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zipcodes.pro — CITY/IL/OSWEGO

Oswego ZIP code, Illinois

The ZIP code for Oswego, IL is 60543, and its area codes are 331 and 630.

USPS city name
1 ZIP code
Overlapping the city
4 more
Population
36,375
Area codes
331, 630

Mail addressed to Oswego uses the ZIP code above. 4 more ZIP codes cover part of the city but are addressed as somewhere else; they are listed separately below.

Oswego in numbers

About 36,375 people live in Oswego, in 12,243 households, the 50th-largest of Illinois's 1,443 census places. The median household income is $123,792 a year, 48% above the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $344,500 (31% above the Illinois median), and median gross rent is $1,860 a month. The median age is 38.7; 44.3% of adults 25 and over hold a bachelor's degree or higher (37.8% across Illinois); the average commute takes 32 minutes.

Population36,375Oswego36,375
Households12,243Oswego12,243
Median age38.7Oswego38.7Illinois39.0US 38.9
Median household income$123,792Oswego$123,792Illinois$83,390US $80,734
Median home value$344,500Oswego$344,500Illinois$263,300US $332,700
Median gross rent$1,860Oswego$1,860Illinois$1,274US $1,413
Bachelor's degree or higher44.3%Oswego44.3%Illinois37.8%US 35.7%
Mean commute31.5 minOswego31.5 minIllinois27.8 minUS 26.4 min
Population density2,298 / sq miOswego2,298 / sq mi

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

ZIP codes addressed as Oswego

ZIP codes with the USPS city name Oswego
ZIP City Type Population Median income Median home
60543 Oswego , IL Standard 43,047 $119,371 $343,800

Other ZIP codes overlapping Oswego

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

ZIP codes overlapping Oswego
ZIP City Type Population Median income Median home
60503 Aurora , IL Standard 16,789 $136,726 $324,500
60512 Bristol , IL Standard 1,090 $96,895 $352,200
60538 Montgomery , IL Standard 30,514 $97,131 $267,300
60560 Yorkville , IL Standard 28,795 $110,326 $346,300

Map of Oswego ZIP codes

60543

The ZIP codes of Oswego, 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 Oswego

The nearest larger towns are Plainfield (46,708 people, 6.1 mi), Aurora (179,898 people, 6.1 mi) and Naperville (150,692 people, 10 mi).

Towns near Oswego
TownPopulationDistance
Boulder Hill 8,989 1.9 mi
Montgomery 21,515 2.8 mi
Yorkville 23,617 4.9 mi
Plainfield 46,708 6.1 mi
Aurora 179,898 6.1 mi
Sugar Grove 9,240 8.2 mi
North Aurora 18,696 8.7 mi
Plano 12,203 10.2 mi
Naperville 150,692 10.2 mi
Batavia 27,151 11.5 mi
Bolingbrook 74,096 12.0 mi
Warrenville 14,718 12.3 mi
Romeoville 41,152 12.9 mi
Shorewood 18,343 13.1 mi

More nearby: every ZIP code in Kendall County · Illinois ZIP codes

Cite this page

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

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