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/WARREN

Warren ZIP code, Illinois

The ZIP code for Warren, IL is 61087, and its area codes are 815 and 779.

USPS city name
1 ZIP code
Population
1,396
Area codes
815, 779

Warren in numbers

About 1,396 people live in Warren, in 563 households. The median household income is $75,813 a year, 9% below the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $102,200 (61% below the Illinois median), and median gross rent is $741 a month. The median age is 42.4; 12.9% of adults 25 and over hold a bachelor's degree or higher (37.8% across Illinois); the average commute takes 28 minutes.

Population1,396Warren1,396
Households563Warren563
Median age42.4Warren42.4Illinois39.0US 38.9
Median household income$75,813Warren$75,813Illinois$83,390US $80,734
Median home value$102,200Warren$102,200Illinois$263,300US $332,700
Median gross rent$741Warren$741Illinois$1,274US $1,413
Bachelor's degree or higher12.9%Warren12.9%Illinois37.8%US 35.7%
Mean commute27.8 minWarren27.8 minIllinois27.8 minUS 26.4 min
Population density1,351 / sq miWarren1,351 / sq mi

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

ZIP codes addressed as Warren

ZIP codes with the USPS city name Warren
ZIP City Type Population Median income Median home
61087 Warren , IL Standard 1,588 $77,321 $108,900

Map of Warren ZIP codes

61087

The ZIP codes of Warren, 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 Warren

The nearest larger towns are Stockton (1,873 people, 9.8 mi), Lena (2,761 people, 12 mi) and Darlington, WI (2,409 people, 14 mi).

Towns near Warren
TownPopulationDistance
Lena 2,761 11.8 mi
Monroe, WI 10,587 19.5 mi
Galena 2,931 22.8 mi
Freeport 23,505 23.1 mi
Mineral Point, WI 2,559 27.2 mi
Savanna 2,816 28.7 mi
Platteville, WI 11,499 29.1 mi

More nearby: every ZIP code in Jo Daviess County · Illinois ZIP codes

Cite this page

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

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