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zipcodes.pro — CITY/IL/DENNISON

Dennison ZIP code, Illinois

The ZIP code for Dennison, IL is 62423, and its area codes are 217 and 447.

USPS city name
1 ZIP code
Population
546
Area codes
217, 447

NANPA lists no telephone rate centre for Dennison itself, so these are the area codes of the nearest one, Marshall (7.9 miles). A town on an area-code boundary can differ from its neighbour.

Dennison in numbers

About 546 people live in Dennison, in 222 households. The median household income is $47,179 a year, 43% below the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $173,300 (34% below the Illinois median).

Population546Dennison546
Households222Dennison222
Median household income$47,179Dennison$47,179Illinois$83,390US $80,734
Median home value$173,300Dennison$173,300Illinois$263,300US $332,700

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

ZIP codes addressed as Dennison

ZIP codes with the USPS city name Dennison
ZIP City Type Population Median income Median home
62423 Dennison , IL Standard 546 $47,179 $173,300

Map of Dennison ZIP codes

62423

The ZIP codes of Dennison, 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 Dennison

The nearest larger towns are West Terre Haute, IN (2,092 people, 6.9 mi), St. Mary of the Woods, IN (959 people, 7.0 mi) and Marshall (4,040 people, 7.4 mi).

Towns near Dennison
TownPopulationDistance
Marshall 4,040 7.4 mi
Terre Haute, IN 58,427 10.9 mi
Paris 8,276 12.0 mi
North Terre Haute, IN 4,534 12.5 mi
Clinton, IN 4,794 16.6 mi
Brazil, IN 7,831 24.6 mi
Sullivan, IN 4,252 26.9 mi
Rockville, IN 2,559 28.1 mi

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

Cite this page

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

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