ZIP Code 61340
About Mark
Mark is a village in Putnam County, Illinois, United States. As of the 2020 census, Mark had a population of 519. It is part of the Ottawa Micropolitan Statistical Area. It maintains close ties to neighboring Granville, Illinois.
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Area Profile
US Census (ACS 5-year · Gazetteer)
497
population
$79,286
median household income
570
people / sq mi
$153,600
median home value
$856
median gross rent
44.8
median age
275
housing units
244
households
0.9
land area (sq mi)