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Putnam County, Illinois

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Title: Putnam County, Illinois  
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Putnam County, Illinois

Putnam County, Illinois
Map of Illinois highlighting Putnam County
Location in the state of Illinois
Map of the United States highlighting Illinois
Illinois's location in the U.S.
Founded 1825
Named for Israel Putnam
Seat Hennepin
Largest village Granville
Area
 • Total 172 sq mi (445 km2)
 • Land 160 sq mi (414 km2)
 • Water 12 sq mi (31 km2), 7.0%
Population
 • (2010) 6,006
 • Density 37/sq mi (14/km²)
Congressional district 16th
Time zone Central: UTC-6/-5

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.[1] The county seat is Hennepin.[2] The county was formed in 1825 out of Fulton County and named after Israel Putnam,[3] who was a general in the American Revolution.

Putnam County is part of the Ottawa-Peru, IL Micropolitan Statistical Area, which is also included in the Chicago-Naperville, IL-IN-WI Combined Statistical Area.

Geography

According to the U.S. Census Bureau, the county has a total area of 172 square miles (450 km2), of which 160 square miles (410 km2) is land and 12 square miles (31 km2) (7.0%) is water.[4] It is the smallest county in Illinois by area.

Climate and weather

Hennepin, Illinois
Climate chart ()
J F M A M J J A S O N D
 
 
1.1
 
30
13
 
 
1.2
 
36
19
 
 
2.2
 
48
29
 
 
3.2
 
62
39
 
 
3.6
 
73
50
 
 
4.2
 
83
59
 
 
3.8
 
86
64
 
 
4.3
 
84
62
 
 
3.6
 
77
53
 
 
2.7
 
65
41
 
 
2.5
 
49
31
 
 
2
 
36
19
Average max. and min. temperatures in °F
Precipitation totals in inches
Source: The Weather Channel[5]

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.[5]

Major highways

Adjacent counties

Demographics

As of the census[10] of 2000, there were 6,086 people, 2,415 households, and 1,748 families residing in the county. The population density was 38 people per square mile (15/km²). There were 2,888 housing units at an average density of 18 per square mile (7/km²). The racial makeup of the county was 97.62% White, 0.62% Black or African American, 0.35% Native American, 0.26% Asian, 0.62% from other races, and 0.53% from two or more races. 2.81% of the population were Hispanic or Latino of any race. 26.9% were of German, 20.0% Italian, 8.1% Irish, 7.1% Polish and 5.5% Swedish ancestry according to Census 2000. There were 2,415 households out of which 30.50% had children under the age of 18 living with them, 62.10% were married couples living together, 7.00% had a female householder with no husband present, and 27.60% were non-families. 24.60% of all households were made up of individuals and 12.30% had someone living alone who was 65 years of age or older. The average household size was 2.52 and the average family size was 2.99. In the county the population was spread out with 25.10% under the age of 18, 7.00% from 18 to 24, 26.70% from 25 to 44, 25.30% from 45 to 64, and 15.90% who were 65 years of age or older. The median age was 40 years. For every 100 females there were 97.70 males. For every 100 females age 18 and over, there were 96.20 males.

The median income for a household in the county was $45,492, and the median income for a family was $50,708. Males had a median income of $40,938 versus $21,706 for females. The per capita income for the county was $19,792. About 4.20% of families and 5.50% of the population were below the poverty line, including 8.80% of those under age 18 and 3.10% of those age 65 or over.

Communities

Villages

Unincorporated communities

Townships

Putnam County is divided into four townships:

See also

References

  1. ^ a b "State & County QuickFacts". United States Census Bureau. Retrieved July 8, 2014. 
  2. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07. 
  3. ^ "About Putnam County". Putnam County, Illinois. Retrieved 2012-07-27. 
  4. ^ "US Gazetteer files: 2010, 2000, and 1990".  
  5. ^ a b "Monthly Averages for Hennepin, Illinois". The Weather Channel. Retrieved 2011-01-27. 
  6. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved July 8, 2014. 
  7. ^ "Historical Census Browser". University of Virginia Library. Retrieved July 8, 2014. 
  8. ^ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved July 8, 2014. 
  9. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000". United States Census Bureau. Retrieved July 8, 2014. 
  10. ^ "American FactFinder".  

External links

  • Putnam Information

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