Rio is a city located in Knox County and Mercer County Illinois. Rio has a 2024 population of 199. Rio is currently declining at a rate of -1% annually and its population has decreased by -4.78% since the most recent census, which recorded a population of 209 in 2020.
The average household income in Rio is $80,753 with a poverty rate of 17.95%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Rio is 46.1 years, 47.3 years for males, and 42.8 years for females.
According to the most recent ACS, the racial composition of Rio was:
White
Black or African American
Two or more races
Native American
Asian
Native Hawaiian or Pacific Islander
Other race
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 79 | 2.47 | 78.5 | 21.5 |
| Married | 42 | 2.69 | 83.3 | 16.7 |
| Non Family | 20 | 1.1 | 75 | 25 |
| Female | 11 | 3.36 | 81.8 | 18.2 |
| Male | 6 | 3.83 | 50 | 50 |
2.83
Average Family Size
2.47
Average Household Size
78.5%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
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
The highest rate of high school graduation is among black people with a rate of 100%.
The highest rate of bachelors degrees is among white people with a rate of 14.93%.
All
Male
Female
$38,958
Average Earnings
$49,821
Average Male
$31,250
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
99.44% of Rio residents speak only English, while 0.56% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 0.56% of the population.
rate
17.95%
Overall Poverty Rate
10.47%
Male Poverty Rate
23.85%
Female Poverty Rate
The race most likely to be in poverty in Rio is Hispanic, with 47.37% below the poverty level.
The race least likely to be in poverty in Rio is White, with 15.2% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 3.95%. Among those working part-time, it was 12.9%, and for those that did not work, the poverty rate was 20.34%.
Married
Widowed
Divorced
Separated
NeverMarried
52.7%
Overall Marriage Rate
48.8%
Male Marriage Rate
56.5%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 45-54.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
4.76%
Veteran Poverty Rate
33.33%
Veteran Disability Rate
LaborForceParticipation
63.9%
Labor Force Participation
60.8%
Employment Rate
4.7%
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
78.97%
Born in Rio
100%
Native Born
0%
Foreign Born
0%
Non Citizen
0%
Naturalized
100% of Rio residents were born in the United States, with 78.97% having been born in Illinois. 0% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 186 | -3 | -1.59% |
| 2028 | 189 | -2 | -1.05% |
| 2027 | 191 | -3 | -1.55% |
| 2026 | 194 | -2 | -1.02% |
| 2025 | 196 | -3 | -1.51% |
| 2024 | 199 | -2 | -1% |
| 2023 | 201 | -3 | -1.47% |
| 2022 | 204 | -3 | -1.45% |
| 2021 | 207 | -2 | -0.96% |
| 2020 | 209 | 2 | 0.97% |
| 2019 | 207 | -2 | -0.96% |
| 2018 | 209 | -2 | -0.95% |
| 2017 | 211 | -1 | -0.47% |
| 2016 | 212 | -2 | -0.93% |
| 2015 | 214 | -2 | -0.93% |
| 2014 | 216 | -1 | -0.46% |
| 2013 | 217 | -1 | -0.46% |
| 2012 | 218 | -1 | -0.46% |
| 2011 | 219 | -1 | -0.45% |
| 2010 | 220 | 0 | 0% |