Oneco, Illinois Population 2024

1,235

Oneco is a city located in Illinois. Oneco has a 2024 population of 1,235. Oneco is currently declining at a rate of -0.96% annually and its population has decreased by -3.74% since the most recent census, which recorded a population of 1,283 in 2020.

The average household income in Oneco is $73,037 with a poverty rate of 10.66%. The median age in Oneco is 42.9 years: 42.8 years for males, and 43 years for females.

Oneco Demographics

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

  • White: 99%
  • Other race: 0.38%
  • Black or African American: 0.31%
  • Two or more races: 0.31%
  • Native American: 0%
  • Asian: 0%
  • Native Hawaiian or Pacific Islander: 0%
Land Area (mi²)
27.5 sq mi
Density (mi²)
45.0/sq mi
Growth Since 2020
-3.74% (-48)
The current population of Oneco, Illinois is 1,235 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 1,283.

Population by Race

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Race
Population
Percentage (of total)
White1,29399%
Other race50.38%
Black or African American40.31%
Two or more races40.31%
Native American00%
Asian00%
Native Hawaiian or Pacific Islander00%

White

Other race

Black or African American

Two or more races

Native American

Asian

Native Hawaiian or Pacific Islander

Oneco Population by Race

Oneco Population Pyramid 2024

Oneco Median Age

42.9

Total

42.8

Male

43

Female

Oneco Adults

There are 997 adults, (230 of whom are seniors) in Oneco.

Oneco Age Dependency

70.3

Age Dependency Ratio

30

Old Age Dependency Ratio

40.3

Child Dependency Ratio

Oneco Sex Ratio

Female61346.94%
Male69353.06%

Oneco Population by Age

Oneco Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All5442.483.616.4
Married2733.0794.95.1
Non Family2051.1368.331.7
Female503.528614
Male163.7581.318.8

3

Average Family Size

2.4

Average Household Size

83.6%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Oneco Households and Families

Male

Female

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Education Attained
Count
Percentage
9th to 12th Grade505.61%
Associates Degree13815.49%
Bachelors Degree9110.21%
Graduate Degree293.25%
High School Graduate30834.57%
Less Than 9th Grade60.67%
Some College26930.19%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Oneco Educational Attainment by Sex (over 25)

Oneco Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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Race
Total
High School
Bachelors
White877825120
2+ Races440
Black400
Other Race330
Hispanic330

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 white people with a rate of 13.68%.

Oneco Educational Attainment by Race

All

Male

Female

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Name
Average
Male
Female
Bachelors Degree$46,708$45,813$58,750
Graduate Degree$41,477$41,591$0
High School Graduate$37,262$50,833$36,250
Less Than 9th Grade$46,111$51,875$23,750
Overall$44,063$52,500$35,556
Some College$40,833$59,875$33,516

$44,063

Average Earnings

$52,500

Average Male

$35,556

Average Female

Oneco Earnings by Educational Attainment

Oneco Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Oneco Language

99.19% of Oneco residents speak only English, while 0.81% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 0.4% of the population.

Oneco Language

Oneco Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White1,27913510.56%
Hispanic33100%

10.66%

Overall Poverty Rate

8.5%

Male Poverty Rate

13.05%

Female Poverty Rate

Poverty in Oneco

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

The race least likely to be in poverty in Oneco is White, with 10.56% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 4.96%. Among those working part-time, it was 7.27%, and for those that did not work, the poverty rate was 14.34%.

Oneco Poverty

rate

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Rate
Poverty
Less Than 9th Grade21.43%
Some College8.85%
High School6.17%
Bachelors or Greater0%

Oneco Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed20%
Female Employed10.22%
Male Unemployed4.08%
Male Employed1.37%

Oneco Poverty Rate by Employment Status and Sex

Oneco Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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Name
Median
Mean
Families$72,070$87,051
Households$63,448$73,037
Married Families$88,365$-999,999,999
Non Families$35,574$38,760

mean

median

Income by Household Type

Oneco Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

51.0%

Overall Marriage Rate

51.0%

Male Marriage Rate

51.1%

Female Marriage Rate

Oneco Married by Age and Sex

male

female

Oneco 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.

Oneco Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Oneco Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

95

Number of Veterans

95

Male Veterans

0

Female Veterans

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War
Veterans
Vietnam62
First Gulf War18
Korea5
Second Gulf War0
World War II0

Oneco Veterans by War

count

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Age Group
Veterans
65 to 7462
55 to 6423
75+7
35 to 543
18 to 340

Oneco Veterans by Age

count

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Name
Veterans
% of Total
White959.63%

Oneco Veterans by Race

Oneco Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

7.37%

Veteran Poverty Rate

8.42%

Veteran Disability Rate

Oneco Veterans by Education

LaborForceParticipation

72.3%

Labor Force Participation

64.8%

Employment Rate

10.4%

Unemployment Rate

Oneco Employment by Age

LaborForceParticipation

Oneco Employment by Race

LaborForceParticipation

Oneco 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

59.49%

Born in Oneco

100%

Native Born

0%

Foreign Born

0%

Non Citizen

0%

Naturalized

Place of Birth

100% of Oneco residents were born in the United States, with 59.49% 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.

Oneco Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
20291,175-12-1.01%
20281,187-12-1%
20271,199-12-0.99%
20261,211-12-0.98%
20251,223-12-0.97%
20241,235-12-0.96%
20231,247-12-0.95%
20221,259-12-0.94%
20211,271-12-0.94%
20201,283413.3%
20191,242-11-0.88%
20181,253-5-0.4%
20171,258-15-1.18%
20161,273-3-0.24%
20151,276-19-1.47%
20141,295-10-0.77%
20131,305-7-0.53%
20121,312-11-0.83%
20111,323-7-0.53%
20101,33000%

Oneco Population by Year