Olio, Illinois Population 2024

4,637

Olio is a city located in Illinois. Olio has a 2024 population of 4,637. Olio is currently declining at a rate of -0.24% annually and its population has decreased by -1.32% since the most recent census, which recorded a population of 4,699 in 2020.

The average household income in Olio is $64,912 with a poverty rate of 15.14%. The median age in Olio is 40.1 years: 38.7 years for males, and 40.3 years for females.

Olio Demographics

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

  • White: 89.44%
  • Other race: 4.91%
  • Two or more races: 3.27%
  • Black or African American: 1.96%
  • Asian: 0.43%
  • Native American: 0%
  • Native Hawaiian or Pacific Islander: 0%
Land Area (mi²)
31.4 sq mi
Density (mi²)
147.50/sq mi
Growth Since 2020
-1.32% (-62)
The current population of Olio, Illinois is 4,637 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 4,699.

Population by Race

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Race
Population
Percentage (of total)
White4,20889.44%
Other race2314.91%
Two or more races1543.27%
Black or African American921.96%
Asian200.43%
Native American00%
Native Hawaiian or Pacific Islander00%

White

Other race

Two or more races

Black or African American

Asian

Native American

Native Hawaiian or Pacific Islander

Olio Population by Race

Olio Population Pyramid 2024

Olio Median Age

40.1

Total

38.7

Male

40.3

Female

Olio Adults

There are 3,966 adults, (1,023 of whom are seniors) in Olio.

Olio Age Dependency

59.9

Age Dependency Ratio

34.8

Old Age Dependency Ratio

25.1

Child Dependency Ratio

Olio Sex Ratio

Female2,65956.51%
Male2,04643.49%

Olio Population by Age

Olio Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All2,0711.9966.233.8
Married1,0302.5371.328.7
Non Family8481.0465.334.7
Female1553.2153.546.5
Male383.470100

2.57

Average Family Size

1.99

Average Household Size

66.2%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Olio Households and Families

Male

Female

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Education Attained
Count
Percentage
9th to 12th Grade1384.58%
Associates Degree2578.52%
Bachelors Degree54618.1%
Graduate Degree31310.38%
High School Graduate1,06635.34%
Less Than 9th Grade491.62%
Some College64721.45%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Olio Educational Attainment by Sex (over 25)

Olio Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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Race
Total
High School
Bachelors
White2,7662,586666
Other Race138138129
Hispanic10210264
2+ Races646464
Black18120
Asian100

The highest rate of high school graduation is among other race people with a rate of 100%.

The highest rate of bachelors degrees is among 2+ races people with a rate of 100%.

Olio Educational Attainment by Race

All

Male

Female

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Name
Average
Male
Female
Bachelors Degree$66,250$69,805$45,208
Graduate Degree$48,092$0$48,092
High School Graduate$30,114$28,616$36,570
Less Than 9th Grade$26,395$0$0
Overall$37,279$41,875$36,966
Some College$40,938$58,625$28,333

$37,279

Average Earnings

$41,875

Average Male

$36,966

Average Female

Olio Earnings by Educational Attainment

Olio Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Olio Language

98.9% of Olio residents speak only English, while 1.1% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 0.61% of the population.

Olio Language

Olio Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White3,70553014.3%
Multiple1334634.59%
Hispanic2043617.65%
Asian1919100%
Other222188.11%
Black341441.18%

15.14%

Overall Poverty Rate

14.23%

Male Poverty Rate

15.79%

Female Poverty Rate

Poverty in Olio

The race most likely to be in poverty in Olio is Asian, with 100% below the poverty level.

The race least likely to be in poverty in Olio is Other, with 8.11% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 4.92%. Among those working part-time, it was 32.56%, and for those that did not work, the poverty rate was 18.48%.

Olio Poverty

rate

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Rate
Poverty
Less Than 9th Grade21.05%
High School19.96%
Some College10.43%
Bachelors or Greater7.53%

Olio Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed100%
Male Unemployed20%
Female Employed19.95%
Male Employed11.49%

Olio Poverty Rate by Employment Status and Sex

Olio Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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Name
Median
Mean
Families$67,884$75,529
Households$45,259$64,912
Married Families$69,876$-999,999,999
Non Families$23,571$47,683

mean

median

Income by Household Type

Olio Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

53.1%

Overall Marriage Rate

61.3%

Male Marriage Rate

46.6%

Female Marriage Rate

Olio Married by Age and Sex

male

female

Olio 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.

Olio Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Olio Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

168

Number of Veterans

139

Male Veterans

29

Female Veterans

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War
Veterans
Vietnam56
Korea22
First Gulf War14
World War II14
Second Gulf War6

Olio Veterans by War

count

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Age Group
Veterans
75+54
35 to 5449
65 to 7439
55 to 6426
18 to 340

Olio Veterans by Age

count

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Name
Veterans
% of Total
White1684.64%
Hispanic2925.44%

Olio Veterans by Race

Olio Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

0%

Veteran Poverty Rate

6.35%

Veteran Disability Rate

Olio Veterans by Education

LaborForceParticipation

60.1%

Labor Force Participation

54.9%

Employment Rate

7.9%

Unemployment Rate

Olio Employment by Age

LaborForceParticipation

Olio Employment by Race

LaborForceParticipation

Olio Employment by Education

Origin of Non-Citizens

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.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

80.45%

Born in Olio

99.06%

Native Born

0.94%

Foreign Born

0.45%

Non Citizen

0.49%

Naturalized

Place of Birth

99.06% of Olio residents were born in the United States, with 80.45% having been born in Illinois. 0.45% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Olio Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
20294,582-11-0.24%
20284,593-11-0.24%
20274,604-11-0.24%
20264,615-11-0.24%
20254,626-11-0.24%
20244,637-11-0.24%
20234,648-11-0.24%
20224,659-11-0.24%
20214,670-29-0.62%
20204,699-156-3.21%
20194,855-22-0.45%
20184,877-30-0.61%
20174,907-30-0.61%
20164,937250.51%
20154,912-30-0.61%
20144,942-14-0.28%
20134,95610.02%
20124,955-7-0.14%
20114,962370.75%
20104,92500%

Olio Population by Year