Swansea, IL demographics:
population, income, and more

Total population
14,710
0.7% year-over-year change
Median household income
$91,587/yr
8.6% year-over-year change
Housing units
6,175
4.2% year-over-year change

Swansea population

How many people live in Swansea

Swansea is home to 14,710 residents, according to the most recent Census data. Gender-wise, 47.9% of Swansea locals are male, and 52.1% are female.

Total population
14,710
0.7% year-over-year change
Gender ratio
Male
47.9%
7,041
Female
52.1%
7,669
Value Percent YoY change
Male 7,041 47.9% 0.5%
Female 7,669 52.1% 0.9%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Swansea is 42, with the population distributed as follows: about 18.7% are children under 15, then 13% are in the 15 to 24 age group. Adults between 25 and 44 make up 24.5% of the population, while another 25.6% fall into the 45 to 64 bracket. Finally, around 18.4% are 65 or older.

Median age
42.3
Age breakdown
Under 15
18.7%
15 to 24
13%
25 to 44
24.5%
45 to 64
25.6%
Over 65
18.4%
Value Percent YoY change
Under 15 2,750 18.7% 1.3%
15 to 24 1,905 13% -6.9%
25 to 44 3,598 24.5% -3.7%
45 to 64 3,758 25.6% 7.4%
Over 65 2,699 18.4% 3.6%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Swansea, 93.9% of the population are US-born citizens, while 4.8% have gained naturalized citizenship. At the same time, 1.2% of residents are non-citizens. As for race, 70.4% of locals are Caucasian, 19.2% are African American and 2.5% have Asian roots. There’s also a share of 7.8% that includes residents with two or more races.

Citizenship
U.S.-born citizens
93.9%
Non-U.S.-born citizens
4.8%
Non-citizens
1.2%
Value Percent YoY change
U.S.-born citizens 13,817 93.9% 1.8%
Non-U.S.-born citizens 711 4.8% -13.7%
Non-citizens 182 1.2% -13.3%
Racial breakdown
White
70.4%
Black or African American
19.2%
American Indian and Alaska Native
0%
Asian
2.5%
Native Hawaiian and other Pacific Islander
0%
Two or more races
7.8%
Other
0%
Value Percent
White 10,362 70.4%
Black or African American 2,832 19.2%
Asian 370 2.5%
Two or more races 1,146 7.8%

Households in Swansea

A peek inside Swansea households

Swansea has 5,777 households, with an average of 3 members in each. Of these, 64.3% are families, while the remaining 35.7% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
5,777
3.4% year-over-year change
Average people per household
3
Non-family households
2,060
Family households
3,717
Value Percent YoY change
Non-family households 2,060 35.7% 3.6%
Family households 3,717 64.3% 3.3%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Swansea

The housing landscape of Swansea

Swansea's housing consists of 6,175 units, with 69.7% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 4.8% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 9.4% of the housing landscape.

Housing units
6,175
4.2% year-over-year change
Housing types
Value Percent
1 unit, detached 4,302 69.7%
1 unit, attached 296 4.8%
2 units 117 1.9%
3 or 4 units 130 2.1%
5 to 9 units 138 2.2%
10 to 19 units 261 4.2%
20 to 49 units 170 2.8%
50 or more units 183 3%
Mobile home 578 9.4%
Homes built since 2020
10
% year-over-year change

The age of buildings in Swansea

In Swansea, the median construction year is 1993. About 5.1% of homes were built before the 1940s, with another 2.6% going up by 1949. Most development happened in the second half of the 20th century. Then, 22.3% of homes were added from 2000 to 2009, 14.2% between 2010 and 2019, and 0.2% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 313 5.1% -0.9%
Built between 1940 and 1949 160 2.6% -5.9%
Built between 1950 and 1959 539 8.7% -10.0%
Built between 1960 and 1969 504 8.2% 18.9%
Built between 1970 and 1979 489 7.9% 16.4%
Built between 1980 and 1989 719 11.6% 8.6%
Built between 1990 and 1999 1,183 19.2% -3.5%
Built between 2000 and 2009 1,378 22.3% 2.5%
Built between 2010 and 2019 880 14.2% 14.6%
Built in 2020 or later 10 0.2% N/A
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Swansea occupancy rates

Out of the 5,777 occupied housing units in Swansea, 73.4% are owner-occupied, while 26.6% are lived in by tenants. Meanwhile, 6.4% of all homes on the local market sit vacant.

Occupied housing units
5,777
3.4% year-over-year change
Occupancy breakdown
Renter occupied
1,534
Owner occupied
4,243
Value Percent YoY
change
Renter occupied 1,534 26.6% 11.1%
Owner occupied 4,243 73.4% 0.9%
Unoccupied housing units
6.4%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Swansea housing costs

Housing costs in Swansea come to a median of $1,333 per month, while tenants specifically pay a median gross rent of $1,137.

Median housing costs per month
$1,333/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Swansea
$1,137/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Swansea

Swansea education at a glance

About 23% of the population in Swansea went to high school, while 23.5% pursued college studies. Another 13.2% earned an associate degree and 20.4% hold a bachelor’s. Meanwhile, 18.1% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 203 1.8% 4.6%
High school diploma 2,599 23% -8.6%
College diploma 2,659 23.5% 8.8%
Associate degree 1,490 13.2% 9.1%
Bachelor's degree 2,308 20.4% -6.9%
Graduate degree 2,043 18.1% 7.4%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Swansea

How much people earn in Swansea

The average annual household income in Swansea was $113,725 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +0.4% change from the previous year. At the same time, the median income stood at $91,587, reflecting a +8.6% shift over the same period.

Average household income in Swansea
$113,725/year
0.4% year-over-year change
Median household income in Swansea
$91,587/year
8.6% year-over-year change

Swansea income by age

In Swansea, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $106,563. Those with someone between 45 and 64 in charge, often well established professionally, earn $102,604 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $33,207, while those led by someone over 65, many of whom may be retired, have about $68,214 in earnings. Overall, 91.5% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $33,207 -42.7%
25 - 44 $106,563 17.2%
45 - 64 $102,604 -5.4%
Over 65 $68,214 5.1%
Above poverty level
13,144
Below poverty level
1,215
Value Percent YoY
change
Above poverty level 13,144 91.5% 0.2%
Below poverty level 1,215 8.5% 5.2%

Average renter income in Swansea

To get a better sense of what renters earn on average in Swansea, their median household income was $55,285 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 24.7%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$55,285
Rent-to-income ratio
24.7%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Swansea

Workforce and job types in Swansea

The job market in Swansea is powered by 7,161 working residents, spread across a range of industries and roles. 84.5% of the working population are employed in professional or administrative positions, while 15.5% are in hands-on or service-based jobs. Also, 8.8% run their own businesses, 64.8% are employed by private companies, and 17.7% work in the public sector.

Workforce demographics

Working population
7,161
0.2% year-over-year change
White collar
6,053
Blue collar
1,108
Value Percent YoY change
White collar 6,053 84.5% 2.5%
Blue collar 1,108 15.5% -10.7%
Employer type
Self employees
8.8%
Private companies
64.8%
Governmental workers
17.7%
Not for profit companies
8.7%
Value Percent YoY change
Self employees 629 8.8% 8.3%
Private companies 4,639 64.8% 1.1%
Governmental workers 1,270 17.7% -4.4%
Not for profit companies 623 8.7% -4.2%
Unemployment rate
5.7%
19.5% year-over-year change

Available workforce

The unemployment rate in Swansea stands at 5.7%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Swansea

How people get around in Swansea

Commuting methods vary: 82.7% of residents travel by personal vehicle and 0.4% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 5,877 82.7% -3.7%
Taxicab 24 0.3% N/A
Bus or trolleybus 43 0.6% 115.0%
Walk 28 0.4% 64.7%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Swansea by zipcode?

Zipcode Population Number of households Median income Average income
62226 28,255 11,919 $70,797 $91,837

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FAQs about Swansea demographics 

What is the total population of Swansea?

Swansea has a total population of 14,710 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +0.7% compared to a year ago.

What is the gender ratio in Swansea?

The gender ratio in Swansea is as follows:
  • 47.9% males (7,041 residents)
  • 52.1% females (7,669 residents)

What is the median age in Swansea?

The median age in Swansea is 42.3.

What is the age distribution of the population in Swansea?

The age distribution in Swansea is as follows:
  • Under 15: 18.7% (2,750 residents)
  • Ages 15-24: 13% (1,905 residents)
  • Ages 25-44: 24.5% (3,598 residents)
  • Ages 45-64: 25.6% (3,758 residents)
  • Over 65: 18.4% (2,699 residents)

What is the racial and ethnic makeup of Swansea?

The racial and ethnic makeup of Swansea is as follows:
  • White: 70.4% (10,362 residents)
  • Black or African American: 19.2% (2,832 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 2.5% (370 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 7.8% (1,146 residents)
  • Other: 0% (0 residents)

What percentage of the population in Swansea are U.S.-born citizens?

U.S.-born citizens represent 93.9% of the population in Swansea.

How many housing units are there in Swansea?

There are 6,175 housing units in Swansea, reflecting a +4.2% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Swansea and what is the average household size?

Swansea has a total of 5,777 households, with an average of 3 people in each.

What is the median household income in Swansea?

Swansea has a median household income of $91,587, representing a +8.6% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Swansea?

The employment rate is 94.3% in Swansea, with a workforce of 7,161 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 84.5% (6,053 residents)
  • Blue-collar workers: 15.5% (1,108 residents)

Places of employment:
  • Self-employed: 8.8% (629 residents)
  • Private companies: 64.8% (4,639 residents)
  • Governmental workers: 17.7% (1,270 residents)
  • Not-for-profit companies: 8.7% (623 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025