Swansea, Illinois Population 2024

13,884

Swansea is a city located in St. Clair County Illinois. Swansea has a 2024 population of 13,884. Swansea is currently declining at a rate of -0.81% annually and its population has decreased by -3.27% since the most recent census, which recorded a population of 14,353 in 2020.

The average household income in Swansea is $116,011 with a poverty rate of 6.69%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Swansea is 38.9 years, 38.3 years for males, and 40.8 years for females.

Swansea Demographics

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

  • White: 69.8%
  • Black or African American: 20.58%
  • Two or more races: 6.93%
  • Asian: 2.67%
  • Other race: 0.02%
  • Native American:
  • Native Hawaiian or Pacific Islander:
Land Area (mi²)
6.5 sq mi
Density (mi²)
2,146.70/sq mi
Growth Since 2020
-3.27% (-469)
The current population of Swansea, Illinois is 13,884 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 14,353.

Swansea, Illinois Population 2024

Population by Race

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Race
Population
Percentage (of total)
White10,39269.8%
Black or African American3,06420.58%
Two or more races1,0326.93%
Asian3972.67%
Other race30.02%
Native American
Native Hawaiian or Pacific Islander
showing: 7 rows

White

Black or African American

Two or more races

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

Swansea Population by Race

Swansea Population Pyramid 2024

Swansea Median Age

38.9

Total

38.3

Male

40.8

Female

Swansea Adults

There are 11,582 adults, (2,586 of whom are seniors) in Swansea.

Swansea Age Dependency

65.5

Age Dependency Ratio

28.7

Old Age Dependency Ratio

36.7

Child Dependency Ratio

Swansea Sex Ratio

Female7,63851.3%
Male7,25048.7%

Swansea Population by Age

Swansea Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All5,6372.6175.624.4
Married2,9993.4392.37.7
Non Family1,9981.260.639.4
Female5383.2549.450.6
Male1022.518.681.4
showing: 5 rows

3.32

Average Family Size

2.61

Average Household Size

75.6%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Swansea 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

Swansea Educational Attainment by Sex (over 25)

Swansea Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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

The highest rate of bachelors degrees is among hispanic people with a rate of 79.31%.

Swansea Educational Attainment by Race

All

Male

Female

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$53,519

Average Earnings

$65,541

Average Male

$44,088

Average Female

Swansea Earnings by Educational Attainment

Swansea Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Swansea Language

95.54% of Swansea residents speak only English, while 4.46% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 2.71% of the population.

Swansea Language

Swansea Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White10,2156596.45%
Black3,0182648.75%
Multiple1,032525.04%
Asian39792.27%
showing: 4 rows

6.69%

Overall Poverty Rate

5.5%

Male Poverty Rate

7.82%

Female Poverty Rate

Poverty in Swansea

The race most likely to be in poverty in Swansea is Black, with 8.75% below the poverty level.

The race least likely to be in poverty in Swansea is Asian, with 2.27% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.04%. Among those working part-time, it was 7.88%, and for those that did not work, the poverty rate was 9.26%.

Swansea Poverty

rate

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Rate
Poverty
Some College9.85%
High School9.83%
Less Than 9th Grade6.13%
Bachelors or Greater2.08%
showing: 4 rows

Swansea Poverty Rate by Education

rate

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Rate
Poverty
Male Unemployed40.34%
Female Unemployed16.53%
Female Employed3.29%
Male Employed1.69%
showing: 4 rows

Swansea Poverty Rate by Employment Status and Sex

Swansea Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Swansea Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

53.5%

Overall Marriage Rate

57.7%

Male Marriage Rate

49.5%

Female Marriage Rate

Swansea Married by Age and Sex

male

female

Swansea 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 55-64.

Swansea Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Swansea Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

1,172

Number of Veterans

1,118

Male Veterans

54

Female Veterans

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Swansea Veterans by War

count

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Swansea Veterans by Age

count

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Swansea Veterans by Race

Swansea Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

0.77%

Veteran Poverty Rate

20.45%

Veteran Disability Rate

Swansea Veterans by Education

LaborForceParticipation

66%

Labor Force Participation

61.6%

Employment Rate

5.3%

Unemployment Rate

Swansea Employment by Age

LaborForceParticipation

Swansea Employment by Race

LaborForceParticipation

Swansea 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

58.35%

Born in Swansea

95.1%

Native Born

4.9%

Foreign Born

1.59%

Non Citizen

3.32%

Naturalized

Place of Birth

95.1% of Swansea residents were born in the United States, with 58.35% having been born in Illinois. 1.59% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Swansea Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
202913,314-114-0.85%
202813,428-114-0.84%
202713,542-114-0.83%
202613,656-114-0.83%
202513,770-114-0.82%
202413,884-114-0.81%
202313,998-114-0.81%
202214,112-114-0.8%
202114,226-127-0.88%
202014,3531,0007.49%
201913,353-108-0.8%
201813,461-58-0.43%
201713,519-34-0.25%
201613,553-23-0.17%
201513,576-82-0.6%
201413,658-58-0.42%
201313,716-47-0.34%
201213,763430.31%
201113,7201320.97%
201013,5883,00928.44%
200010,5792,37829%
19908,2012,85453.38%
19805,347-85-1.56%
19705,4322,41479.99%
19603,018
showing: 25 rows

Swansea Population by Year