Auburn, Illinois Population 2024

4,409

Auburn is a city located in Sangamon County Illinois. Auburn has a 2024 population of 4,409. Auburn is currently declining at a rate of -0.77% annually and its population has decreased by -2.89% since the most recent census, which recorded a population of 4,540 in 2020.

The average household income in Auburn is $101,253 with a poverty rate of 5.15%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Auburn is 35.7 years, 35.4 years for males, and 36.4 years for females.

Auburn Demographics

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

  • White: 97.62%
  • Two or more races: 2.38%
  • Black or African American:
  • Native American:
  • Asian:
  • Native Hawaiian or Pacific Islander:
  • Other race:
Land Area (mi²)
4.1 sq mi
Density (mi²)
1,066.0/sq mi
Growth Since 2020
-2.89% (-131)
The current population of Auburn, Illinois is 4,409 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 4,540.

Auburn, Illinois Population 2024

Population by Race

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Race
Population
Percentage (of total)
White4,42797.62%
Two or more races1082.38%
Black or African American
Native American
Asian
Native Hawaiian or Pacific Islander
Other race
showing: 7 rows

White

Two or more races

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Auburn Population by Race

Auburn Population Pyramid 2024

Auburn Median Age

35.7

Total

35.4

Male

36.4

Female

Auburn Adults

There are 3,356 adults, (604 of whom are seniors) in Auburn.

Auburn Age Dependency

64.8

Age Dependency Ratio

21.9

Old Age Dependency Ratio

42.8

Child Dependency Ratio

Auburn Sex Ratio

Female2,38952.68%
Male2,14647.32%

Auburn Population by Age

Auburn Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All1,5712.8589.810.2
Married7773.3397.82.2
Non Family4791.2280.619.4
Female2403.2378.821.3
Male757.041000
showing: 5 rows

3.43

Average Family Size

2.85

Average Household Size

89.8%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Auburn Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Auburn Educational Attainment by Sex (over 25)

Auburn Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among 2+ races people with a rate of 100%.

The highest rate of bachelors degrees is among hispanic people with a rate of 78.29%.

Auburn Educational Attainment by Race

All

Male

Female

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$52,648

Average Earnings

$70,221

Average Male

$40,125

Average Female

Auburn Earnings by Educational Attainment

Auburn Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Auburn Language

98.28% of Auburn residents speak only English, while 1.72% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.34% of the population.

Auburn Language

Auburn Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White4,0812285.59%
showing: 1 rows

5.15%

Overall Poverty Rate

2.7%

Male Poverty Rate

7.38%

Female Poverty Rate

Poverty in Auburn

The race most likely to be in poverty in Auburn is White, with 5.59% below the poverty level.

The race least likely to be in poverty in Auburn is White, with 5.59% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was . Among those working part-time, it was 2.47%, and for those that did not work, the poverty rate was 19.85%.

Auburn Poverty

rate

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Rate
Poverty
High School11.48%
Some College6.69%
Bachelors or Greater2.49%
Less Than 9th Grade
showing: 4 rows

Auburn Poverty Rate by Education

rate

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Rate
Poverty
Male Employed
Male Unemployed
Female Employed1.58%
Female Unemployed
showing: 4 rows

Auburn Poverty Rate by Employment Status and Sex

Auburn Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Auburn Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

45.3%

Overall Marriage Rate

53.0%

Male Marriage Rate

39.0%

Female Marriage Rate

Auburn Married by Age and Sex

male

female

Auburn 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 45-54.

Auburn Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Auburn Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

170

Number of Veterans

135

Male Veterans

35

Female Veterans

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Auburn Veterans by War

count

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Auburn Veterans by Age

count

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Auburn Veterans by Race

Auburn Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

Veteran Poverty Rate

31.76%

Veteran Disability Rate

Auburn Veterans by Education

LaborForceParticipation

62.8%

Labor Force Participation

62.4%

Employment Rate

0.8%

Unemployment Rate

Auburn Employment by Age

LaborForceParticipation

Auburn Employment by Race

LaborForceParticipation

Auburn 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

83.93%

Born in Auburn

100%

Native Born

Foreign Born

Non Citizen

Naturalized

Place of Birth

100% of Auburn residents were born in the United States, with 83.93% having been born in Illinois. of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Auburn Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
20294,239-34-0.8%
20284,273-34-0.79%
20274,307-34-0.78%
20264,341-34-0.78%
20254,375-34-0.77%
20244,409-34-0.77%
20234,443-34-0.76%
20224,477-34-0.75%
20214,511-29-0.64%
20204,540-88-1.9%
20194,628-44-0.94%
20184,672-38-0.81%
20174,710-43-0.9%
20164,753-33-0.69%
20154,786-28-0.58%
20144,814-2-0.04%
20134,816-9-0.19%
20124,825-7-0.14%
20114,832150.31%
20104,81750011.58%
20004,31759315.92%
19903,7241082.99%
19803,6161,02239.4%
19702,594-66-2.48%
19202,660
showing: 25 rows

Auburn Population by Year