St. Joseph, Illinois Population 2024

3,637

St. Joseph Demographics

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

  • White: 96.06%
  • Two or more races: 2.21%
  • Asian: 1.53%
  • Native American: 0.15%
  • 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)
White3,77696.06%
Two or more races872.21%
Asian601.53%
Native American60.15%
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

39.8

Total

38.4

Male

41.1

Female

St. Joseph Adults

There are 2,845 adults, (676 of whom are seniors) in St. Joseph.

St. Joseph Age Dependency

81.2

Age Dependency Ratio

31.2

Old Age Dependency Ratio

50.1

Child Dependency Ratio

St. Joseph Sex Ratio

Female2,12454.03%
Male1,80745.97%

St. Joseph Population by Age

St. Joseph Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All1,4942.6285.714.3
Married7883.43982
Non Family5131.0963.936.1
Female1793.493.36.7
Male143.071000

3.39

Average Family Size

2.62

Average Household Size

85.7%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

St. Joseph Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade20.08%
Associates Degree41516.07%
Bachelors Degree53620.75%
Graduate Degree37214.4%
High School Graduate65225.24%
Less Than 9th Grade00%
Some College60623.46%

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
White2,4552,453881
Asian60600
Hispanic393917
2+ Races21214
Native American666
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$58,253$58,659$50,375
Graduate Degree$80,526$104,911$61,620
High School Graduate$35,750$33,875$36,500
Less Than 9th Grade$0$0$0
Overall$58,730$65,227$53,409
Some College$63,333$73,333$48,318

$58,730

Average Earnings

$65,227

Average Male

$53,409

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

95.4% of St. Joseph residents speak only English, while 4.6% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.3% of the population.

St. Joseph Language

St. Joseph Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White3,7002286.16%
Asian603050%

6.56%

Overall Poverty Rate

3.21%

Male Poverty Rate

9.42%

Female Poverty Rate

Poverty in St. Joseph

The race most likely to be in poverty in St. Joseph is Asian, with 50% below the poverty level.

The race least likely to be in poverty in St. Joseph is White, with 6.16% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.04%. Among those working part-time, it was 6.85%, and for those that did not work, the poverty rate was 15.07%.

St. Joseph Poverty

rate

Rate
Poverty
Less Than 9th Grade100%
Some College9.11%
High School7.98%
Bachelors or Greater2.53%

St. Joseph Poverty Rate by Education

rate

Rate
Poverty
Male Employed4.7%
Female Employed1.33%
Male Unemployed0%
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$128,272$129,478
Households$101,087$107,751
Married Families$141,538$-999,999,999
Non Families$44,871$66,204

mean

median

Income by Household Type

St. Joseph Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

53.8%

Overall Marriage Rate

59.3%

Male Marriage Rate

49.5%

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

190

Number of Veterans

190

Male Veterans

0

Female Veterans

War
Veterans
Vietnam102
Second Gulf War25
First Gulf War20
Korea13
World War II0

St. Joseph Veterans by War

count

Age Group
Veterans
65 to 7495
35 to 5437
75+32
55 to 6426
18 to 340

St. Joseph Veterans by Age

count

Name
Veterans
% of Total
White1906.92%
Hispanic1224%

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

46.32%

Veteran Disability Rate

St. Joseph Veterans by Education

LaborForceParticipation

65.9%

Labor Force Participation

65.4%

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

80.49%

Born in St. Joseph

98.07%

Native Born

1.93%

Foreign Born

1.37%

Non Citizen

0.56%

Naturalized

Place of Birth

98.07% of St. Joseph residents were born in the United States, with 80.49% having been born in Illinois. 1.37% 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