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 — STATE/IL/COUNTY/JOHNSON

Johnson County, IL ZIP codes

There are 8 ZIP codes in Johnson County, IL, in 8 towns, from 62909 to 62995. The largest are 62995 (Vienna), 62939 (Goreville) and 62972 (Ozark). 2 more cross into it from neighbouring counties: 62985 and 62908.

The county seat is Vienna.

ZIP codes
8
Partly in it
2 more
Towns
8
County seat
Vienna
County FIPS
17087
Population
13,376
Median household income
$62,528
Land area
344 sq mi

Johnson County ZIP codes by town

Vienna (county seat)
62995

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

ZIP codes partly in Johnson County

These ZIP codes lie mostly in a neighbouring county but each cover a twentieth or more of Johnson County.

Map of Johnson County ZIP codes

6290962912629236293962943629676297262995

The ZIP codes of Johnson County, 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.

Johnson County in numbers

About 13,376 people live in Johnson County, in 4,101 households, the 79th most populous of Illinois's 102 counties. The median household income is $62,528 a year, 25% below the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $160,500 (39% below the Illinois median), and median gross rent is $781 a month. The median age is 41.4; 19.6% of adults 25 and over hold a bachelor's degree or higher (37.8% across Illinois); the average commute takes 28 minutes.

Population13,376Johnson13,376
Households4,101Johnson4,101
Median age41.4Johnson41.4Illinois39.0US 38.9
Median household income$62,528Johnson$62,528Illinois$83,390US $80,734
Median home value$160,500Johnson$160,500Illinois$263,300US $332,700
Median gross rent$781Johnson$781Illinois$1,274US $1,413
Bachelor's degree or higher19.6%Johnson19.6%Illinois37.8%US 35.7%
Mean commute28.4 minJohnson28.4 minIllinois27.8 minUS 26.4 min
Population density39 / sq miJohnson39 / sq mi

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

Largest towns in Johnson County

Largest towns in Johnson County
TownZIP codesPopulation
Vienna 1 1,873
Goreville 1 1,236
Ozark 1 1,056
Grantsburg 1 428
Buncombe 1 329
Cypress 1 252
New Burnside 1 162

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Johnson County.

Not sure you are in Johnson County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Johnson County, with figures

ZIP codes in Johnson County
ZIP City Type Population Median income Median home
62909 Boles , IL No street area — — —
62912 Buncombe , IL Standard 1,515 $63,750 $108,500
62923 Cypress , IL Standard 441 $51,806 $78,600
62939 Goreville , IL Standard 2,958 $65,750 $173,000
62943 Grantsburg , IL Standard 428 $83,194 $138,600
62967 New Burnside , IL Standard 309 $62,404 $116,700
62972 Ozark , IL Standard 1,056 $84,175 $188,800
62995 Vienna , IL Standard 6,339 $49,744 $154,800

Cite this page

zipcodes.pro. “Johnson County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/il/county/johnson

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