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/LATHAM

Latham ZIP code, Illinois

The ZIP code for Latham, IL is 62543, and its area code is 217.

USPS city name
1 ZIP code
Population
297
Area code
217

Latham in numbers

About 297 people live in Latham, in 140 households. The median household income is $68,333 a year, 18% below the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $82,500 (69% below the Illinois median), and median gross rent is $750 a month. The median age is 47.5; 18.2% of adults 25 and over hold a bachelor's degree or higher (37.8% across Illinois); the average commute takes 24 minutes.

Population297Latham297
Households140Latham140
Median age47.5Latham47.5Illinois39.0US 38.9
Median household income$68,333Latham$68,333Illinois$83,390US $80,734
Median home value$82,500Latham$82,500Illinois$263,300US $332,700
Median gross rent$750Latham$750Illinois$1,274US $1,413
Bachelor's degree or higher18.2%Latham18.2%Illinois37.8%US 35.7%
Mean commute23.8 minLatham23.8 minIllinois27.8 minUS 26.4 min
Population density1,088 / sq miLatham1,088 / sq mi

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

ZIP codes addressed as Latham

ZIP codes with the USPS city name Latham
ZIP City Type Population Median income Median home
62543 Latham , IL Standard 477 $73,594 $87,800

Map of Latham ZIP codes

62543

The ZIP codes of Latham, 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 Latham

The nearest larger towns are Warrensburg (921 people, 5.8 mi), Chestnut (347 people, 6.1 mi) and Mount Pulaski (1,507 people, 7.1 mi).

Towns near Latham
TownPopulationDistance
Forsyth 3,502 10.9 mi
Decatur 69,815 14.3 mi
Clinton 6,985 16.3 mi
Lincoln 13,281 16.8 mi
Mount Zion 5,660 19.4 mi
Riverton 3,513 21.5 mi
Sherman 4,386 24.0 mi
Rochester 3,766 24.6 mi
Heyworth 2,573 25.6 mi
Springfield 113,330 28.3 mi
Taylorville 10,646 29.0 mi

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

Cite this page

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

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