MarkIL
A town of 574.
574 people, and everyone knows the way
In a town this size, neighbors are the best guide. Ask them anything.
Mark’s report card
Now in Mark
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The data
Ordered by what stands out in Mark. Another town gets a different order.
Four seasons, pleasant summers
Mark has chilly winters and warm summers. A typical July afternoon reaches 85°, a January night drops to 15°, and about 29 inches of snow falls in a normal winter.
Typical low → high °F
Most working residents commute out of Mark
Most working residents leave Mark for work: only 4% work in town. The top destinations are Granville (8%), Peru (7%) and Peoria (5%). Half commute less than 14 miles.
Where working residents work
Low risk, with inland flooding at the top
Expected storm and flood damage is higher than in 38% of U.S. communities.
How healthy Mark is
Mark beats the Illinois average on 4 of 32 CDC measures and trails it on 2.
| What stands out | Mark | IL |
|---|---|---|
| Fewer uninsured adults | 7.6% | 9.9% |
| Fewer adults facing food insecurity | 12.7% | 15.9% |
| More adults who have had cancer | 8.9% | 7.6% |
Homes in Mark sell for about $130K
The median sale price was $130,000 in April 2026.
About Mark
Place in Illinois, United States
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.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
- Population
- 519
- Area
- 1.1 sq mi
- ZIP code
- 61340