Swansea, Illinois Population 2021

13,138
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Swansea is a city located in Illinois. With a 2020 population of 13,138, it is the 182nd largest city in Illinois and the 2547th largest city in the United States . Swansea is currently declining at a rate of -0.80% annually and its population has decreased by -2.17% since the most recent census, which recorded a population of 13,430 in 2010. Swansea reached it's highest population of 13,768 in 2012. Spanning over 7 miles, Swansea has a population density of 2,031 people per square mile.

The average household income in Swansea is $102,898 with a poverty rate of 7.60%. The median rental costs in recent years comes to $1,062 per month, and the median house value is $167,000. The median age in Swansea is 43.9 years, 42.2 years for males, and 45.6 years for females.

Swansea Demographics

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

  • White: 75.18%
  • Black or African American: 18.68%
  • Two or more races: 3.30%
  • Asian: 1.52%
  • Other race: 1.26%
  • Native American: 0.06%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Swansea, Illinois is 13,138 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 13,456.The last official US Census in 2010 recorded the population at 13,430.

Swansea, Illinois Population 2021

Population by Race

Race Population Percentage
White10,41375.18%
Black or African American2,58818.68%
Two or More Races4573.30%
Asian2101.52%
Some Other Race1741.26%
American Indian and Alaska Native90.06%
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Swansea Population by Race

Swansea Population Pyramid $2021

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Swansea Median Age

43.9


Total

42.2


Male

45.6


Female

Swansea Adults

There are 11,260 adults, (2,513 of whom are seniors) in Swansea.

Swansea Age Dependency

58.4

Age Dependency Ratio

28.7

Old Age Dependency Ratio

29.6

Child Dependency Ratio

Swansea Sex Ratio

Female

7,074

51.07%

Male

6,777

48.93%

Swansea Population by Age

Swansea Renter vs Owner Occupied by Household Type

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Swansea Household Types

Type Owner Renter
Married91.8%8.2%
Male89.8%10.2%
All73.7%26.3%
Non Family53.5%46.5%
Female43.2%56.8%

73.7%

Rate of Home Ownership

Swansea Households and Families

Type Count Average Size Owned
All5,5872.4373.7
Married2,8872.9891.8
Non Family1,8951.1953.5
Female5703.6243.2
Male2352.9189.8

2.95

Average Family Size

2.43

Average Household Size

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Swansea Households by Type

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Education Attained Count Percentage
Less Than 9th Grade2092.05%
9th to 12th Grade3193.13%
High School Graduate2,11320.70%
Some College2,31822.71%
Associates Degree1,15411.31%
Bachelors Degree2,35323.06%
Graduate Degree1,74017.05%
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Swansea Educational Attainment by Sex (over 25)

Swansea Educational Attainment by Race

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Race Total High School Bachelors
White7,7647,5273,188
Black1,7601,576602
Hispanic265191162
2+ Races22722785
Asian18815556
Other Race762
Native American99

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

The highest rate of bachelors degrees is among hispanic people with a rate of 61.13%.

Swansea Educational Attainment by Race

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Name Average Male Female
Overall$45,819$59,740$32,849
Less Than 9th Grade$21,620$$
High School Graduate$34,451$43,785$27,546
Some College$40,446$52,556$30,286
Bachelors Degree$53,520$71,806$37,261
Graduate Degree$68,517$88,438$52,143

$45,819

Average Earnings

$59,740

Average Male

$32,849

Average Female

Swansea Earnings by Educational Attainment

Swansea Language by Age

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Swansea Language

94.71% of Swansea residents speak only English, while 5.29% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.99% of the population.

Swansea Language

Swansea Poverty by Race

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Name Total In Poverty Poverty Rate
White9,9764164.17%
Black2,45736714.94%
Hispanic47715231.87%
Other1729756.40%
Multiple4578919.47%
Asian21083.81%

7.60%

Overall Poverty Rate

5.75%

Male Poverty Rate

9.37%

Female Poverty Rate

Poverty in Swansea

The race most likely to be in poverty in Swansea is Other, with 56.40% below the poverty level.

The race least likely to be in poverty in Swansea is Asian, with 3.81% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.76%. Among those working part-time, it was 11.36%, and for those that did not work, the poverty rate was 12.24%.

Swansea Poverty

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Name Poverty
Less Than 9th Grade41.13%
Some College7.90%
High School6.87%
Bachelors or Greater1.40%

Swansea Poverty Rate by Education

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Rate Poverty
Female Unemployed34.27%
Male Unemployed26.12%
Female Employed6.98%
Male Employed2.57%

Swansea Poverty Rate by Employment Status and Sex

Swansea Income by Household Type

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Name Median Mean
Households$77,517$102,898
Families$91,429$125,414
Married Families$106,286-
Non Families$42,366$53,070
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Income by Household Type

Swansea Marital Status

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Marriage Rates

54.3%

Overall Marriage Rate

57.2%

Male Marriage Rate

51.5%

Female Marriage Rate

Swansea Married by Age and Sex

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Swansea Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 55-64.

Swansea Marital Status by Race

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Swansea Marital Status

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1,488

Number of Veterans

1,303

Male Veterans

185

Female Veterans

War Veterans
First Gulf War527
Vietnam437
Second Gulf War399
Korea91
World War II71

Swansea Veterans by War

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Age Group Veterans
35 to 54386
65 to 74385
55 to 64343
75+298
18 to 3476

Swansea Veterans by Age

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Name Veterans % of Total
White1,10712.80%
Black36919.35%
2+ Races124.23%
Hispanic92.93%

Swansea Veterans by Race

Swansea Veterans by Education

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1.08%

Veteran Poverty Rate

25.63%

Veteran Disability Rate

Swansea Veterans by Education

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68.4%

Labor Force Participation

64%

Employment Rate

4.9%

Unemployment Rate

Swansea Employment by Age

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Swansea Employment by Race

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Swansea 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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64.33%

Born in Swansea

95.55%

Native Born

4.45%

Foreign Born

2.31%

Non Citizen

2.14%

Naturalized

Place of Birth

95.55% of Swansea residents were born in the United States, with 64.33% having been born in Illinois. 2.31% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Swansea Place of Birth

Year Population Growth Annual Growth Rate
202113,138-106-0.80%
202013,244-106-0.79%
201913,350-106-0.79%
201813,456-55-0.41%
201713,511-33-0.24%
201613,544-28-0.21%
201513,572-87-0.64%
201413,659-58-0.42%
201313,717-51-0.37%
201213,768430.31%
201113,7251300.96%
201013,5953,0162.54%
200010,5792,3782.58%
19908,2012,8544.37%
19805,347-85-0.16%
19705,4322,4146.05%
19603,0180.00%

Swansea Population by Year