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/NEW-WINDSOR

New Windsor ZIP code, Illinois

The ZIP code for New Windsor, IL is 61465, and its area code is 309.

USPS city name
1 ZIP code
Population
1,192
Area code
309

New Windsor in numbers

About 1,192 people live in New Windsor, in 546 households. The median household income is $56,875 a year, 32% below the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $127,400 (52% below the Illinois median).

Population1,192New Windsor1,192
Households546New Windsor546
Median household income$56,875New Windsor$56,875Illinois$83,390US $80,734
Median home value$127,400New Windsor$127,400Illinois$263,300US $332,700

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the ZIP code addressed as New Windsor. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as New Windsor

ZIP codes with the USPS city name New Windsor
ZIP City Type Population Median income Median home
61465 New Windsor , IL Standard 1,192 $56,875 $127,400

Map of New Windsor ZIP codes

61465

The ZIP codes of New Windsor, 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 New Windsor

The nearest larger towns are Orion (1,812 people, 11 mi), Aledo (3,668 people, 14 mi) and Coal Valley (4,229 people, 16 mi).

Towns near New Windsor
TownPopulationDistance
Aledo 3,668 13.9 mi
Coal Valley 4,229 15.9 mi
Milan 5,034 16.1 mi
Rock Island 36,151 18.7 mi
Galesburg 29,481 18.8 mi
Moline 42,197 18.8 mi
Colona 5,139 19.7 mi
Silvis 7,955 20.2 mi
East Moline 20,904 21.9 mi
Monmouth 8,581 22.2 mi
Knoxville 3,211 23.3 mi
Geneseo 6,673 23.7 mi
Bettendorf, IA 39,647 24.6 mi
Davenport, IA 100,913 24.8 mi

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

Cite this page

zipcodes.pro. “New Windsor, IL ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/il/new-windsor

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