Putnam County, Illinois Cities (2026)

6 cities

City
Rank
2026 Pop. ↓
2020 Pop.
Annual Change
Density
Area (mi²)
Type
Granville11,3181,357-0.45%1,0081 Village
Hennepin2741759-0.4%1405 Village
Mark3502516-0.4%4711 Village
McNabb4271279-0.37%1,5310 Village
Magnolia5252258-0.4%8050 Village
Standard6219227-0.45%3081 Village

Putnam County Cities Summary

Largest City

Granville is the largest city in Putnam County, with a population of 1,318.

Smallest City

Standard is the smallest city in Putnam County, with a population of 219.

10 Largest Cities

There are 6 cities in Putnam County, Illinois.

Location of Putnam County