Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/IL/SANDWICH

Sandwich ZIP code, Illinois

The ZIP code for Sandwich, IL is 60548, and its area codes are 779 and 815.

USPS city name
1 ZIP code
Overlapping the city
2 more
Population
7,219
Area codes
779, 815

Mail addressed to Sandwich uses the ZIP code above. 2 more ZIP codes cover part of the city but are addressed as somewhere else; they are listed separately below.

Sandwich in numbers

About 7,219 people live in Sandwich, in 2,743 households. The median household income is $80,768 a year, 3% below the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $255,700 (about the same as the Illinois median), and median gross rent is $1,029 a month. The median age is 39.3; 20.3% of adults 25 and over hold a bachelor's degree or higher (37.8% across Illinois); the average commute takes 27 minutes.

Population7,219Sandwich7,219
Households2,743Sandwich2,743
Median age39.3Sandwich39.3Illinois39.0US 38.9
Median household income$80,768Sandwich$80,768Illinois$83,390US $80,734
Median home value$255,700Sandwich$255,700Illinois$263,300US $332,700
Median gross rent$1,029Sandwich$1,029Illinois$1,274US $1,413
Bachelor's degree or higher20.3%Sandwich20.3%Illinois37.8%US 35.7%
Mean commute27.1 minSandwich27.1 minIllinois27.8 minUS 26.4 min
Population density1,524 / sq miSandwich1,524 / sq mi

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

ZIP codes addressed as Sandwich

ZIP codes with the USPS city name Sandwich
ZIP City Type Population Median income Median home
60548 Sandwich , IL Standard 11,721 $82,957 $262,100

Other ZIP codes overlapping Sandwich

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

ZIP codes overlapping Sandwich
ZIP City Type Population Median income Median home
60545 Plano , IL Standard 14,392 $86,756 $241,500
60552 Somonauk , IL Standard 4,285 $113,411 $257,400

Map of Sandwich ZIP codes

60548

The ZIP codes of Sandwich, 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 Sandwich

The nearest larger towns are Plano (12,203 people, 4.8 mi), Yorkville (23,617 people, 9.9 mi) and Sugar Grove (9,240 people, 12 mi).

Towns near Sandwich
TownPopulationDistance
Lake Holiday 5,641 3.1 mi
Plano 12,203 4.8 mi
Sheridan 2,519 8.9 mi
Yorkville 23,617 9.9 mi
Sugar Grove 9,240 12.0 mi
Montgomery 21,515 14.3 mi
Oswego 36,375 14.6 mi
Boulder Hill 8,989 15.3 mi
North Aurora 18,696 18.0 mi
Elburn 6,354 18.2 mi
Aurora 179,898 18.7 mi
Plainfield 46,708 19.3 mi
Cortland 4,564 20.2 mi
DeKalb 40,443 20.3 mi

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

Cite this page

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

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