Map of Putnam County, Illinois

Putnam County is the least extensive county in the U.S. state of Illinois. According to the 2010 census, it had a population of 6,006. The county seat is Hennepin. The county was formed in 1825 out of Fulton County and named after Israel Putnam, who was a general in the American Revolution. Putnam County is part of the Ottawa, IL Micropolitan Statistical Area.

Putnam County overview:
Name:Putnam County
FIPS code:17-155
State:Illinois
Founded:1825
Named for:Israel Putnam
Seat:Hennepin
Total Area:172 sq mi (450 km²)
Land Area:160 sq mi (400 km²)
Total Population:6,006
Population Density:35/sq mi (13/km²)
Time zone:UTC−6 (Central)
Summer Time Zone (DST):UTC−5 (CDT)
Website:www.co.putnam.il.us

Putnam County location map. Where is Putnam County?

Putnam County location on the U.S. Map. Where is Putnam County.
Location of Putnam County in the the United States.
Putnam County location on the Illinois map. Where is Putnam County.
Location of Putnam County in Illinois.

Putnam County Road Map

Putnam CountyStreet Map.
Street map of Putnam County, Illinois. Source: OpenStreetMap (OSM)
Putnam CountyMap
Putnam Countypolitical map.

Geography

According to the U.S. Census Bureau, the county has a total area of 172 square miles (450 km), of which 160 square miles (410 km) is land and 12 square miles (31 km) (7.0%) is water. It is the smallest county in Illinois by area.

Climate and weather

In recent years, average temperatures in the county seat of Hennepin have ranged from a low of 13 °F (−11 °C) in January to a high of 86 °F (30 °C) in July, although a record low of −30 °F (−34 °C) was recorded in January 1999 and a record high of 104 °F (40 °C) was recorded in June 1988. Average monthly precipitation ranged from 1.14 inches (29 mm) in January to 4.32 inches (110 mm) in August.

Major highways

  • Interstate 180
  • Illinois Route 18
  • Illinois Route 26
  • Illinois Route 29
  • Illinois Route 71
  • Illinois Route 89

Adjacent counties

Putnam County Topographic Map

Topographic Map of Putnam County, Illinois
Putnam County Topo map.

Putnam County Satellite Map

Satellite Map of Putnam County, Illinois
Putnam County satellite map.

Putnam County Outline Map

Outline Map of Putnam County, Illinois
Putnam County outline map.
5/5 - (5 votes)

Parent Unit Map

Map of United States
The United States (US) covers a total area of 9,833,520 sq. km. Of this area, the 48 contiguous states and the District of Columbia cover 8,080,470 sq. km. The archipelago of Hawaii has an area of 28,311 sq. km while the remaining area is part of the US territories. The greatest east-west distance in the ... Read more
Map of United States
Political map of Illinois State – Printable Collection
Illinois (/ˌɪlɪˈnɔɪ/ (listen) IL-ə-NOY) is a state in the Midwestern United States. It shares borders with Wisconsin to its north, Iowa to its northwest, Missouri to its southwest, Kentucky to its south, and Indiana to its east. Its largest metropolitan areas include the Chicago metropolitan area, and the Metro East section, of Greater St. Louis. ... Read more
Political map of Illinois State – Printable Collection

Related Administrative Divisions

Sub-Administrative Units Maps