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zipcodes.pro — STATE/IL/COUNTY/CLINTON

Clinton County, IL ZIP codes

There are 12 ZIP codes in Clinton County, IL, in 12 towns, from 62215 to 62293. The largest are 62231 (Carlyle), 62230 (Breese) and 62293 (Trenton). 1 more crosses into it from a neighbouring county: 62801.

The county seat is Carlyle.

ZIP codes
12
Partly in it
1 more
Towns
12
County seat
Carlyle
County FIPS
17027
Population
36,954
Median household income
$86,588
Land area
474 sq mi
Area code
618
Metro area
St. Louis

Clinton County ZIP codes by town

Carlyle (county seat)
62231

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 Clinton County

This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of Clinton County.

Map of Clinton County ZIP codes

622156221662218622196223062231622456225062252622656226662293

The ZIP codes of Clinton 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.

Clinton County in numbers

About 36,954 people live in Clinton County, in 14,570 households, the 37th most populous of Illinois's 102 counties. The median household income is $86,588 a year, 4% above the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $192,400 (27% below the Illinois median), and median gross rent is $912 a month. The median age is 41.5; 25.9% of adults 25 and over hold a bachelor's degree or higher (37.8% across Illinois); the average commute takes 26 minutes.

Population36,954Clinton36,954
Households14,570Clinton14,570
Median age41.5Clinton41.5Illinois39.0US 38.9
Median household income$86,588Clinton$86,588Illinois$83,390US $80,734
Median home value$192,400Clinton$192,400Illinois$263,300US $332,700
Median gross rent$912Clinton$912Illinois$1,274US $1,413
Bachelor's degree or higher25.9%Clinton25.9%Illinois37.8%US 35.7%
Mean commute25.9 minClinton25.9 minIllinois27.8 minUS 26.4 min
Population density78 / sq miClinton78 / 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 Clinton County

Largest towns in Clinton County
TownZIP codesPopulation
Breese 1 4,301
New Baden 1 3,463
Carlyle 1 2,980
Trenton 1 2,664
Aviston 1 2,387
Germantown 1 1,350
Albers 1 1,280
Beckemeyer 1 993
Bartelso 1 782
Hoffman 1 607
Huey 1 109
New Memphis 1 103

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 Clinton County.

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

Every ZIP code in Clinton County, with figures

ZIP codes in Clinton County
ZIP City Type Population Median income Median home
62215 Albers , IL Standard 1,917 $107,727 $204,700
62216 Aviston , IL Standard 3,156 $120,139 $260,900
62218 Bartelso , IL Standard 2,018 $91,250 $217,800
62219 Beckemeyer , IL Standard 993 $63,603 $121,300
62230 Breese , IL Standard 6,377 $91,350 $229,300
62231 Carlyle , IL Standard 6,377 $84,214 $167,500
62245 Germantown , IL Standard 1,861 $91,767 $204,500
62250 Hoffman , IL Standard 607 $66,667 $106,700
62252 Huey , IL No street area — — —
62265 New Baden , IL Standard 4,555 $84,853 $194,500
62266 New Memphis , IL Standard 103 $52,917 $113,900
62293 Trenton , IL Standard 4,433 $98,155 $250,600

Cite this page

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

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