Stillwater, Minnesota Population 2021

20,131
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Stillwater is a city located in Washington County Minnesota. It is also the county seat of Washington County. With a 2020 population of 20,131, it is the 59th largest city in Minnesota and the 1843rd largest city in the United States . Stillwater is currently growing at a rate of 1.27% annually and its population has increased by 10.46% since the most recent census, which recorded a population of 18,225 in 2010. Stillwater reached it's highest population of 20,131 in 2021. Spanning over 9 miles, Stillwater has a population density of 2,501 people per square mile.

The average household income in Stillwater is $120,625 with a poverty rate of 4.94%. The median rental costs in recent years comes to $1,014 per month, and the median house value is $291,400. The median age in Stillwater is 41.6 years, 41.1 years for males, and 42.1 years for females.

Stillwater Demographics

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

  • White: 91.33%
  • Two or more races: 4.11%
  • Black or African American: 2.57%
  • Asian: 1.07%
  • Other race: 0.64%
  • Native American: 0.27%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Stillwater, Minnesota is 20,131 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 19,375.The last official US Census in 2010 recorded the population at 18,225.

Stillwater, Minnesota Population 2021

Population by Race

Race Population Percentage
White17,66591.33%
Two or More Races7954.11%
Black or African American4972.57%
Asian2071.07%
Some Other Race1240.64%
American Indian and Alaska Native530.27%
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Stillwater Population by Race

Stillwater Population Pyramid $2021

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Stillwater Median Age

41.6


Total

41.1


Male

42.1


Female

Stillwater Adults

There are 14,687 adults, (3,187 of whom are seniors) in Stillwater.

Stillwater Age Dependency

68.2

Age Dependency Ratio

27.7

Old Age Dependency Ratio

40.5

Child Dependency Ratio

Stillwater Sex Ratio

Female

9,780

50.57%

Male

9,561

49.43%

Stillwater Population by Age

Stillwater Renter vs Owner Occupied by Household Type

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Stillwater Household Types

Type Owner Renter
Married92.7%7.3%
All78.1%21.9%
Female72.3%27.7%
Non Family61.4%38.6%
Male42%58%

78.1%

Rate of Home Ownership

Stillwater Households and Families

Type Count Average Size Owned
All7,4912.5178.1
Married4,0293.1292.7
Non Family2,4141.2161.4
Female6433.0672.3
Male4053.3842

3.08

Average Family Size

2.51

Average Household Size

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Stillwater Households by Type

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Education Attained Count Percentage
Less Than 9th Grade1270.95%
9th to 12th Grade3522.63%
High School Graduate2,60519.49%
Some College2,48218.57%
Associates Degree1,35010.10%
Bachelors Degree3,97829.76%
Graduate Degree2,47218.49%
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Stillwater Educational Attainment by Sex (over 25)

Stillwater Educational Attainment by Race

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Race Total High School Bachelors
White12,29611,9586,021
Hispanic408331185
2+ Races292239131
Black2382169
Asian179179140
Other Race683726
Native American4040

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

The highest rate of bachelors degrees is among asian people with a rate of 78.21%.

Stillwater Educational Attainment by Race

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Name Average Male Female
Overall$54,282$62,303$45,817
Less Than 9th Grade$21,161$$20,156
High School Graduate$30,131$32,075$26,107
Some College$41,643$47,951$38,608
Bachelors Degree$74,072$90,189$53,077
Graduate Degree$79,856$95,962$72,688

$54,282

Average Earnings

$62,303

Average Male

$45,817

Average Female

Stillwater Earnings by Educational Attainment

Stillwater Language by Age

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Stillwater Language

96.42% of Stillwater residents speak only English, while 3.58% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.84% of the population.

Stillwater Language

Stillwater Poverty by Race

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Name Total In Poverty Poverty Rate
White16,8958715.16%
Hispanic852414.81%
Multiple783192.43%
Black42820.47%
Native2913.45%

4.94%

Overall Poverty Rate

4.30%

Male Poverty Rate

5.55%

Female Poverty Rate

Poverty in Stillwater

The race most likely to be in poverty in Stillwater is White, with 5.16% below the poverty level.

The race least likely to be in poverty in Stillwater is Black, with 0.47% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.45%. Among those working part-time, it was 6.29%, and for those that did not work, the poverty rate was 11.94%.

Stillwater Poverty

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Name Poverty
High School11.88%
Less Than 9th Grade9.03%
Some College6.14%
Bachelors or Greater1.20%

Stillwater Poverty Rate by Education

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Rate Poverty
Female Unemployed15.05%
Male Unemployed11.11%
Female Employed3.47%
Male Employed1.36%

Stillwater Poverty Rate by Employment Status and Sex

Stillwater Income by Household Type

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Name Median Mean
Households$91,350$120,625
Families$109,726$142,611
Married Families$126,815-
Non Families$52,069$69,828
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Income by Household Type

Stillwater Marital Status

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Marriage Rates

53.3%

Overall Marriage Rate

53.1%

Male Marriage Rate

53.6%

Female Marriage Rate

Stillwater Married by Age and Sex

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Stillwater Marriage

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

Stillwater Marital Status by Race

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Stillwater Marital Status

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1,128

Number of Veterans

1,071

Male Veterans

57

Female Veterans

War Veterans
Vietnam472
Second Gulf War136
Korea126
First Gulf War102
World War II68

Stillwater Veterans by War

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Age Group Veterans
75+341
65 to 74318
35 to 54209
55 to 64157
18 to 34103

Stillwater Veterans by Age

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Name Veterans % of Total
White1,1288.25%
Hispanic356.10%

Stillwater Veterans by Race

Stillwater Veterans by Education

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8.18%

Veteran Poverty Rate

31.51%

Veteran Disability Rate

Stillwater Veterans by Education

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70.3%

Labor Force Participation

68.8%

Employment Rate

2%

Unemployment Rate

Stillwater Employment by Age

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Stillwater Employment by Race

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Stillwater 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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70.15%

Born in Stillwater

97.41%

Native Born

2.59%

Foreign Born

0.96%

Non Citizen

1.62%

Naturalized

Place of Birth

97.41% of Stillwater residents were born in the United States, with 70.15% having been born in Minnesota. 0.96% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Stillwater Place of Birth

Year Population Growth Annual Growth Rate
202120,1312521.27%
202019,8792521.28%
201919,6272521.30%
201819,375860.45%
201719,289640.33%
201619,22590.05%
201519,216750.39%
201419,1411110.58%
201319,0301000.53%
201218,9301630.87%
201118,767960.51%
201018,6713,5282.12%
200015,1431,2610.87%
199013,8821,5921.23%
198012,2902,0991.89%
197010,1911,8812.06%
19608,3106360.80%
19507,6746610.90%
19407,013-160-0.23%
19307,173-562-0.75%
19207,735-2,463-2.73%
191010,198-2,120-1.87%
190012,3181,0580.90%
189011,2602,2052.20%
18809,0554,9318.18%
18704,1240.00%

Stillwater Population by Year