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zipcodes.pro — CITY/IL/MARK

Mark ZIP code, Illinois

The ZIP code for Mark, IL is 61340, and its area codes are 779 and 815.

USPS city name
1 ZIP code
Overlapping the city
2 more
Population
574
Area codes
779, 815

NANPA lists no telephone rate centre for Mark itself, so these are the area codes of the nearest one, Granville (1.7 miles). A town on an area-code boundary can differ from its neighbour.

Mail addressed to Mark uses the ZIP code above. 2 more ZIP codes cover part of the city but are addressed as somewhere else; they are listed separately below.

Mark in numbers

About 574 people live in Mark, in 270 households. The median household income is $79,063 a year, 5% below the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $161,600 (39% below the Illinois median), and median gross rent is $938 a month. The median age is 45.0; 22.1% of adults 25 and over hold a bachelor's degree or higher (37.8% across Illinois); the average commute takes 20 minutes.

Population574Mark574
Households270Mark270
Median age45.0Mark45.0Illinois39.0US 38.9
Median household income$79,063Mark$79,063Illinois$83,390US $80,734
Median home value$161,600Mark$161,600Illinois$263,300US $332,700
Median gross rent$938Mark$938Illinois$1,274US $1,413
Bachelor's degree or higher22.1%Mark22.1%Illinois37.8%US 35.7%
Mean commute19.8 minMark19.8 minIllinois27.8 minUS 26.4 min
Population density539 / sq miMark539 / sq mi

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

ZIP codes addressed as Mark

ZIP codes with the USPS city name Mark
ZIP City Type Population Median income Median home
61340 Mark , IL Standard 545 $78,750 $160,100

Other ZIP codes overlapping Mark

These ZIP codes cover part of Mark but are addressed as somewhere else.

ZIP codes overlapping Mark
ZIP City Type Population Median income Median home
61326 Granville , IL Standard 1,953 $70,880 $148,100
61327 Hennepin , IL Standard 1,442 $89,306 $211,300

Map of Mark ZIP codes

The ZIP codes of Mark, 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 Mark

The nearest larger towns are Granville (1,472 people, 1.3 mi), Hennepin (929 people, 3.2 mi) and De Pue (1,532 people, 5.3 mi).

Towns near Mark
TownPopulationDistance
Spring Valley 5,476 5.6 mi
Peru 9,775 8.9 mi
LaSalle 9,498 9.6 mi
Oglesby 3,570 9.8 mi
Princeton 7,975 13.6 mi
Mendota 6,994 21.9 mi
Ottawa 18,447 23.3 mi
Streator 12,330 24.1 mi
Chillicothe 5,900 27.2 mi
Marseilles 4,279 29.8 mi

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

Cite this page

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

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