Rio, Illinois Population 2021

205
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Rio is a city located in Knox County Illinois. With a 2020 population of 205, it is the 1122nd largest city in Illinois and the 16617th largest city in the United States . Rio is currently declining at a rate of -0.49% annually and its population has decreased by -6.82% since the most recent census, which recorded a population of 220 in 2010. Rio reached it's highest population of in . Spanning over 0 miles, Rio has a population density of 656 people per square mile.

The average household income in Rio is $61,621 with a poverty rate of 12.64%. The median rental costs in recent years comes to $575 per month, and the median house value is $86,100. The median age in Rio is 49.9 years, 44.2 years for males, and 55 years for females.

Rio Demographics

According to the most recent ACS, the racial composition of Riowas:

  • White: 93.41%
  • Black or African American: 4.95%
  • Two or more races: 1.10%
  • Asian: 0.55%
  • Native American: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
  • Other race: 0.00%
The current population of Rio, Illinois is 205 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 207.The last official US Census in 2010 recorded the population at 220.

Rio, Illinois Population 2021

Population by Race

Race Population Percentage
White17093.41%
Black or African American94.95%
Two or More Races21.10%
Asian10.55%
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Rio Population by Race

Rio Population Pyramid $2021

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Rio Median Age

49.9


Total

44.2


Male

55


Female

Rio Adults

There are 158 adults, (57 of whom are seniors) in Rio.

Rio Age Dependency

80.2

Age Dependency Ratio

56.4

Old Age Dependency Ratio

23.8

Child Dependency Ratio

Rio Sex Ratio

Female

86

47.25%

Male

96

52.75%

Rio Population by Age

Rio Renter vs Owner Occupied by Household Type

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Rio Household Types

Type Owner Renter
Married92.7%7.3%
All93.8%6.3%
Non Family94.7%5.3%
Male100%0%
Female100%0%

93.8%

Rate of Home Ownership

Rio Households and Families

Type Count Average Size Owned
All802.2893.8
Married552.6992.7
Non Family191.0594.7
Female52.4100
Male12100

2.62

Average Family Size

2.28

Average Household Size

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Rio Households by Type

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Education Attained Count Percentage
Less Than 9th Grade53.52%
9th to 12th Grade32.11%
High School Graduate6142.96%
Some College4430.99%
Associates Degree2014.08%
Bachelors Degree74.93%
Graduate Degree21.41%
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Rio Educational Attainment by Sex (over 25)

Rio Educational Attainment by Race

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Race Total High School Bachelors
White1381309
Hispanic33
Asian11

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

The highest rate of bachelors degrees is among white people with a rate of 6.52%.

Rio Educational Attainment by Race

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Name Average Male Female
Overall$32,344$45,625$24,500
Less Than 9th Grade$$$
High School Graduate$30,750$53,125$23,500
Some College$37,917$40,000$30,417
Bachelors Degree$$$
Graduate Degree$$$

$32,344

Average Earnings

$45,625

Average Male

$24,500

Average Female

Rio Earnings by Educational Attainment

Rio Language by Age

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Rio Language

98.29% of Rio residents speak only English, while 1.71% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.14% of the population.

Rio Language

Rio Poverty by Race

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12.64%

Overall Poverty Rate

17.71%

Male Poverty Rate

6.98%

Female Poverty Rate

Poverty in Rio

The race most likely to be in poverty in Rio is Black, with 100.00% below the poverty level.

The race least likely to be in poverty in Rio is White, with 8.70% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.00%. Among those working part-time, it was 0.00%, and for those that did not work, the poverty rate was 31.08%.

Rio Poverty

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Name Poverty
Less Than 9th Grade37.50%
Some College9.38%
High School8.20%
Bachelors or Greater0.00%

Rio Poverty Rate by Education

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Rate Poverty
Female Unemployed0.00%
Male Unemployed81.82%
Female Employed0.00%
Male Employed0.00%

Rio Poverty Rate by Employment Status and Sex

Rio Income by Household Type

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Name Median Mean
Households$54,167$61,621
Families$69,583$72,134
Married Families$67,917-
Non Families$25,417$27,242
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Income by Household Type

Rio Marital Status

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Marriage Rates

68.7%

Overall Marriage Rate

61.4%

Male Marriage Rate

77.3%

Female Marriage Rate

Rio Married by Age and Sex

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Rio Marriage

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.

Rio Marital Status by Race

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Rio Marital Status

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27

Number of Veterans

27

Male Veterans

Female Veterans

War Veterans
Vietnam11
Second Gulf War6
Korea5
First Gulf War3
World War II

Rio Veterans by War

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Age Group Veterans
65 to 749
75+7
18 to 346
35 to 543
55 to 642

Rio Veterans by Age

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Name Veterans % of Total
White2315.54%
Black444.44%

Rio Veterans by Race

Rio Veterans by Education

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22.22%

Veteran Poverty Rate

29.63%

Veteran Disability Rate

Rio Veterans by Education

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56.3%

Labor Force Participation

49.4%

Employment Rate

12.4%

Unemployment Rate

Rio Employment by Age

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Rio Employment by Race

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Rio 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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79.12%

Born in Rio

99.45%

Native Born

0.55%

Foreign Born

0.55%

Non Citizen

0.00%

Naturalized

Place of Birth

99.45% of Rio residents were born in the United States, with 79.12% having been born in Illinois. 0.55% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Rio Place of Birth

Note: 2020 and 2021 data is projected
Year Population Growth Annual Growth Rate
2021205-1-0.49%
2020206-1-0.48%
2019207-1-0.48%
2018208-3-1.42%
2017211-1-0.47%
2016212-2-0.93%
2015214-3-1.38%
20142170.00%
2013217-1-0.46%
2012218-1-0.46%
2011219-1-0.45%
20102200.00%

Rio Population by Year