McDonough County, Illinois

Coordinates: 40°28′N 90°41′W / 40.46°N 90.68°W / 40.46; -90.68
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McDonough County
County
McDonough County Courthouse, 2006
McDonough County Courthouse, 2006
Flag of McDonough County
Flag
Map of Illinois highlighting McDonough County
Location within the U.S. state of Illinois
Map of the United States highlighting Illinois
Illinois's location within the U.S.
Coordinates: 40°28′N 90°41′W / 40.46°N 90.68°W / 40.46; -90.68
Country United States
State Illinois
FoundedJanuary 25, 1826
Named forThomas Macdonough
SeatMacomb
Largest cityMacomb
Area
 • Total590 sq mi (1,500 km2)
 • Land589 sq mi (1,530 km2)
 • Water0.8 sq mi (2 km2)  0.1%
Population
 (2020)
 • Total27,238
 • Density46/sq mi (18/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional districts15th, 17th
Websitemcg.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] which is also the home of Western Illinois University.

McDonough County is part of the Macomb, IL Micropolitan Statistical Area.

History[edit]

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.

  • McDonough County at the time of its creation in 1826
    McDonough County at the time of its creation in 1826

Geography[edit]

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.

Climate and weather[edit]

Macomb, Illinois
Climate chart (explanation)
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█ Average max. and min. temperatures in °F
█ Precipitation totals in inches
Source: The Weather Channel[5]
Metric conversion
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█ Average max. and min. temperatures in °C
█ Precipitation totals in mm

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 °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.[5]

Public transit[edit]

Major highways[edit]

Adjacent counties[edit]

Demographics[edit]

Historical population
CensusPop.Note%±
18405,308—
18507,61643.5%
186020,069163.5%
187026,50932.1%
188027,9705.5%
189027,467−1.8%
190028,4123.4%
191026,887−5.4%
192027,0740.7%
193027,3290.9%
194026,944−1.4%
195028,1994.7%
196028,9282.6%
197036,65326.7%
198037,4672.2%
199035,244−5.9%
200032,913−6.6%
201032,612−0.9%
202027,238−16.5%
2023 (est.)26,839[6]−1.5%
U.S. Decennial Census[7]
1790-1960[8] 1900-1990[9]
1990-2000[10] 2010[11]

As of the 2010 United States Census, there were 32,612 people, 13,057 households, and 6,724 families residing in the county.[12] 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.[12] 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.[13]

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.[12]

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.[14]

Communities[edit]

Cities[edit]

Villages[edit]

Census-designated places[edit]

Other unincorporated place[edit]

Townships[edit]

Education[edit]

McDonough County is served by three school districts and two colleges:

Politics[edit]

United States presidential election results for McDonough County, Illinois[15]
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 split between Illinois’ 15th Congressional District and Illinois' 17th Congressional District, with the majority of the county in the 15th. The Cities of Macomb and Bardolph are included in the 17th district, and the cities of Bushnell, Colchester, Prairie City, Good Hope, Sciota, Industry and Adair are in the 15th district. The 15th District is currently represented by Republican Mary Miller. The 17th District is currently represented by Democrat Eric Sorenson. For the Illinois House of Representatives, the county is yet again split between the 71st district and the 94th district. The Cities of Macomb, Bushnell, Bardolph, and Prairie City are represented by Republican Daniel Swanson of the 71st district. The cities of Colchester, Industry, Good Hope, Sciota, and Adair are currently represented by Republican Norine Hammond of the 94th district. The county is split along the same lines in the Illinois House as it is in the Illinois Senate, thus the 71st district of the house's lines are the same as the 36th district of the Illinois Senate. The 36th district of the Illinois Senate is represented by Democrat Michael Halpin. The 47th district of the Illinois Senate is represented by Republican Neil Anderson.

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%.

See also[edit]

References[edit]

  1. ^ "McDonough County, Illinois". United States Census Bureau. Retrieved June 10, 2023.
  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. U.S. Government Printing Office. p. 193.
  4. ^ a b "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. ^ a b "Monthly Averages for Macomb, Illinois". The Weather Channel. Retrieved January 27, 2011.
  6. ^ "Annual Estimates of the Resident Population for Counties: April 1, 2020 to July 1, 2023". United States Census Bureau. Retrieved April 2, 2024.
  7. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved July 7, 2014.
  8. ^ "Historical Census Browser". University of Virginia Library. Retrieved July 7, 2014.
  9. ^ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved July 7, 2014.
  10. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Retrieved July 7, 2014.
  11. ^ "State & County QuickFacts". United States Census Bureau. Archived from the original on June 6, 2011. Retrieved July 7, 2014.
  12. ^ a b c "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.
  13. ^ "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.
  14. ^ "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.
  15. ^ Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections". uselectionatlas.org. Retrieved April 22, 2018.

External links[edit]

40°28′N 90°41′W / 40.46°N 90.68°W / 40.46; -90.68

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