St. Joseph, Illinois Population 2024

3,637

St. Joseph Demographics

According to the most recent ACS, the racial composition of St. Joseph was:

  • White: 93.14%
  • Two or more races: 4.57%
  • Asian: 2.06%
  • Native American: 0.18%
  • Black or African American: 0.05%
  • Native Hawaiian or Pacific Islander: 0%
  • Other race: 0%
Land Area (mi²)
2.1 sq mi
Density (mi²)
1,746.40/sq mi
Growth Since 2020
-4.16% (-158)
The current population of St. Joseph, Illinois is 3,637 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 3,795.

Population by Race

Race
Population
Percentage (of total)
White3,57093.14%
Two or more races1754.57%
Asian792.06%
Native American70.18%
Black or African American20.05%
Native Hawaiian or Pacific Islander00%
Other race00%

White

Two or more races

Asian

Native American

Black or African American

Native Hawaiian or Pacific Islander

Other race

St. Joseph Population by Race

St. Joseph Population Pyramid 2024

St. Joseph Median Age

39.9

Total

35.5

Male

41.9

Female

St. Joseph Adults

There are 2,833 adults, (552 of whom are seniors) in St. Joseph.

St. Joseph Age Dependency

68

Age Dependency Ratio

24.2

Old Age Dependency Ratio

43.8

Child Dependency Ratio

St. Joseph Sex Ratio

Female2,06553.87%
Male1,76846.13%

St. Joseph Population by Age

St. Joseph Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All1,5032.5485.814.2
Married7613.3998.31.7
Non Family5891.267.732.3
Female1253.361000
Male284.2160.739.3

3.35

Average Family Size

2.54

Average Household Size

85.8%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

St. Joseph Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade271.06%
Associates Degree52520.56%
Bachelors Degree55421.7%
Graduate Degree39315.39%
High School Graduate51820.29%
Less Than 9th Grade90.35%
Some College52720.64%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

St. Joseph Educational Attainment by Sex (over 25)

St. Joseph Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White2,4062,370920
Asian79790
Hispanic353515
2+ Races31315
Native American777
Black220

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

The highest rate of bachelors degrees is among native american people with a rate of 100%.

St. Joseph Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$72,411$75,185$72,000
Graduate Degree$84,250$109,653$73,173
High School Graduate$37,105$45,592$36,406
Less Than 9th Grade$0$0$0
Overall$70,215$75,379$60,985
Some College$65,391$75,450$55,609

$70,215

Average Earnings

$75,379

Average Male

$60,985

Average Female

St. Joseph Earnings by Educational Attainment

St. Joseph Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

St. Joseph Language

93.03% of St. Joseph residents speak only English, while 6.97% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 4.08% of the population.

St. Joseph Language

St. Joseph Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White3,5421293.64%
Asian793645.57%

4.3%

Overall Poverty Rate

0.11%

Male Poverty Rate

7.89%

Female Poverty Rate

Poverty in St. Joseph

The race most likely to be in poverty in St. Joseph is Asian, with 45.57% below the poverty level.

The race least likely to be in poverty in St. Joseph is White, with 3.64% 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 0.33%, and for those that did not work, the poverty rate was 18.05%.

St. Joseph Poverty

rate

Rate
Poverty
Some College8.94%
High School8.88%
Bachelors or Greater0.53%
Less Than 9th Grade0%

St. Joseph Poverty Rate by Education

rate

Rate
Poverty
Male Employed0.19%
Male Unemployed0%
Female Employed0%
Female Unemployed0%

St. Joseph Poverty Rate by Employment Status and Sex

St. Joseph Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$147,950$151,936
Households$114,594$126,661
Married Families$156,550$-999,999,999
Non Families$61,612$85,397

mean

median

Income by Household Type

St. Joseph Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

51.4%

Overall Marriage Rate

53.5%

Male Marriage Rate

49.7%

Female Marriage Rate

St. Joseph Married by Age and Sex

male

female

St. Joseph Marriage

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 35-44.

St. Joseph Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

St. Joseph Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

149

Number of Veterans

149

Male Veterans

0

Female Veterans

War
Veterans
Vietnam48
Second Gulf War40
First Gulf War36
Korea9
World War II0

St. Joseph Veterans by War

count

Age Group
Veterans
35 to 5456
75+43
65 to 7426
55 to 6424
18 to 340

St. Joseph Veterans by Age

count

Name
Veterans
% of Total
White1495.53%

St. Joseph Veterans by Race

St. Joseph Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

0%

Veteran Poverty Rate

32.89%

Veteran Disability Rate

St. Joseph Veterans by Education

LaborForceParticipation

70.5%

Labor Force Participation

70%

Employment Rate

0.7%

Unemployment Rate

St. Joseph Employment by Age

LaborForceParticipation

St. Joseph Employment by Race

LaborForceParticipation

St. Joseph 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

84.22%

Born in St. Joseph

97.76%

Native Born

2.24%

Foreign Born

1.57%

Non Citizen

0.68%

Naturalized

Place of Birth

97.76% of St. Joseph residents were born in the United States, with 84.22% having been born in Illinois. 1.57% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

St. Joseph Place of Birth

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
20293,440-40-1.15%
20283,480-39-1.11%
20273,519-39-1.1%
20263,558-40-1.11%
20253,598-39-1.07%
20243,637-40-1.09%
20233,677-46-1.24%
20223,723-29-0.77%
20213,752-43-1.13%
20203,795-61-1.58%
20193,856-72-1.83%
20183,928-42-1.06%
20173,970-35-0.87%
20164,005-34-0.84%
20154,039-34-0.83%
20144,073100.25%
20134,063451.12%
20124,01860.15%
20114,012180.45%
20103,99400%
20002,912-528-15.35%

St. Joseph Population by Year