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McDonough County, Illinois
McDonough County Courthouse.jpg
McDonough County Courthouse, 2006
Map of Illinois highlighting McDonough County
Location in the state of Illinois
Map of the U.S. highlighting Illinois
Illinois's location in the U.S.
Founded 1826
Named for Thomas Macdonough
Seat Macomb
Largest city Macomb
Area
 - Total
 - Land
 - Water

590 sq mi (1,528 km²)
589 sq mi (1,526 km²)
0.8 sq mi (2 km²), 0.1
Population
 - (2020)
 - Density

27,238
Congressional district 18th
Time zone Central: UTC-6/-5
Website http://mcg.mcdonough.il.us/

McDonough County is a county in the U.S. state of Illinois. According to the 2020 census, it had a population of 27,238.[1] Its county seat is Macomb.[2]

The Macomb, IL Micropolitan Statistical Area includes all of McDonough County.

History[]

McDonough County is named in honor of Thomas Macdonough who defeated a British squadron in the decisive naval Battle of Lake Champlain in the War of 1812.[3] McDonough County was part of the "Military Tract" set aside by Congress for veterans of the War of 1812.

Geography[]

According to the U.S. Census Bureau, the county has a total area of 590 square miles (1,500 km2), of which 589 square miles (1,530 km2) is land and 0.8 square miles (2.1 km2) (0.1%) is water.[4]

The county has the unusual distinction of forming a perfect square by Mercator map projection. The county seat, Macomb, is in the center of the county, and the courthouse is almost precisely in the center of the county.

Major highways[]

  • US 67.svg U.S. Highway 67
  • US 136.svg U.S. Highway 136
  • Illinois 9.svg Illinois Route 9
  • Illinois 41.svg Illinois Route 41
  • Illinois 61.svg Illinois Route 61
  • Illinois 95.svg Illinois Route 95
  • Illinois 110.svg Illinois Route 110

Adjacent counties[]

Demographics[]

Historical populations
Census Pop.
1840 5,308
1850 7,616 43.5%
1860 20,069 163.5%
1870 26,509 32.1%
1880 27,970 5.5%
1890 27,467 −1.8%
1900 28,412 3.4%
1910 26,887 −5.4%
1920 27,074 0.7%
1930 27,329 0.9%
1940 26,944 −1.4%
1950 28,199 4.7%
1960 28,928 2.6%
1970 36,653 26.7%
1980 37,467 2.2%
1990 35,244 −5.9%
2000 32,913 −6.6%
2010 32,612 −0.9%
U.S. Decennial Census[5]
1790-1960[6] 1900-1990[7]
1990-2000[8] 2010-2020[1]

As of the 2010 United States Census, there were 32,612 people, 13,057 households, and 6,724 families residing in the county.[9] The population density was 55.3 inhabitants per square mile (21.4 /km2). There were 14,419 housing units at an average density of 24.5 per square mile (9.5 /km2).[4] The racial makeup of the county was 90.4% white, 5.0% black or African American, 1.8% Asian, 0.2% American Indian, 0.7% from other races, and 1.8% from two or more races. Those of Hispanic or Latino origin made up 2.7% of the population.[9] In terms of ancestry, 25.0% were German, 14.7% were American, 13.7% were Irish, 12.7% were English, and 5.1% were Italian.[10]

Of the 13,057 households, 22.0% had children under the age of 18 living with them, 40.0% were married couples living together, 8.0% had a female householder with no husband present, 48.5% were non-families, and 33.9% of all households were made up of individuals. The average household size was 2.19 and the average family size was 2.80. The median age was 28.9 years.[9]

The median income for a household in the county was $33,702 and the median income for a family was $52,390. Males had a median income of $42,297 versus $28,530 for females. The per capita income for the county was $18,344. About 12.8% of families and 23.7% of the population were below the poverty line, including 21.7% of those under age 18 and 9.4% of those age 65 or over.[11]

Politics[]

United States presidential election results for McDonough County, Illinois[12]
Year Republican Democratic Third party
No.  % No.  % No.  %
2020 7,027 57.00% 4,992 40.50% 308 2.50%
2016 6,795 51.70% 5,288 40.23% 1,061 8.07%
2012 6,147 49.36% 5,967 47.91% 340 2.73%
2008 6,055 46.32% 6,783 51.89% 234 1.79%
2004 7,656 51.28% 7,119 47.69% 154 1.03%
2000 6,465 49.68% 6,080 46.73% 467 3.59%
1996 5,049 41.95% 5,632 46.80% 1,354 11.25%
1992 5,297 38.05% 5,814 41.76% 2,811 20.19%
1988 7,173 57.42% 5,247 42.00% 73 0.58%
1984 9,383 67.02% 4,561 32.58% 57 0.41%
1980 8,995 61.66% 4,093 28.06% 1,501 10.29%
1976 9,683 62.33% 5,464 35.17% 387 2.49%
1972 10,573 67.18% 5,143 32.68% 22 0.14%
1968 8,496 65.74% 3,785 29.29% 643 4.98%
1964 6,907 52.92% 6,144 47.08% 0 0.00%
1960 9,363 67.39% 4,520 32.53% 10 0.07%
1956 9,725 71.48% 3,872 28.46% 8 0.06%
1952 10,126 72.06% 3,922 27.91% 5 0.04%
1948 8,058 65.13% 4,206 33.99% 109 0.88%
1944 9,028 66.30% 4,497 33.03% 91 0.67%
1940 10,326 63.67% 5,783 35.66% 108 0.67%
1936 8,723 54.48% 7,138 44.58% 151 0.94%
1932 6,329 44.87% 7,608 53.94% 168 1.19%
1928 8,953 68.15% 4,104 31.24% 81 0.62%
1924 7,505 60.99% 4,016 32.63% 785 6.38%
1920 7,221 63.18% 3,930 34.38% 279 2.44%
1916 7,192 53.08% 5,740 42.36% 617 4.55%
1912 1,876 26.90% 2,959 42.44% 2,138 30.66%
1908 3,733 51.05% 3,112 42.56% 467 6.39%
1904 4,041 55.36% 2,730 37.40% 528 7.23%
1900 4,076 52.71% 3,444 44.54% 213 2.75%
1896 4,036 51.16% 3,684 46.70% 169 2.14%
1892 3,319 46.73% 3,237 45.57% 547 7.70%



McDonough County is located in Illinois’ 18th Congressional District and is currently represented by Republican Darin LaHood. For the Illinois House of Representatives, the county is located in the 93rd district and is currently represented by Republican Norine Hammond. The county is located in the 47th district of the Illinois Senate, and is currently represented by Republican Jil Tracy.

In presidential elections, McDonough County was once reliably Republican, voting for the Republican candidate in all but two elections (1912 & 1932) from 1892 to 1988. Since 1988, the county has become more competitive, with Democrats carrying the county three out of seven times and holding the Republican candidate's margin of victory to under four points three times. In 2020, however, McDonough County went for Trump by a margin of 16.5%.

Climate and weather[]

Climate chart for Macomb, Illinois
JFMAMJJASOND
 
 
1.47
 
32
13
 
 
1.68
 
38
18
 
 
2.86
 
50
29
 
 
3.82
 
62
39
 
 
4.58
 
73
50
 
 
4.38
 
83
60
 
 
4.54
 
87
64
 
 
3.54
 
85
62
 
 
3.99
 
77
54
 
 
2.85
 
66
42
 
 
3.15
 
50
31
 
 
2.28
 
36
19
temperatures in °Cprecipitation totals in mm
source: The Weather Channel[13]

In recent years, average temperatures in the county seat of Macomb have ranged from a low of 13 °F (−11 °C) in January to a high of 87 °F (31 °C) in July, although a record low of −30 °F (−34.4 °C) was recorded in February 1905 and a record high of 113 °F (45 °C) was recorded in August 1934. Average monthly precipitation ranged from 1.47 inches (37 mm) in January to 4.58 inches (116 mm) in May.[13]

Communities[]

Cities[]

Villages[]

  • Bardolph
  • Blandinsville
  • Good Hope
  • Industry
  • Prairie City
  • Sciota
  • Tennessee

Census-designated places[]

  • Adair
  • Georgetown

Other unincorporated place[]

  • Colmar
  • Doddsville
  • Fandon
  • Scottsburg
  • Walnut Grove

Townships[]

  • Bethel Township
  • Blandinsville Township
  • Bushnell Township
  • Chalmers Township
  • Colchester Township
  • Eldorado Township
  • Emmet Township
  • Hire Township
  • Industry Township
  • Lamoine Township
  • Macomb Township
  • Macomb City Township
  • Mound Township
  • New Salem Township
  • Prairie City Township
  • Sciota Township
  • Scotland Township
  • Tennessee Township
  • Walnut Grove Township

See also[]

  • National Register of Historic Places listings in McDonough County, Illinois

References[]

  1. ^ a b "State & County QuickFacts". United States Census Bureau. http://quickfacts.census.gov/qfd/states/17/17109.html. 
  2. ^ "Find a County". National Association of Counties. http://www.naco.org/Counties/Pages/FindACounty.aspx. 
  3. ^ Gannett, Henry (1905). The Origin of Certain Place Names in the United States. U.S. Government Printing Office. p. 193. https://archive.org/details/bub_gb_9V1IAAAAMAAJ. 
  4. ^ a b "Population, Housing Units, Area, and Density: 2010 - County". United States Census Bureau. http://factfinder.census.gov/bkmk/table/1.0/en/DEC/10_SF1/GCTPH1.CY10/0500000US17109. 
  5. ^ "U.S. Decennial Census". United States Census Bureau. https://www.census.gov/programs-surveys/decennial-census.html. 
  6. ^ "Historical Census Browser". University of Virginia Library. http://mapserver.lib.virginia.edu. 
  7. ^ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. https://www.census.gov/population/cencounts/il190090.txt. 
  8. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000". United States Census Bureau. https://www.census.gov/population/www/cen2000/briefs/phc-t4/tables/tab02.pdf. 
  9. ^ a b c "DP-1 Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data". United States Census Bureau. http://factfinder.census.gov/bkmk/table/1.0/en/DEC/10_DP/DPDP1/0500000US17109. 
  10. ^ "DP02 SELECTED SOCIAL CHARACTERISTICS IN THE UNITED STATES – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. http://factfinder.census.gov/bkmk/table/1.0/en/ACS/10_5YR/DP02/0500000US17109. 
  11. ^ "DP03 SELECTED ECONOMIC CHARACTERISTICS – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. http://factfinder.census.gov/bkmk/table/1.0/en/ACS/10_5YR/DP03/0500000US17109. 
  12. ^ Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections". http://uselectionatlas.org/RESULTS. 
  13. ^ a b "Monthly Averages for Macomb, Illinois". The Weather Channel. http://www.weather.com/weather/wxclimatology/monthly/graph/USIL0706. 

External links[]

Coordinates: 40°28′N 90°41′W / 40.46, -90.68


This page uses content from the English language Wikipedia. The original content was at McDonough County, Illinois. The list of authors can be seen in the page history. As with this Familypedia wiki, the content of Wikipedia is available under the Creative Commons License.
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