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/SAYBROOK

Saybrook ZIP code, Illinois

The ZIP code for Saybrook, IL is 61770, and its area code is 309.

USPS city name
1 ZIP code
Population
744
Area code
309

Saybrook in numbers

About 744 people live in Saybrook, in 295 households. The median household income is $52,721 a year, 37% below the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $98,100 (63% below the Illinois median), and median gross rent is $923 a month. The median age is 37.6; 15.8% of adults 25 and over hold a bachelor's degree or higher (37.8% across Illinois); the average commute takes 35 minutes.

Population744Saybrook744
Households295Saybrook295
Median age37.6Saybrook37.6Illinois39.0US 38.9
Median household income$52,721Saybrook$52,721Illinois$83,390US $80,734
Median home value$98,100Saybrook$98,100Illinois$263,300US $332,700
Median gross rent$923Saybrook$923Illinois$1,274US $1,413
Bachelor's degree or higher15.8%Saybrook15.8%Illinois37.8%US 35.7%
Mean commute34.6 minSaybrook34.6 minIllinois27.8 minUS 26.4 min
Population density928 / sq miSaybrook928 / sq mi

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

ZIP codes addressed as Saybrook

ZIP codes with the USPS city name Saybrook
ZIP City Type Population Median income Median home
61770 Saybrook , IL Standard 1,067 $60,750 $110,900

Map of Saybrook ZIP codes

The ZIP codes of Saybrook, 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 Saybrook

The nearest larger towns are Gibson City (3,434 people, 8.2 mi), Colfax (1,054 people, 11 mi) and Fisher (1,605 people, 12 mi).

Towns near Saybrook
TownPopulationDistance
Gibson City 3,434 8.2 mi
Le Roy 3,236 13.8 mi
Mahomet 10,049 18.0 mi
Rantoul 12,421 21.4 mi
Fairbury 3,713 22.0 mi
Paxton 4,131 22.3 mi
Bloomington 78,907 23.6 mi
Normal 53,569 25.3 mi
Champaign 89,996 25.4 mi
Heyworth 2,573 25.8 mi
Monticello 6,304 27.4 mi
Urbana 39,341 28.0 mi
Savoy 8,968 29.2 mi

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

Cite this page

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

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