The 8th congressional district of Illinois is a congressional district in the U.S. state of Illinois that has been represented by Democrat Raja Krishnamoorthi since 2017.
History
2011 redistricting
The congressional district covers parts of Cook County, DuPage County and Kane County, as of the 2011 redistricting which followed the 2010 United States census. All or parts of Addison, Arlington Heights, Barrington Hills, Bloomingdale, Carol Stream, Carpentersville, East Dundee, Elgin, Elk Grove Village, Glendale Heights, Hanover Park, Hoffman Estates, Lombard, Palatine, Rolling Meadows, Roselle, Schaumburg, South Elgin, Streamwood, Villa Park and Wood Dale are included.[3] These boundaries became effective on January 3, 2013.
Composition
For the 118th and successive Congresses (based on redistricting following the 2020 census), the district contains all or portions of the following counties, townships, and municipalities:[4]
Cook County (25)
- Arlington Heights (part, also 5th and 9th), Barrington Hills (part, also 5th; shared with Kane, Lake, and McHenry counties), Barrington Township (part, also 5th), Bartlett (part, also 3rd; shared with DuPage County), Chicago (part, also 1st, 2nd, 3rd, 4th, 5th, 6th, 7th, and 9th; shared with DuPage County), Deer Park (part, also 5th; shared with Lake County), Des Plaines (part, also 3rd, 5th, and 9th), East Dundee (part, shared with Kane County), Elgin (part, also 3rd; shared with Kane County), Elk Grove Township (part, also 3rd and 5th; shared with DuPage County), Elk Grove Village (part, also 3rd; shared with DuPage County), Hanover Park (part, also 3rd; shared with DuPage County), Hanover Township (part, also 3rd), Hoffman Estates (part, also 5th), Inverness (part, also 5th), Mount Prospect (part, also 5th), Norridge (part, also 5th), Palatine (part, also 5th), Palatine Township (part, also 5th), Rolling Meadows (part, also 5th), Roselle (part, shared with DuPage County), Rosemont (part, also 5th), Schaumburg (part, also 5th; shared with DuPage County), Streamwood (part, also 3rd), South Barrington (part, also 5th)
DuPage County (15)
- Addison (part, also 3rd), Addison Township (part, also 3rd), Bartlett (part, also 3rd; shared with Cook County), Bloomingdale, Bloomingdale Township (part, also 3rd), Carol Stream (part, also 3rd), Elk Grove Village (part, also 3rd; shared with DuPage County), Hanover Park (part, also 3rd; shared with Cook County), Itasca, Glendale Heights (part, also 3rd), Glen Ellyn (part, also 3rd and 6th), Milton Township (part, also 3rd and 6th), Roselle (part, shared with Cook County), Wayne Township (part, also 3rd), Wood Dale (part, also 3rd)
Kane County (21)
- Algonquin (part, also 9th; shared with McHenry County), Barrington Hills (part, also 5th; shared with Cook, Lake, and McHenry counties), Batavia (part, also 11th), Carpentersville, Dundee Township, East Dundee (part, shared with Cook County), Elgin (part, also 3rd; shared with Cook County), Elgin Township (part, also 11th), Geneva (part, also 11th), Geneva Township (part, also 11th), Gilberts, Hampshire (part, also 11th), Huntley (part, also 11th; shared with McHenry County), Pingree Grove, Rutland Township (part, also 11th), Sleepy Hollow, South Elgin, St. Charles (part, also 11th), St. Charles Township (part, also 11th), Wayne (part, also 3rd; shared with DuPage County), West Dundee
Chicago neighborhoods in the 8th district include:
- O’Hare (part)
Recent election results from statewide races
| Year | Office | Results[5] |
|---|---|---|
| 2008 | President | Obama 59% – 40% |
| 2012 | President | Obama 55% – 45% |
| 2016 | President | Clinton 55% – 39% |
| Senate | Duckworth 52% – 42% | |
| Comptroller (Spec.) | Munger 48% – 45% | |
| 2018 | Governor | Pritzker 51% – 43% |
| Attorney General | Raoul 53% – 44% | |
| Secretary of State | White 66% – 31% | |
| Comptroller | Mendoza 58% – 39% | |
| Treasurer | Frerichs 54% – 42% | |
| 2020 | President | Biden 57% – 41% |
| Senate | Durbin 55% – 40% | |
| 2022 | Senate | Duckworth 56% – 42% |
| Governor | Pritzker 55% – 42% | |
| Attorney General | Raoul 55% – 43% | |
| Secretary of State | Giannoulias 55% – 43% | |
| Comptroller | Mendoza 56% – 42% | |
| Treasurer | Frerichs 53% – 44% | |
| 2024 | President | Harris 52% – 45% |
List of members representing the district
Elections
2012 election
Incumbent Representative Joe Walsh was drawn out of the district for 2012 by 2011 redistricting, although a candidate is not required to live in the district to be eligible to run for a seat in Congress.[7] Democrat Raja Krishnamoorthi of Hoffman Estates announced his candidacy for the seat in late May 2011. In July 2011, Democrat Tammy Duckworth also announced plans to run for the seat.[8] Duckworth won the Democratic nomination on March 20, 2012. Duckworth defeated Walsh in the general election on November 6, 2012.
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Tammy Duckworth | 123,206 | 54.7 | |
| Republican | Joe Walsh (incumbent) | 101,860 | 45.3 | |
| Total votes | 225,066 | 100.0 | ||
| Democratic gain from Republican | ||||
2014
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Tammy Duckworth (incumbent) | 84,178 | 55.7 | |
| Republican | Larry Kaifesh | 66,878 | 44.3 | |
| Total votes | 151,056 | 100.0 | ||
| Democratic hold | ||||
2016
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Raja Krishnamoorthi | 144,954 | 58.3 | |
| Republican | Pete DiCianni | 103,617 | 41.7 | |
| Total votes | 248,571 | 100.0 | ||
| Democratic hold | ||||
2018
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Raja Krishnamoorthi (incumbent) | 130,054 | 66.0 | |
| Republican | Jitendra “JD” Diganvker | 67,073 | 34.0 | |
| Total votes | 197,127 | 100.0 | ||
| Democratic hold | ||||
2020
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Democratic | Raja Krishnamoorthi (incumbent) | 186,251 | 73.16 | +7.19% | |
| Libertarian | Preston Gabriel Nelson | 68,327 | 26.84 | N/A | |
| Total votes | 254,578 | 100.0 | |||
| Democratic hold | |||||
2022
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Raja Krishnamoorthi (incumbent) | 117,880 | 56.89 | |
| Republican | Chris Dargis | 89,335 | 43.11 | |
| Total votes | 207,215 | 100.0 | ||
| Democratic hold | ||||
2024
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Democratic | Raja Krishnamoorthi (incumbent) | 172,920 | 57.06 | +0.17% | |
| Republican | Mark Rice | 130,153 | 42.94 | −0.17% | |
| Total votes | 303,073 | 100.0 | |||
| Democratic hold | |||||
See also
References
- ^ Center for New Media & Promotion (CNMP), US Census Bureau. “My Congressional District”. www.census.gov.
- ^ “2025 Cook PVI℠: District Map and List (119th Congress)”. Cook Political Report. April 3, 2025. Retrieved April 5, 2025.
- ^ Illinois Congressional District 8 Archived August 17, 2012, at the Wayback Machine, Illinois Board of Elections
- ^ https://www2.census.gov/geo/maps/cong_dist/cd119/cd_based/ST17/CD119_IL08.pdf
- ^ “Dra 2020”.
- ^ Journal of the House of Representatives of the General Assembly of the State of Illinois, 1855. Springfield, IL: Lanphier & Walker, Printers. 1855.
- ^ US Constitution, Article One, Section Two, Clause Two: Qualifications of Members of the House of Representatives Article One of the United States Constitution#Clause 2: Qualifications of Members
- ^ “Tammy Duckworth running for Congress again, in redrawn 8th”. Chicago Sun Times. July 6, 2011. Archived from the original on November 18, 2012. Retrieved July 9, 2011.
- ^ “2012 General Election Official Vote Totals” (PDF). Illinois State Board of Elections. Archived from the original (PDF) on November 19, 2013. Retrieved March 26, 2012.
- ^ “Illinois General Election 2014”. Illinois State Board of Elections. November 4, 2014. Retrieved December 18, 2014.
- ^ “Illinois General Election 2016”. Illinois State Board of Elections. November 8, 2016. Archived from the original on March 27, 2019. Retrieved December 13, 2016.
- ^ “2018 General Election Official Vote Totals Book”.
- ^ “Illinois 2020 Election Results”. Chicago Sun-Times. November 20, 2020. Retrieved November 20, 2020.
Sources
- Martis, Kenneth C. (1989). The Historical Atlas of Political Parties in the United States Congress. New York: Macmillan Publishing Company.
- Martis, Kenneth C. (1982). The Historical Atlas of United States Congressional Districts. New York: Macmillan Publishing Company.
- Congressional Biographical Directory of the United States 1774–present
