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zipcodes.pro — CITY/IL/SWANSEA

Swansea ZIP codes, Illinois

No ZIP code is named for Swansea, IL; addresses there use a neighbouring town's name. 5 ZIP codes cover it: 62269, 62221, 62226, 62208 and 62223. Its area codes are 618 and 730.

USPS city name
0 ZIP codes
Overlapping the city
5 more
Population
14,710
Area codes
618, 730

NANPA lists no telephone rate centre for Swansea itself, so these are the area codes of the nearest one, Belleville (0.0 miles). A town on an area-code boundary can differ from its neighbour.

Swansea in numbers

About 14,710 people live in Swansea, in 5,777 households. The median household income is $91,587 a year, 10% above the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $223,600 (15% below the Illinois median), and median gross rent is $1,137 a month. The median age is 42.3; 42.5% of adults 25 and over hold a bachelor's degree or higher (37.8% across Illinois); the average commute takes 24 minutes.

Population14,710Swansea14,710
Households5,777Swansea5,777
Median age42.3Swansea42.3Illinois39.0US 38.9
Median household income$91,587Swansea$91,587Illinois$83,390US $80,734
Median home value$223,600Swansea$223,600Illinois$263,300US $332,700
Median gross rent$1,137Swansea$1,137Illinois$1,274US $1,413
Bachelor's degree or higher42.5%Swansea42.5%Illinois37.8%US 35.7%
Mean commute24.1 minSwansea24.1 minIllinois27.8 minUS 26.4 min
Population density2,269 / sq miSwansea2,269 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Swansea village. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes covering Swansea

These ZIP codes cover part of Swansea but are addressed as somewhere else.

ZIP codes overlapping Swansea
ZIP City Type Population Median income Median home
62208 Fairview Heights , IL Standard 16,821 $80,205 $176,000
62221 Belleville , IL Standard 29,875 $82,271 $217,500
62223 Belleville , IL Standard 16,269 $73,700 $159,400
62226 Belleville , IL Standard 28,255 $70,797 $167,000
62269 O Fallon , IL Standard 35,923 $103,818 $291,800

Map of Swansea ZIP codes

6220862221622236222662269

The ZIP codes of Swansea, IL, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Swansea

The nearest larger towns are Belleville (41,370 people, 2.5 mi), Fairview Heights (16,745 people, 3.2 mi) and O'Fallon (32,262 people, 5.1 mi).

Towns near Swansea
TownPopulationDistance
Belleville 41,370 2.5 mi
Fairview Heights 16,745 3.2 mi
Shiloh 14,572 4.0 mi
O'Fallon 32,262 5.1 mi
Caseyville 4,130 5.9 mi
Scott AFB 3,957 7.3 mi
Millstadt 4,008 8.4 mi
Collinsville 24,031 8.6 mi
Freeburg 4,592 8.7 mi
East St. Louis 17,999 8.9 mi
Smithton 3,680 9.5 mi
Lebanon 4,474 10.2 mi
Mascoutah 8,816 10.4 mi
Madison 2,900 11.2 mi

More nearby: every ZIP code in St. Clair County · Illinois ZIP codes

Cite this page

zipcodes.pro. “Swansea, IL ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/il/swansea

Underlying data is public domain or openly licensed — sources, vintages and licences.