Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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zipcodes.pro — STATE/IL/COUNTY/STARK

Stark County, IL ZIP codes

Stark County, IL has 5 ZIP codes, in 5 towns: 61491, 61483, 61421, 61449 and 61426.

The county seat is Toulon.

ZIP codes
5
Towns
5
County seat
Toulon
County FIPS
17175
Population
5,308
Median household income
$62,878
Land area
288 sq mi
Metro area
Peoria

Stark County ZIP codes by town

Toulon (county seat)
61483

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.

Map of Stark County ZIP codes

6142161426614496148361491

The ZIP codes of Stark 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.

Stark County in numbers

About 5,308 people live in Stark County, in 2,285 households, the 95th most populous of Illinois's 102 counties. The median household income is $62,878 a year, 25% below the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $104,500 (60% below the Illinois median), and median gross rent is $735 a month. The median age is 44.4; 21.4% of adults 25 and over hold a bachelor's degree or higher (37.8% across Illinois); the average commute takes 26 minutes.

Population5,308Stark5,308
Households2,285Stark2,285
Median age44.4Stark44.4Illinois39.0US 38.9
Median household income$62,878Stark$62,878Illinois$83,390US $80,734
Median home value$104,500Stark$104,500Illinois$263,300US $332,700
Median gross rent$735Stark$735Illinois$1,274US $1,413
Bachelor's degree or higher21.4%Stark21.4%Illinois37.8%US 35.7%
Mean commute25.7 minStark25.7 minIllinois27.8 minUS 26.4 min
Population density18 / sq miStark18 / 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 Stark County

Largest towns in Stark County
TownZIP codesPopulation
Wyoming 1 1,578
Toulon 1 1,485
Bradford 1 772
La Fayette 1 178
Castleton 1 41

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 Stark County.

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

Every ZIP code in Stark County, with figures

ZIP codes in Stark County
ZIP City Type Population Median income Median home
61421 Bradford , IL Standard 1,231 $65,833 $91,300
61426 Castleton , IL Standard 41 — —
61449 La Fayette , IL Standard 339 $51,635 $66,100
61483 Toulon , IL Standard 1,801 $63,558 $109,100
61491 Wyoming , IL Standard 2,230 $62,500 $119,900

Cite this page

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

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