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.

Official town website ↗

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Town numbers

ZIP code61340

Area codeSign in to add

Living in Mark

Housing in Mark

$130K Median sale price · Redfin, April 2026

The median sale price was $130,000 in April 2026.

Zillow Home Value Index · Redfin Data CenterHousing market →

Work & commute in Mark

Full picture →

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.

Granville

Peru

Peoria

Spring Valley

4%Work in townlive and work in Mark 14 miWhere do people commute?the commute map 260Jobs based herebalanced

Census LEHD 2023 · ACSWork & commute in Mark →

Health in Mark

Compared with Illinois

4better than IL·2worse

of 32 measures CDC estimates. The other 26 are too close to call.

Conditions 2▼ 10 close Habits all close Care 2▲ 5 close Mind all close Everyday needs 2▲ 2 close

BetterToo close to callWorse

What stands out

7.6%Fewer uninsured adultsIL 9.9% · better 12.7%Fewer adults facing food insecurityIL 15.9% · better 8.9%More adults who have had cancerIL 7.6% · worse

Care nearby

Osf Saint Elizabeth Mdl CtrPeru · 8.2 mi · ER

Community Health Partnership of IllinoisMendota · 21.2 mi · sliding-scale fees

Primary careShortage · county-wide

DentalNo shortage

Mental healthShortage · county-wide

CDC PLACES 2025 · modeled estimates for adults · CDC's estimate for Mark · CMS · HRSAHealth in Mark →

Natural hazards in Mark

Low

Expected storm and flood damage is higher than in 38% of U.S. communities.

🌊 Inland flooding🌪️ Tornadoes🥶 Cold waves

0Does Mark flood?no paid flood claims on record 3Disasters that paid out herefederal disasters sent FEMA money to Mark

FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Mark →

Climate in Mark

Full climate →

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.

35° / 19°Winter

61° / 39°Spring

83° / 62°Summer

63° / 42°Fall