Carroll County, Illinois

Carroll County is a county located in the U.S. state of Illinois. As of the 2010 census, the population was 15,387.[1] Its county seat is Mount Carroll.[2]

Carroll County
U.S. county
Location within the U.S. state of Illinois
Illinois's location within the U.S.
Coordinates: 42°04′N 89°55′W
Country United States
State Illinois
Founded1839
Named forCharles Carroll
SeatMount Carroll
Largest citySavanna
Area
 • Total466 sq mi (1,210 km2)
 • Land445 sq mi (1,150 km2)
 • Water22 sq mi (60 km2)  4.6%
Population
 (2010)
 • Total15,387
 • Estimate 
(2018)
14,312
 • Density33/sq mi (13/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district17th
Websitewww.carroll-county.net

History

Carroll County was formed in 1839 out of Jo Daviess County. The county is named for Charles Carroll who signed the Declaration of Independence.[3] Carroll, who died in 1832, was the last signer to die.

  • Carroll County at the time of its creation in 1839

Geography

According to the U.S. Census Bureau, the county has a total area of 466 square miles (1,210 km2), of which 445 square miles (1,150 km2) is land and 22 square miles (57 km2) (4.6%) is water.[4] The Mississippi Palisades State Park is in this county, just north of the city of Savanna. The Savanna Army Depot is located partly in this county.

Adjacent counties

National protected area

Major highways

Climate and weather
Mount Carroll, Illinois
Climate chart (explanation)
J
F
M
A
M
J
J
A
S
O
N
D
 
 
1.4
 
 
29
7
 
 
1.5
 
 
35
13
 
 
2.6
 
 
47
25
 
 
3.7
 
 
60
35
 
 
4.3
 
 
72
46
 
 
4.8
 
 
82
54
 
 
3.8
 
 
85
59
 
 
4.5
 
 
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56
 
 
3.5
 
 
76
47
 
 
2.7
 
 
64
36
 
 
2.8
 
 
47
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34
14
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 Mount Carroll have ranged from a low of 7 °F (−14 °C) in January to a high of 85 °F (29 °C) in July, although a record low of −31 °F (−35 °C) was recorded in January 1910 and a record high of 108 °F (42 °C) was recorded in July 1936. Average monthly precipitation ranged from 1.43 inches (36 mm) in January to 4.77 inches (121 mm) in June.[5]

Demographics
2000 census age pyramid for Carroll County.
Historical population
CensusPop.%±
18401,023—
18504,586348.3%
186011,733155.8%
187016,70542.4%
188016,9761.6%
189018,3207.9%
190018,9633.5%
191018,035−4.9%
192019,3457.3%
193018,433−4.7%
194017,987−2.4%
195018,9765.5%
196019,5072.8%
197019,276−1.2%
198018,779−2.6%
199016,805−10.5%
200016,674−0.8%
201015,387−7.7%
2018 (est.)14,312[6]−7.0%
U.S. Decennial Census[7]
1790-1960[8] 1900-1990[9]
1990-2000[10] 2010-2013[1]

As of the 2010 United States Census, there were 15,387 people, 6,622 households, and 4,343 families residing in the county.[11] The population density was 34.6 inhabitants per square mile (13.4/km2). There were 8,437 housing units at an average density of 19.0 per square mile (7.3/km2).[4] The racial makeup of the county was 96.9% white, 0.8% black or African American, 0.3% Asian, 0.3% American Indian, 0.6% from other races, and 1.1% from two or more races. Those of Hispanic or Latino origin made up 2.8% of the population.[11] In terms of ancestry, 40.4% were German, 14.0% were Irish, 11.2% were English, and 10.6% were American.[12]

Of the 6,622 households, 26.3% had children under the age of 18 living with them, 53.1% were married couples living together, 8.2% had a female householder with no husband present, 34.4% were non-families, and 29.8% of all households were made up of individuals. The average household size was 2.29 and the average family size was 2.80. The median age was 46.5 years.[11]

The median income for a household in the county was $44,805 and the median income for a family was $55,341. Males had a median income of $42,421 versus $27,552 for females. The per capita income for the county was $25,914. About 7.8% of families and 11.7% of the population were below the poverty line, including 18.4% of those under age 18 and 5.8% of those age 65 or over.[13]

Education

Communities

Cities

Villages

Townships

Carroll County is divided into these twelve townships:

Notable people

Politics
Presidential elections results
Presidential elections results[17]
Year Republican Democratic Third parties
2020 63.6% 5,105 34.3% 2,748 2.1% 171
2016 59.6% 4,434 32.9% 2,447 7.6% 564
2012 48.0% 3,555 49.5% 3,665 2.5% 186
2008 46.7% 3,596 51.5% 3,965 1.7% 132
2004 55.7% 4,534 43.5% 3,537 0.8% 64
2000 53.4% 3,835 43.4% 3,113 3.2% 229
1996 44.6% 3,029 43.0% 2,926 12.4% 844
1992 42.9% 3,297 37.2% 2,854 19.9% 1,528
1988 59.4% 4,464 39.8% 2,990 0.8% 58
1984 68.4% 5,237 31.3% 2,398 0.3% 23
1980 63.4% 5,084 26.9% 2,154 9.8% 785
1976 59.3% 5,059 39.6% 3,372 1.1% 95
1972 70.0% 6,041 29.8% 2,571 0.2% 19
1968 63.7% 5,275 30.9% 2,558 5.4% 449
1964 52.5% 4,487 47.5% 4,062
1960 66.7% 6,282 32.9% 3,097 0.4% 39
1956 70.6% 6,503 29.2% 2,693 0.2% 15
1952 72.9% 6,978 27.0% 2,584 0.2% 14
1948 64.9% 5,318 34.3% 2,809 0.8% 62
1944 68.1% 6,101 31.7% 2,843 0.2% 18
1940 63.9% 6,398 35.9% 3,592 0.2% 23
1936 52.4% 4,886 46.8% 4,368 0.8% 74
1932 53.8% 4,571 44.9% 3,812 1.3% 112
1928 76.3% 6,197 23.1% 1,876 0.6% 45
1924 60.9% 4,559 8.1% 603 31.0% 2,320
1920 86.7% 5,194 10.1% 606 3.2% 194
1916 67.0% 4,496 29.5% 1,980 3.5% 234
1912 38.4% 1,577 26.7% 1,098 34.9% 1,436
1908 66.7% 2,875 26.2% 1,129 7.1% 306
1904 76.4% 3,128 16.9% 691 6.7% 273
1900 71.5% 3,425 26.4% 1,266 2.0% 97
1896 67.9% 3,314 30.3% 1,480 1.8% 86
1892 58.8% 2,456 34.6% 1,444 6.6% 277

As a part of Yankee-settled Northern Illinois, Carroll County became solidly Republican upon that party's formation in the 1850s. Of all the counties won by inaugural Republican Party presidential nominee John Charles Frémont in 1856, Carroll County was to maintain the longest unbroken string of supporting the GOP in subsequent elections. It would give a plurality to every subsequent Republican Presidential nominee up to George W. Bush in 2004, beating by three elections the second longest run of Indiana's Porter County which was to give a plurality to Bill Clinton in 1996.

In that 1996 election Bob Dole won Carroll County by only 1.51 percentage points – the smallest margin by a Republican to that point – and in 2008 Illinois native Barack Obama broke this last remaining GOP streak stretching back to Frémont by carrying the county by 4.80 percentage points. Obama was to repeat his win in 2012 by 1.49 percent, but a dramatic swing to Republican Donald Trump in 2016 saw him win by the largest margin since Ronald Reagan’s 1984 landslide by gaining 59.6% of the vote in Carroll County, scoring slightly higher than George H.W. Bush's victory in 1988 in which Bush won 59.4% of the vote in Carroll County.

The largest margin of victory ever in Carroll County was achieved by Warren G. Harding who won 86.7% of votes in the county during the 1920 United States presidential election.

See also

References
  1. "State & County QuickFacts". United States Census Bureau. Archived from the original on June 6, 2011. Retrieved July 4, 2014.
  2. "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.
  3. Gannett, Henry (1905). The Origin of Certain Place Names in the United States. Govt. Print. Off. pp. 70.
  4. "Population, Housing Units, Area, and Density: 2010 - County". United States Census Bureau. Archived from the original on February 12, 2020. Retrieved July 11, 2015.
  5. "Monthly Averages for Mount Carroll, Illinois". The Weather Channel. Archived from the original on October 23, 2012. Retrieved January 27, 2011.
  6. "Population and Housing Unit Estimates". Archived from the original on May 29, 2017. Retrieved November 7, 2019.
  7. "U.S. Decennial Census". United States Census Bureau. Retrieved July 4, 2014.
  8. "Historical Census Browser". University of Virginia Library. Archived from the original on August 11, 2012. Retrieved July 4, 2014.
  9. "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Archived from the original on April 24, 2014. Retrieved July 4, 2014.
  10. "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Archived (PDF) from the original on December 18, 2014. Retrieved July 4, 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 11, 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 11, 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 11, 2015.
  14. 'Illinois Blue Book 1933-1934,' Biographical Sketch of John Acker, pg. 219
  15. "Kansas Governor Willis Joshua Bailey". National Governors Association. Archived from the original on January 17, 2012. Retrieved September 29, 2012.
  16. 'Wisconsin Blue Book 1923,' Biographical Sketch of David J. Summerville, pg. 636
  17. Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections". uselectionatlas.org. Archived from the original on March 23, 2018.

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