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/CHADWICK

Chadwick ZIP code, Illinois

The ZIP code for Chadwick, IL is 61014, and its area codes are 815 and 779.

USPS city name
1 ZIP code
Population
591
Area codes
815, 779

Chadwick in numbers

About 591 people live in Chadwick, in 265 households. The median household income is $78,688 a year, 6% below the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $85,700 (67% below the Illinois median). The median age is 39.8; 35.8% of adults 25 and over hold a bachelor's degree or higher (37.8% across Illinois); the average commute takes 26 minutes.

Population591Chadwick591
Households265Chadwick265
Median age39.8Chadwick39.8Illinois39.0US 38.9
Median household income$78,688Chadwick$78,688Illinois$83,390US $80,734
Median home value$85,700Chadwick$85,700Illinois$263,300US $332,700
Bachelor's degree or higher35.8%Chadwick35.8%Illinois37.8%US 35.7%
Mean commute26.0 minChadwick26.0 minIllinois27.8 minUS 26.4 min
Population density1,900 / sq miChadwick1,900 / sq mi

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

ZIP codes addressed as Chadwick

ZIP codes with the USPS city name Chadwick
ZIP City Type Population Median income Median home
61014 Chadwick , IL Standard 1,067 $69,329 $103,800

Map of Chadwick ZIP codes

61014

The ZIP codes of Chadwick, 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 Chadwick

The nearest larger towns are Lanark (1,541 people, 6.7 mi), Milledgeville (1,218 people, 6.8 mi) and Mount Carroll (1,501 people, 7.2 mi).

Towns near Chadwick
TownPopulationDistance
Savanna 2,816 14.0 mi
Morrison 3,739 14.8 mi
Fulton 3,709 17.3 mi
Sterling 14,717 17.8 mi
Rock Falls 8,587 19.5 mi
Clinton, IA 24,322 21.7 mi
Freeport 23,505 23.0 mi
Mount Morris 2,726 23.7 mi
Dixon 14,910 24.2 mi
Camanche, IA 4,550 25.1 mi
Lena 2,761 25.4 mi
Oregon 3,851 28.4 mi

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

Cite this page

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

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