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zipcodes.pro — STATE/IL/COUNTY/CASS

Cass County, IL ZIP codes

Cass County, IL has 6 ZIP codes, in 6 towns: 62618, 62691, 62612, 62611, 62627 and 62622.

The county seat is Virginia.

ZIP codes
6
Towns
6
County seat
Virginia
County FIPS
17017
Population
12,784
Median household income
$68,125
Land area
376 sq mi

Cass County ZIP codes by town

Virginia (county seat)
62691

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 Cass County ZIP codes

626116261262618626226262762691

The ZIP codes of Cass 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.

Cass County in numbers

About 12,784 people live in Cass County, in 5,128 households, the 81st most populous of Illinois's 102 counties. The median household income is $68,125 a year, 18% below the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $97,100 (63% below the Illinois median), and median gross rent is $723 a month. The median age is 38.3; 20.8% of adults 25 and over hold a bachelor's degree or higher (37.8% across Illinois); the average commute takes 21 minutes.

Population12,784Cass12,784
Households5,128Cass5,128
Median age38.3Cass38.3Illinois39.0US 38.9
Median household income$68,125Cass$68,125Illinois$83,390US $80,734
Median home value$97,100Cass$97,100Illinois$263,300US $332,700
Median gross rent$723Cass$723Illinois$1,274US $1,413
Bachelor's degree or higher20.8%Cass20.8%Illinois37.8%US 35.7%
Mean commute21.0 minCass21.0 minIllinois27.8 minUS 26.4 min
Population density34 / sq miCass34 / 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 Cass County

Largest towns in Cass County
TownZIP codesPopulation
Beardstown 1 6,169
Virginia 1 1,543
Ashland 1 999
Chandlerville 1 534
Arenzville 1 342
Bluff Springs 1 100

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 Cass County.

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

Every ZIP code in Cass County, with figures

ZIP codes in Cass County
ZIP City Type Population Median income Median home
62611 Arenzville , IL Standard 1,047 $62,875 $159,800
62612 Ashland , IL Standard 1,398 $69,569 $113,400
62618 Beardstown , IL Standard 7,428 $65,208 $89,100
62622 Bluff Springs , IL Standard 100 — —
62627 Chandlerville , IL Standard 1,006 $63,235 $84,300
62691 Virginia , IL Standard 2,349 $78,798 $115,200

Cite this page

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

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