St. Joseph, Illinois Population 2021

5,519
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St. Joseph is a city located in Illinois. St. Joseph has a 2020 population of 5,519. St. Joseph is currently declining at a rate of -1.62% annually and its population has decreased by -6.30% since the most recent census, which recorded a population of 5,890 in 2010. St. Joseph reached it's highest population of 5,993 in 2014.

The average household income in St. Joseph is $97,404 with a poverty rate of 4.34%. The median rental costs in recent years comes to $794 per month, and the median house value is $191,200. The median age in St. Joseph is 37.3 years, 35.8 years for males, and 39.3 years for females.

St. Joseph Demographics

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

  • White: 98.17%
  • Asian: 1.18%
  • Black or African American: 0.36%
  • Two or more races: 0.29%
  • Native American: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
  • Other race: 0.00%
The current population of St. Joseph, Illinois is 5,519 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 5,792.The last official US Census in 2010 recorded the population at 5,890.

St. Joseph, Illinois Population 2021

Population by Race

Race Population Percentage
White5,73998.17%
Asian691.18%
Black or African American210.36%
Two or More Races170.29%
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St. Joseph Population by Race

St. Joseph Population Pyramid $2021

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St. Joseph Median Age

37.3


Total

35.8


Male

39.3


Female

St. Joseph Adults

There are 4,186 adults, (723 of whom are seniors) in St. Joseph.

St. Joseph Age Dependency

68.8

Age Dependency Ratio

20.9

Old Age Dependency Ratio

47.9

Child Dependency Ratio

St. Joseph Sex Ratio

Female

2,926

50.05%

Male

2,920

49.95%

St. Joseph Population by Age

St. Joseph Renter vs Owner Occupied by Household Type

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St. Joseph Household Types

Type Owner Renter
Married98.9%1.1%
All87.2%12.8%
Female76.5%23.5%
Non Family62.2%37.8%
Male46.2%53.8%

87.2%

Rate of Home Ownership

St. Joseph Households and Families

Type Count Average Size Owned
All1,9942.9287.2
Married1,2203.2898.9
Female3913.3276.5
Non Family3571.3162.2
Male262.3546.2

3.24

Average Family Size

2.92

Average Household Size

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St. Joseph Households by Type

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Education Attained Count Percentage
Less Than 9th Grade170.46%
9th to 12th Grade290.78%
High School Graduate1,05228.23%
Some College96425.87%
Associates Degree3569.55%
Bachelors Degree79521.34%
Graduate Degree51313.77%
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St. Joseph Educational Attainment by Sex (over 25)

St. Joseph Educational Attainment by Race

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Race Total High School Bachelors
White3,6153,5711,296
Asian696912
Hispanic2119
Black2121

The highest rate of high school graduation is among black people with a rate of 100.00%.

The highest rate of bachelors degrees is among white people with a rate of 35.85%.

St. Joseph Educational Attainment by Race

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Name Average Male Female
Overall$53,225$56,772$47,828
Less Than 9th Grade$$$
High School Graduate$52,944$53,438$44,917
Some College$48,229$57,700$40,882
Bachelors Degree$54,167$57,523$42,159
Graduate Degree$68,047$89,271$62,727

$53,225

Average Earnings

$56,772

Average Male

$47,828

Average Female

St. Joseph Earnings by Educational Attainment

St. Joseph Language by Age

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St. Joseph Language

98.44% of St. Joseph residents speak only English, while 1.56% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 1.02% of the population.

St. Joseph Language

St. Joseph Poverty by Race

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Name Total In Poverty Poverty Rate
White5,6482514.44%
Hispanic7022.86%

4.34%

Overall Poverty Rate

1.75%

Male Poverty Rate

6.93%

Female Poverty Rate

Poverty in St. Joseph

The race most likely to be in poverty in St. Joseph is White, with 4.44% below the poverty level.

The race least likely to be in poverty in St. Joseph is Hispanic, with 2.86% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.19%. Among those working part-time, it was 9.92%, and for those that did not work, the poverty rate was 4.79%.

St. Joseph Poverty

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Name Poverty
Less Than 9th Grade8.70%
High School2.66%
Some College2.12%
Bachelors or Greater0.92%

St. Joseph Poverty Rate by Education

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Rate Poverty
Female Unemployed0.00%
Female Employed5.19%
Male Employed2.52%
Male Unemployed0.00%

St. Joseph Poverty Rate by Employment Status and Sex

St. Joseph Income by Household Type

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Name Median Mean
Households$95,175$97,404
Families$100,592$105,405
Married Families$112,027-
Non Families$37,750$54,710
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Income by Household Type

St. Joseph Marital Status

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Marriage Rates

60.7%

Overall Marriage Rate

62.3%

Male Marriage Rate

59.3%

Female Marriage Rate

St. Joseph Married by Age and Sex

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St. Joseph 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 45-54.

St. Joseph Marital Status by Race

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St. Joseph Marital Status

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271

Number of Veterans

271

Male Veterans

Female Veterans

War Veterans
Vietnam118
First Gulf War59
Korea24
Second Gulf War18
World War II

St. Joseph Veterans by War

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Age Group Veterans
65 to 74118
35 to 5466
75+56
55 to 6431
18 to 34

St. Joseph Veterans by Age

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Name Veterans % of Total
White2716.62%
Hispanic1943.18%

St. Joseph Veterans by Race

St. Joseph Veterans by Education

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0.00%

Veteran Poverty Rate

31.73%

Veteran Disability Rate

St. Joseph Veterans by Education

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68.9%

Labor Force Participation

67.6%

Employment Rate

1.9%

Unemployment Rate

St. Joseph Employment by Age

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St. Joseph Employment by Race

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St. Joseph Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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80.47%

Born in St. Joseph

98.55%

Native Born

1.45%

Foreign Born

0.27%

Non Citizen

1.18%

Naturalized

Place of Birth

98.55% of St. Joseph residents were born in the United States, with 80.47% having been born in Illinois. 0.27% 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

Year Population Growth Annual Growth Rate
20215,519-91-1.62%
20205,610-91-1.60%
20195,701-91-1.57%
20185,792-60-1.03%
20175,852-51-0.86%
20165,903-47-0.79%
20155,950-43-0.72%
20145,993110.18%
20135,982510.86%
20125,931130.22%
20115,918280.48%
20105,8900.00%

St. Joseph Population by Year