Rock Island, Oklahoma Population 2020

644
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Rock Island is a city located in Oklahoma. With a 2020 population of 644, it is the 284th largest city in Oklahoma and the 12243rd largest city in the United States. Rock Island is currently declining at a rate of -0.16% annually and its population has decreased by -0.31% since the most recent census, which recorded a population of 646 in 2010. Rock Island reached it's highest population of 658 in 2010. Spanning over 12 miles, Rock Island has a population density of 53 people per square mile.

The average household income in Rock Island is $58,235 with a poverty rate of 21.11%. The median rental costs in recent years comes to $650 per month, and the median house value is $93,300. The median age in Rock Island is 43.6 years, 44.3 years for males, and 41.9 years for females. For every 100 females there are 99.0 males.

Rock Island Demographics

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

  • White: 86.27%
  • Two or more races: 8.29%
  • Native American: 4.15%
  • Asian: 0.78%
  • Black or African American: 0.52%
  • Native Hawaiian or Pacific Islander: 0.00%
  • Other race: 0.00%
The current population of Rock Island, Oklahoma is 644, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 646.The last official US Census in 2010 recorded the population at 646.

Rock Island, Oklahoma Population 2020

Population by Race

Race Population Percentage
White66686.27%
Two or More Races648.29%
American Indian and Alaska Native324.15%
Asian60.78%
Black or African American40.52%
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Rock Island Population Pyramid 2020

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Rock Island Median Age

43.6


Total

44.3


Male

41.9


Female

Rock Island Adults

There are 589 adults, (120 of whom are seniors) in Rock Island.

Rock Island Age Dependency

64.6

Age Dependency Ratio

25.6

Old Age Dependency Ratio

39

Child Dependency Ratio

Rock Island Sex Ratio

Female

388

50.26%

Male

384

49.74%

Rock Island Households and Families

Rock Island Renter vs Owner Occupied by Household Type

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Rock Island Household Types

Type Owner Renter
Non Family82.2%17.8%
Married79.5%20.5%
All76.6%23.4%
Male57.1%42.9%
Female56.4%43.6%

76.6%

Rate of Home Ownership

Type Count Average Size Owned
All2902.6676.6
Married1713.1579.5
Non Family731.3282.2
Female392.9556.4
Male73.1457.1

3.03

Average Family Size

2.66

Average Household Size

2.4%

Unmarried (Opposite Sex)

0%

Unmarried (Same Sex)

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Rock Island Education

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Education Attained Count Percentage
Less Than 9th Grade529.56%
9th to 12th Grade6612.13%
High School Graduate24945.77%
Some College10419.12%
Associates Degree244.41%
Bachelors Degree244.41%
Graduate Degree254.60%
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Rock Island Educational Attainment by Race

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Name Total High School Bachelors
White48537637
Multiple Races33255
Native American19197
Hispanic44
Black44
Asian32

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 native american people with a rate of 36.84%.

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Name Average Male Female
Overall$35,208$40,972$30,000
Less Than High School$27,000$29,500$
High School Grad$30,673$38,125$29,219
Some College$36,563$45,694$33,000
Bachelors Degree$$$
Graduate Degree$70,417$71,250$

$35,208

Average Earnings

$40,972

Average Male

$30,000

Average Female

Rock Island Language

Rock Island Language by Age

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Rock Island Language

98.90% of Rock Island residents speak only English, while 1.10% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 0.83% of the population.

Rock Island Poverty

Rock Island Poverty by Race

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Name Total In Poverty Poverty Rate
White66314521.87%
Multiple641320.31%
Hispanic9555.56%
Native3226.25%

21.11%

Overall Poverty Rate

20.57%

Male Poverty Rate

21.65%

Female Poverty Rate

Poverty in Rock Island

The race most likely to be in poverty in Rock Island is Hispanic, with 55.56% below the poverty level.

The race least likely to be in poverty in Rock Island is Native, with 6.25% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 6.83%. Among those working part-time, it was 19.78%, and for those that did not work, the poverty rate was 33.79%.

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Name Poverty
Less Than High School31.36%
High School26.91%
Some College10.94%
Bachelors or Greater4.08%
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Name Poverty
Female Unemployed0.00%
Male Unemployed25.00%
Male Employed11.80%
Female Employed9.41%

Rock Island Income

Rock Island Income by Household Type

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Name Median Mean
Households$43,958$58,235
Families$48,906$67,090
Married Families$58,906-
Non Families$15,469$29,305
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Rock Island Marital Status

Rock Island Marital Status

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Marriage Rates

58.3%

Overall Marriage Rate

60.5%

Male Marriage Rate

56.1%

Female Marriage Rate

Rock Island Married by Age and Sex

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Rock Island 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.

Rock Island Marital Status by Race

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Rock Island Veterans

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52

Number of Veterans

48

Male Veterans

4

Female Veterans

War Veterans
First Gulf War19
Korea18
Vietnam9
Second Gulf War2
World War II
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Age Group Veterans
75+18
35 to 5417
55 to 6415
65 to 742
18 to 34
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Name Veterans % of Total
White509.54%
Indian28.70%

Rock Island Veterans by Education

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13.46%

Veteran Poverty Rate

48.08%

Veteran Disability Rate

Rock Island Employment Status

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53.8%

Labor Force Participation

52.5%

Employment Rate

2.4%

Unemployment Rate

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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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31.87%

Born in Oklahoma

99.35%

Native Born

0.65%

Foreign Born

0.65%

Non Citizen

0.00%

Naturalized

Place of Birth

99.35% of Rock Island residents were born in the United States, with 31.87% having been born in Oklahoma. 0.65% 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
2020644-1-0.16%
2019645-1-0.15%
201864610.16%
2017645-1-0.15%
201664610.16%
2015645-2-0.31%
2014647-2-0.31%
2013649-1-0.15%
2012650-4-0.61%
2011654-4-0.61%
20106580.00%