Stillwater, Oklahoma Population 2020

50,941

Stillwater is a city located in Oklahoma. With a 2020 population of 50,941, it is the 9th largest city in Oklahoma and the 778th largest city in the United States. Stillwater is currently growing at a rate of 0.54% annually and its population has increased by 11.50% since the most recent census, which recorded a population of 45,688 in 2010. Spanning over 30 miles, Stillwater has a population density of 1,724 people per square mile.

The average household income in Stillwater is $55,880 with a poverty rate of 34.99%. The median rental costs in recent years comes to $813 per month, and the median house value is $171,700. The median age in Stillwater is 23.7 years, 23.6 years for males, and 23.7 years for females. For every 100 females there are 107.8 males.

Stillwater Demographics

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

  • White: 78.54%
  • Asian: 6.80%
  • Two or more races: 5.15%
  • Native American: 4.48%
  • Black or African American: 4.47%
  • Other race: 0.43%
  • Native Hawaiian or Pacific Islander: 0.12%
The current population of Stillwater, Oklahoma is 50,941, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 50,391.The last official US Census in 2010 recorded the population at 45,688.

Stillwater, Oklahoma Population 2020

Year Total Population Growth Annual Growth Rate
202082,3861730.21%
201982,2131730.21%
201882,0401730.21%
201781,867680.08%
201681,7994750.58%
201581,3247930.98%
201480,5318281.03%
201379,7039791.23%
201278,7245010.64%
201178,2238241.05%
201077,3990.00%

Population by Race

Race Population Percentage
White38,89878.54%
Asian3,3686.80%
Two or More Races2,5535.15%
American Indian and Alaska Native2,2214.48%
Black or African American2,2134.47%
Some Other Race2150.43%
Native Hawaiian and Other Pacific Islander590.12%

Stillwater Population Pyramid 2020

Stillwater Median Age

23.7


Total

23.6


Male

23.7


Female

Stillwater Adults

There are 41,676 adults, (4,313 of whom are seniors) in Stillwater.

Stillwater Age Dependency

32.6

Age Dependency Ratio

11.5

Old Age Dependency Ratio

21

Child Dependency Ratio

Stillwater Sex Ratio

Female

23,832

48.12%

Male

25,695

51.88%

Stillwater Households and Families

Stillwater Renter vs Owner Occupied by Household Type

Stillwater Household Types

Type Owner Renter
Married66.7%33.3%
Male38.5%61.5%
All36.3%63.7%
Non Family21.7%78.3%
Female13.7%86.3%

36.3%

Rate of Home Ownership

Type Count Average Size Owned
All18,4922.336.3
Non Family10,6721.6921.7
Married6,0373.166.7
Female1,3023.1613.7
Male4813.3138.5

3.03

Average Family Size

2.3

Average Household Size

5.8%

Unmarried (Opposite Sex)

0.1%

Unmarried (Same Sex)

Stillwater Education

Education Attained Count Percentage
Less Than 9th Grade4562.03%
9th to 12th Grade8093.60%
High School Graduate4,25718.93%
Some College4,64320.64%
Associates Degree1,6077.14%
Bachelors Degree5,58024.81%
Graduate Degree5,14222.86%

Stillwater Educational Attainment by Race

Name Total High School Bachelors
White17,15616,2877,965
Asian1,8781,8381,324
Multiple Races926884434
Black904882305
Hispanic883664332
Native American746673335
Other Race666655

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

The highest rate of bachelors degrees is among other race people with a rate of 83.33%.

Name Average Male Female
Overall$31,813$36,920$28,087
Less Than High School$$36,990$9,266
High School Grad$25,823$35,507$18,846
Some College$26,093$26,391$25,153
Bachelors Degree$31,868$35,685$29,545
Graduate Degree$58,781$62,000$51,860

$31,813

Average Earnings

$36,920

Average Male

$28,087

Average Female

Stillwater Language

Stillwater Language by Age

Stillwater Language

89.19% of Stillwater residents speak only English, while 10.81% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 4.01% of the population.

Stillwater Poverty

Stillwater Poverty by Race

Name Total In Poverty Poverty Rate
White32,19110,47732.55%
Asian2,5961,33651.46%
Native1,66782649.55%
Black1,66077746.81%
Multiple2,33776932.91%
Hispanic2,05469033.59%
Other20515274.15%

34.99%

Overall Poverty Rate

33.96%

Male Poverty Rate

36.08%

Female Poverty Rate

Poverty in Stillwater

The race most likely to be in poverty in Stillwater is Other, with 74.15% below the poverty level.

The race least likely to be in poverty in Stillwater is White, with 32.55% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 7.72%. Among those working part-time, it was 55.30%, and for those that did not work, the poverty rate was 49.18%.

Name Poverty
Less Than High School41.86%
Some College23.30%
High School19.23%
Bachelors or Greater12.95%
Name Poverty
Male Unemployed65.13%
Female Unemployed59.24%
Female Employed31.07%
Male Employed23.91%

Stillwater Income

Stillwater Income by Household Type

Name Median Mean
Households$31,808$55,880
Families$66,054$87,391
Married Families$79,950-
Non Families$20,539$31,877

Stillwater Marital Status

Stillwater Marital Status

Marriage Rates

31.2%

Overall Marriage Rate

31.0%

Male Marriage Rate

31.4%

Female Marriage Rate

Stillwater Married by Age and Sex

Stillwater 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 45-54.

Stillwater Marital Status by Race

Stillwater Veterans

1,510

Number of Veterans

1,470

Male Veterans

40

Female Veterans

War Veterans
Vietnam613
Second Gulf War477
First Gulf War236
Korea199
World War II41
Age Group Veterans
65 to 74367
75+355
55 to 64269
18 to 34266
35 to 54253
Name Veterans % of Total
White1,3474.11%
Asian692.27%
Hispanic542.86%
Black492.89%
Indian231.25%
2 or More221.15%

$Stillwater Veterans by Education

6.77%

Veteran Poverty Rate

32.98%

Veteran Disability Rate

Stillwater Employment Status

58%

Labor Force Participation

54.6%

Employment Rate

5.3%

Unemployment Rate

Stillwater 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

50.22%

Born in Oklahoma

90.00%

Native Born

10.00%

Foreign Born

8.21%

Non Citizen

Place of Birth

90.00% of Stillwater residents were born in the United States, with 50.22% having been born in Oklahoma. 8.21% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Year Population Growth Annual Growth Rate
202050,9412750.54%
201950,6662750.55%
201850,3913920.78%
201749,9992750.55%
201649,7246341.29%
201549,0906511.34%
201448,4391,0352.18%
201347,4047091.52%
201246,6954671.01%
201146,2285051.10%
201045,7236,6581.59%
200039,0652,3890.63%
199036,676-1,592-0.42%
198038,2687,1422.09%
197031,1267,1612.65%
196023,9653,7271.70%
195020,23810,1417.20%
194010,0973,0813.71%
19307,0162,3154.09%
19204,7011,2573.16%
19103,4440.00%