Decker, Illinois Population 2024

394

Decker is a city located in Illinois. Decker has a 2024 population of 394. Decker is currently declining at a rate of -1.5% annually and its population has decreased by -5.06% since the most recent census, which recorded a population of 415 in 2020.

The average household income in Decker is $116,288 with a poverty rate of 1.41%. The median age in Decker is 39.5 years: 40.6 years for males, and 38.4 years for females.

Decker Demographics

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

  • White: 100%
  • Black or African American: 0%
  • Native American: 0%
  • Asian: 0%
  • Native Hawaiian or Pacific Islander: 0%
  • Other race: 0%
  • Two or more races: 0%
Land Area (mi²)
35.2 sq mi
Density (mi²)
11.20/sq mi
Growth Since 2020
-5.06% (-21)
The current population of Decker, Illinois is 394 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 415.

Population by Race

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Race
Population
Percentage (of total)
White426100%
Black or African American00%
Native American00%
Asian00%
Native Hawaiian or Pacific Islander00%
Other race00%
Two or more races00%

White

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Two or more races

Decker Population by Race

Decker Population Pyramid 2024

Decker Median Age

39.5

Total

40.6

Male

38.4

Female

Decker Adults

There are 322 adults, (54 of whom are seniors) in Decker.

Decker Age Dependency

59

Age Dependency Ratio

20.1

Old Age Dependency Ratio

38.8

Child Dependency Ratio

Decker Sex Ratio

Female23454.93%
Male19245.07%

Decker Population by Age

Decker Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All1472.990.59.5
Married1103.241000
Non Family321.3456.343.8
Female55.41000
Male0000

3.28

Average Family Size

2.9

Average Household Size

90.5%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Decker Households and Families

Male

Female

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Education Attained
Count
Percentage
9th to 12th Grade2910.58%
Associates Degree5821.17%
Bachelors Degree259.12%
Graduate Degree6523.72%
High School Graduate3914.23%
Less Than 9th Grade00%
Some College5821.17%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Decker Educational Attainment by Sex (over 25)

Decker Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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Race
Total
High School
Bachelors
White27424590

The highest rate of high school graduation is among white people with a rate of 89.42%.

The highest rate of bachelors degrees is among white people with a rate of 32.85%.

Decker Educational Attainment by Race

All

Male

Female

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Name
Average
Male
Female
Bachelors Degree$0$0$0
Graduate Degree$0$0$0
High School Graduate$43,603$43,309$0
Less Than 9th Grade$0$0$0
Overall$46,815$57,232$45,100
Some College$38,750$0$29,167

$46,815

Average Earnings

$57,232

Average Male

$45,100

Average Female

Decker Earnings by Educational Attainment

Decker Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Decker Language

100% of Decker residents speak only English, while 0% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 0% of the population.

Decker Language

Decker Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White42661.41%

1.41%

Overall Poverty Rate

0%

Male Poverty Rate

2.56%

Female Poverty Rate

Poverty in Decker

The race most likely to be in poverty in Decker is White, with 1.41% below the poverty level.

The race least likely to be in poverty in Decker is White, with 1.41% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0%. Among those working part-time, it was 0%, and for those that did not work, the poverty rate was 10.17%.

Decker Poverty

rate

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Rate
Poverty
Less Than 9th Grade0%
High School0%
Some College0%
Bachelors or Greater0%

Decker Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed100%
Male Employed0%
Male Unemployed0%
Female Employed0%

Decker Poverty Rate by Employment Status and Sex

Decker Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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Name
Median
Mean
Families$137,824$132,962
Households$90,662$116,288
Married Families$138,056$-999,999,999
Non Families-$56,369

mean

median

Income by Household Type

Decker Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

68.3%

Overall Marriage Rate

68.6%

Male Marriage Rate

68.0%

Female Marriage Rate

Decker Married by Age and Sex

male

female

Decker 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 55-64.

Decker Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Decker Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

19

Number of Veterans

19

Male Veterans

0

Female Veterans

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War
Veterans
Vietnam19
Second Gulf War0
First Gulf War0
Korea0
World War II0

Decker Veterans by War

count

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Age Group
Veterans
65 to 7419
18 to 340
35 to 540
55 to 640
75+0

Decker Veterans by Age

count

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Name
Veterans
% of Total
White195.9%

Decker Veterans by Race

Decker Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

0%

Veteran Poverty Rate

47.37%

Veteran Disability Rate

Decker Veterans by Education

LaborForceParticipation

83.5%

Labor Force Participation

78.6%

Employment Rate

5.9%

Unemployment Rate

Decker Employment by Age

LaborForceParticipation

Decker Employment by Race

LaborForceParticipation

Decker 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

81.69%

Born in Decker

100%

Native Born

0%

Foreign Born

0%

Non Citizen

0%

Naturalized

Place of Birth

100% of Decker residents were born in the United States, with 81.69% 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.

Decker Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
2029364-6-1.62%
2028370-6-1.6%
2027376-6-1.57%
2026382-6-1.55%
2025388-6-1.52%
2024394-6-1.5%
2023400-6-1.48%
2022406-6-1.46%
2021412-3-0.72%
2020415276.96%
2019388-4-1.02%
2018392-3-0.76%
201739500%
2016395-3-0.75%
2015398-2-0.5%
201440000%
2013400-3-0.74%
2012403-2-0.49%
201140500%
201040500%

Decker Population by Year