Swansea is a city located in St. Clair County Illinois. Swansea has a 2023 population of 13,928. Swansea is currently declining at a rate of -1% annually and its population has decreased by -2.96% since the most recent census, which recorded a population of 14,353 in 2020.
The average household income in Swansea is $110,325 with a poverty rate of 7.32%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Swansea is 39.7 years, 39.5 years for males, and 41.5 years for females.
According to the most recent ACS, the racial composition of Swansea was:
3.34
Average Family Size
2.61
Average Household Size
75.2%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
94.15% of Swansea residents speak only English, while 5.85% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 2.01% of the population.
7.32%
Overall Poverty Rate
5.89%
Male Poverty Rate
8.68%
Female Poverty Rate
The race most likely to be in poverty in Swansea is Hispanic, with 36.19% below the poverty level.
The race least likely to be in poverty in Swansea is Asian, with 4.24% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.31%. Among those working part-time, it was 9.91%, and for those that did not work, the poverty rate was 8.74%.
Married
Widowed
Divorced
Separated
NeverMarried
54.7%
Overall Marriage Rate
58.2%
Male Marriage Rate
51.3%
Female Marriage Rate
male
female
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.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
0.96%
Veteran Poverty Rate
21.9%
Veteran Disability Rate
LaborForceParticipation
68.3%
Labor Force Participation
64.3%
Employment Rate
4.6%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
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.
Europe
Asia
Africa
Oceania
Latin America
North America
61.07%
Born in Swansea
99.77%
Native Born
6.05%
Foreign Born
2.95%
Non Citizen
3.1%
Naturalized
99.77% of Swansea residents were born in the United States, with 61.07% having been born in Illinois. 2.95% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.