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/COOKSVILLE

Cooksville ZIP code, Illinois

The ZIP code for Cooksville, IL is 61730, and its area code is 309.

USPS city name
1 ZIP code
Population
200
Area code
309

Cooksville in numbers

About 200 people live in Cooksville, in 87 households. The median household income is $68,125 a year, 18% below the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $115,300 (56% below the Illinois median), and median gross rent is $955 a month. The median age is 39.8; 13.2% of adults 25 and over hold a bachelor's degree or higher (37.8% across Illinois); the average commute takes 29 minutes.

Population200Cooksville200
Households87Cooksville87
Median age39.8Cooksville39.8Illinois39.0US 38.9
Median household income$68,125Cooksville$68,125Illinois$83,390US $80,734
Median home value$115,300Cooksville$115,300Illinois$263,300US $332,700
Median gross rent$955Cooksville$955Illinois$1,274US $1,413
Bachelor's degree or higher13.2%Cooksville13.2%Illinois37.8%US 35.7%
Mean commute29.3 minCooksville29.3 minIllinois27.8 minUS 26.4 min
Population density922 / sq miCooksville922 / sq mi

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

ZIP codes addressed as Cooksville

ZIP codes with the USPS city name Cooksville
ZIP City Type Population Median income Median home
61730 Cooksville , IL Standard 361 $76,719 $160,600

Map of Cooksville ZIP codes

61730

The ZIP codes of Cooksville, 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 Cooksville

The nearest larger towns are Colfax (1,054 people, 5.4 mi), Arrowsmith (320 people, 7.8 mi) and Lexington (2,126 people, 8.1 mi).

Towns near Cooksville
TownPopulationDistance
Bloomington 78,907 14.2 mi
Le Roy 3,236 14.3 mi
Normal 53,569 14.7 mi
Fairbury 3,713 17.5 mi
Gibson City 3,434 18.4 mi
El Paso 2,917 21.0 mi
Heyworth 2,573 21.5 mi
Pontiac 11,294 24.3 mi
Mahomet 10,049 29.8 mi

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

Cite this page

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

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