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.[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, IL Micropolitan Statistical Area.

Putnam County
U.S. county
Location within the U.S. state of Illinois
Illinois's location within the U.S.
Coordinates: 41°12′N 89°17′W
Country United States
State Illinois
Founded1825
Named forIsrael Putnam
SeatHennepin
Largest villageGranville
Area
 • Total172 sq mi (450 km2)
 • Land160 sq mi (400 km2)
 • Water12 sq mi (30 km2)  7.0%
Population
 (2010)
 • Total6,006
 • Estimate 
(2018)
5,740
 • Density35/sq mi (13/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district16th
Websitewww.co.putnam.il.us

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 (explanation)
J
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M
A
M
J
J
A
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1.1
 
 
30
13
 
 
1.2
 
 
36
19
 
 
2.2
 
 
48
29
 
 
3.2
 
 
62
39
 
 
3.6
 
 
73
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4.2
 
 
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3.8
 
 
86
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4.3
 
 
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77
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2.7
 
 
65
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2.5
 
 
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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
  • Putnam County at the time of its creation in 1825
  • The county split in two portions, 1827-1831
  • Putnam County between 1831 and 1837
  • Putnam between 1837 and 1839
  • Putnam in 1839, reduced to its present borders

Demographics
Historical population
CensusPop.%±
18402,131—
18503,92484.1%
18605,58742.4%
18706,28012.4%
18805,554−11.6%
18904,730−14.8%
19004,7460.3%
19107,56159.3%
19207,5790.2%
19305,235−30.9%
19405,2891.0%
19504,746−10.3%
19604,570−3.7%
19705,0079.6%
19806,08521.5%
19905,730−5.8%
20006,0866.2%
20106,006−1.3%
2018 (est.)5,740[6]−4.4%
U.S. Decennial Census[7]
1790-1960[8] 1900-1990[9]
1990-2000[10] 2010-2017[1]

As of the 2010 census, there were 6,006 people, 2,509 households, and 1,734 families residing in the county.[11] The population density was 37.5 inhabitants per square mile (14.5/km2). There were 3,074 housing units at an average density of 19.2 per square mile (7.4/km2).[4] The racial makeup of the county was 96.6% white, 0.5% black or African American, 0.2% Asian, 0.1% American Indian, 1.4% from other races, and 1.1% from two or more races. Those of Hispanic or Latino origin made up 4.2% of the population.[11] In terms of ancestry, 46.5% were German, 16.7% were Irish, 16.3% were Italian, 10.9% were Polish, 10.1% were English, 5.1% were Swedish, and 3.5% were American.[12]

Of the 2,509 households, 27.7% had children under the age of 18 living with them, 57.6% were married couples living together, 7.2% had a female householder with no husband present, 30.9% were non-families, and 26.0% of all households were made up of individuals. The average household size was 2.39 and the average family size was 2.85. The median age was 45.2 years.[11]

The median income for a household in the county was $56,458 and the median income for a family was $68,875. Males had a median income of $50,205 versus $31,886 for females. The per capita income for the county was $27,004. About 6.2% of families and 10.9% of the population were below the poverty line, including 21.8% of those under age 18 and 5.4% of those age 65 or over.[13]

Communities

Villages

Unincorporated communities

Townships

Putnam County is divided into four townships:

Politics

Prior to 1988, Putnam County was a Republican Party stronghold in presidential elections, backing the Republican candidate in all but three elections from 1892 to 1984. From 1988 to 2012, the county consistently backed Democratic Party presidential candidates, but none fared better than Illinois resident Barack Obama's 56.9% in 2008. However, he failed to win a majority of the county's votes four years later despite winning it overall in his 2012 reelection bid. This foreshadowed what was to come in the 2016 election, as the county swung 21.8 points Republican to back Donald Trump over Illinois-born Hillary Clinton by a margin of 19.9%.[14]

Presidential election results
Presidential election results[15]
Year Republican Democratic Third parties
2016 56.8% 1,767 36.9% 1,147 6.4% 198
2012 47.8% 1,502 49.6% 1,559 2.6% 82
2008 41.2% 1,378 56.9% 1,900 1.9% 64
2004 48.4% 1,623 50.8% 1,704 0.8% 25
2000 45.2% 1,437 52.1% 1,657 2.7% 85
1996 35.7% 987 51.6% 1,425 12.7% 352
1992 29.3% 969 47.6% 1,574 23.1% 765
1988 48.3% 1,516 51.0% 1,601 0.7% 22
1984 56.0% 1,912 43.6% 1,487 0.4% 14
1980 57.4% 1,959 33.9% 1,158 8.7% 297
1976 53.1% 1,572 45.4% 1,344 1.5% 43
1972 59.7% 1,665 39.9% 1,112 0.4% 10
1968 53.9% 1,351 39.4% 988 6.6% 166
1964 45.4% 1,131 54.6% 1,359 0.0% 0
1960 55.6% 1,457 44.3% 1,160 0.1% 2
1956 65.3% 1,724 34.6% 913 0.2% 4
1952 62.6% 1,691 37.4% 1,010 0.1% 2
1948 60.2% 1,405 38.7% 905 1.1% 26
1944 63.5% 1,521 36.1% 865 0.4% 10
1940 59.6% 1,778 40.0% 1,195 0.4% 12
1936 49.5% 1,435 49.5% 1,437 1.0% 29
1932 39.6% 1,050 58.6% 1,554 1.8% 47
1928 61.1% 1,387 38.3% 869 0.6% 14
1924 61.5% 1,364 11.7% 260 26.8% 594
1920 74.0% 1,623 16.5% 362 9.4% 207
1916 62.5% 1,444 34.0% 785 3.6% 82
1912 39.9% 583 29.0% 424 31.1% 455
1908 63.0% 834 31.2% 413 5.8% 77
1904 65.0% 753 30.7% 355 4.3% 50
1900 60.3% 738 36.8% 450 2.9% 36
1896 58.1% 706 39.4% 479 2.6% 31
1892 49.0% 561 44.9% 514 6.0% 69

See also

References
  1. "State & County QuickFacts". United States Census Bureau. Archived from the original on September 5, 2015. Retrieved July 8, 2014.
  2. "Find a County". National Association of Counties. Retrieved June 7, 2011.
  3. "About Putnam County". Putnam County, Illinois. Retrieved July 27, 2012.
  4. "Population, Housing Units, Area, and Density: 2010 - County". United States Census Bureau. Archived from the original on February 12, 2020. Retrieved July 12, 2015.
  5. "Monthly Averages for Hennepin, Illinois". The Weather Channel. Retrieved January 27, 2011.
  6. "Population and Housing Unit Estimates". Retrieved November 2, 2019.
  7. "U.S. Decennial Census". United States Census Bureau. Retrieved July 8, 2014.
  8. "Historical Census Browser". University of Virginia Library. Retrieved July 8, 2014.
  9. "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved July 8, 2014.
  10. "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Retrieved July 8, 2014.
  11. "DP-1 Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data". United States Census Bureau. Archived from the original on February 13, 2020. Retrieved July 12, 2015.
  12. "DP02 SELECTED SOCIAL CHARACTERISTICS IN THE UNITED STATES – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Archived from the original on February 13, 2020. Retrieved July 12, 2015.
  13. "DP03 SELECTED ECONOMIC CHARACTERISTICS – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Archived from the original on February 13, 2020. Retrieved July 12, 2015.
  14. "Here's a map of the US counties that flipped to Trump from Democrats". www.cnbc.com. Retrieved October 19, 2019.
  15. Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections". uselectionatlas.org. Retrieved November 12, 2018.

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