 41.38% |
| Asian | 145 | 44 | 30.34% |
| Black | 277 | 17 | 6.14% |
10.69%
Overall Poverty Rate
9.49%
Male Poverty Rate
11.94%
Female Poverty Rate
The race most likely to be in poverty in Watertown is Native, with 43.37% below the poverty level.
The race least likely to be in poverty in Watertown is Black, with 6.14% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 2.35%. Among those working part-time, it was 20.88%, and for those that did not work, the poverty rate was 15.72%.
rate
Rate | Poverty |
|---|---|
| Less Than 9th Grade | 18.3% |
| Some College | 10.56% |
| High School | 7.98% |
| Bachelors or Greater | 2.54% |
rate
Rate | Poverty |
|---|---|
| Male Unemployed | 71.43% |
| Female Unemployed | 16.41% |
| Female Employed | 9.34% |
| Male Employed | 5.81% |
Households
Families
MarriedFamilies
NonFamilies
Name | Median | Mean |
|---|---|---|
| Families | $84,485 | $100,183 |
| Households | $62,721 | $81,097 |
| Married Families | $95,229 | $-999,999,999 |
| Non Families | $44,211 | $55,380 |
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
45.8%
Overall Marriage Rate
42.9%
Male Marriage Rate
48.8%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.
Married
Widowed
Divorced
Separated
NeverMarried
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
1,452
Number of Veterans
1,385
Male Veterans
67
Female Veterans
War | Veterans |
|---|---|
| Vietnam | 461 |
| First Gulf War | 384 |
| Second Gulf War | 282 |
| Korea | 92 |
| World War II | 47 |
count
Age Group | Veterans |
|---|---|
| 55 to 64 | 463 |
| 75+ | 376 |
| 65 to 74 | 326 |
| 35 to 54 | 243 |
| 18 to 34 | 44 |
count
Name | Veterans | % of Total |
|---|---|---|
| White | 1,328 | 8.15% |
| Other Race | 75 | 36.59% |
| Hispanic | 51 | 11.86% |
| Native American | 31 | 7.29% |
| 2+ Races | 18 | 3.62% |
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
2.81%
Veteran Poverty Rate
26.72%
Veteran Disability Rate
LaborForceParticipation
67.4%
Labor Force Participation
66%
Employment Rate
2%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
68.29%
Born in Watertown
98.69%
Native Born
1.31%
Foreign Born
0.94%
Non Citizen
0.37%
Naturalized
98.69% of Watertown residents were born in the United States, with 68.29% having been born in South Dakota. 0.94% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Africa.
Year | Population | Growth | Change |
|---|---|---|---|
| 2029 | 24,332 | 184 | 0.76% |
| 2028 | 24,148 | 184 | 0.77% |
| 2027 | 23,964 | 183 | 0.77% |
| 2026 | 23,781 | 184 | 0.78% |
| 2025 | 23,597 | 184 | 0.79% |
| 2024 | 23,413 | 183 | 0.79% |
| 2023 | 23,230 | 199 | 0.86% |
| 2022 | 23,031 | 235 | 1.03% |
| 2021 | 22,796 | 117 | 0.52% |
| 2020 | 22,679 | 439 | 1.97% |
| 2019 | 22,240 | 10 | 0.04% |
| 2018 | 22,230 | -90 | -0.4% |
| 2017 | 22,320 | 145 | 0.65% |
| 2016 | 22,175 | 119 | 0.54% |
| 2015 | 22,056 | -25 | -0.11% |
| 2014 | 22,081 | 76 | 0.35% |
| 2013 | 22,005 | 167 | 0.76% |
| 2012 | 21,838 | 163 | 0.75% |
| 2011 | 21,675 | 155 | 0.72% |
| 2010 | 21,520 | 0 | 0% |
| 2000 | 20,237 | 2,645 | 15.04% |
| 1990 | 17,592 | 1,943 | 12.42% |
| 1980 | 15,649 | 2,261 | 16.89% |
| 1970 | 13,388 | -689 | -4.89% |
| 1960 | 14,077 | 1,378 | 10.85% |
| 1950 | 12,699 | 2,082 | 19.61% |
| 1940 | 10,617 | 403 | 3.95% |
| 1930 | 10,214 | 814 | 8.66% |
| 1920 | 9,400 | 2,390 | 34.09% |
| 1910 | 7,010 | 3,658 | 109.13% |
| 1900 | 3,352 | 680 | 25.45% |
| 1890 | 2,672 | -21,660 | -89.02% |