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Texas's 31st congressional district
Texas's 31st congressional district
	Texas's 31st congressional district since January 3, 2023
Representative	John Carter; R–Round Rock
Distribution	86.1% urban; 13.9% rural;
Population (2023)	868,119
Median household; income	$97,138
Ethnicity	59.1% White; 23.1% Hispanic; 7.5% Black; 4.7% Two or more races; 4.6% Asian; 1.1% other;
Cook PVI	R+14

Texas's 31st congressional district of the United States House of Representatives covers a strip of Central Texas from the northern Austin suburbs up to Temple and Gatesville.

The district is centered around Bell and Williamson counties, two fast-growing suburban counties north of Austin; it includes the Williamson County portion of Austin itself. It also includes much of the area surrounding Fort Cavazos (formerly Fort Hood), giving the district a strong military presence, as well as four rural counties to the north and west of the district.

John Carter has served as the representative from this district since its creation. The 31st district is one of only two districts in Texas (the other being the 36th district) that has never been represented by a member of the Democratic Party.

Recent election results from statewide races

Year	Office	Results^[5]
2008	President	McCain 64% - 36%
2012	President	Romney 69% - 31%
2014	Senate	Cornyn 74% - 26%
2014	Governor	Abbott 71% - 29%
2016	President	Trump 62% - 32%
2018	Senate	Cruz 60% - 39%
	Governor	Abbott 65% - 33%
	Lt. Governor	Patrick 60% - 37%
	Attorney General	Paxton 59% - 38%
2020	President	Trump 59% - 39%
2020	Senate	Cornyn 61% - 37%
2022	Governor	Abbott 61% - 37%
	Lt. Governor	Patrick 60% - 37%
	Attorney General	Paxton 59% - 37%
	Comptroller of Public Accounts	Hegar 63% - 35%

List of representatives

Representative	Party	Years	Cong ress	Electoral history	District boundaries
District established January 3, 2003
John Carter (Round Rock)	Republican	January 3, 2003 – present	108th 109th 110th 111th 112th 113th 114th 115th 116th 117th 118th 119th	Elected in 2002. Re-elected in 2004. Re-elected in 2006. Re-elected in 2008. Re-elected in 2010. Re-elected in 2012. Re-elected in 2014. Re-elected in 2016. Re-elected in 2018. Re-elected in 2020. Re-elected in 2022. Re-elected in 2024.	2003–2005 Austin, Bastrop, Brazos, Burleson, Harris, Lee, Waller, Washington, and Williamson
					2005–2013 Bell, Coryell, Erath, Falls, Hamilton, Milam, Robertson (part), and Williamson (part)
					2013–2023 Bell (part) and Williamson^[6]
					2023–present Bell (part), Bosque, Burnet, Coryell, Hamilton, and Williamson (part)^[7]

Recent election results

2004 election: Texas District 31
Party		Candidate	Votes	%	±%
	Republican	John Carter (incumbent)	160,247	64.8	4.3
	Democratic	Jon Porter	80,292	32.5	5.1
	Libertarian	Celeste Adams	6,888	2.8	1.5
Majority			79,955	32.3
Turnout			247,427
	Republican hold		Swing	-4.7

2006 election: Texas District 31
Party		Candidate	Votes	%	±%
	Republican	John Carter (incumbent)	94,242	58	6.8
	Democratic	Mary Beth Harrell	62,761	39	6.5
	Libertarian	Matt McAdoo	4,370	3	0.2
Majority			31,481	19	13.3
Turnout			161,373		34.8
	Republican hold		Swing	-6.7

2008 election: Texas District 31
Party		Candidate	Votes	%	±%
	Republican	John Carter (incumbent)	175,563	60.3	2.3
	Democratic	Brian P. Ruiz	106,559	36.6	3.6
	Libertarian	Barry N. Cooper	9,182	3.2	0.2
Majority			69,004	23.7	4.7
Turnout			291,304		80.5
	Republican hold		Swing

2010 election: Texas District 31
Party		Candidate	Votes	%	±%
	Republican	John Carter (incumbent)	126,384	82.6	20.3
	Libertarian	Bill Oliver	26,735	17.5	14.3
Majority			99,649	65.1	41.4
Turnout			153,119		47.4
	Republican hold		Swing

2012 election: Texas District 31
Party		Candidate	Votes	%	±%
	Republican	John Carter (incumbent)	145,348	61.3	22.3
	Democratic	Stephen M. Wyman	82,977	35.0	35.0
	Libertarian	Ethan Garofolo	8,862	3.7	13.8
Majority			82,587	34.8	30.3
Turnout			237,187		54.9
	Republican hold		Swing

2014 election: Texas District 31
Party		Candidate	Votes	%
	Republican	John Carter (incumbent)	91,484	64.1
	Democratic	Louie Minor	45,634	32.0
	Libertarian	Scott Ballard	5,693	4.0
Majority			45,850
Turnout			142,811	18
	Republican hold		Swing

2016 election: Texas District 31
Party		Candidate	Votes	%	±%
	Republican	John Carter (incumbent)	166,060	58.4	5.7
	Democratic	Mike Clark	103,852	36.5	4.5
	Libertarian	Scott Ballard	14,676	5.2	1.2
Majority			62,208
Turnout			284,588	35	17
	Republican hold		Swing

2018 election: Texas District 31
Party		Candidate	Votes	%	±%
	Republican	John Carter (incumbent)	144,680	50.6	7.8
	Democratic	MJ Hegar	136,362	47.7	11.2
	Libertarian	Jason Hope	4,965	1.7	3.5
Majority			8,318	2.9	18.9
Turnout			286,007
	Republican hold		Swing

2020 election: Texas District 31
Party		Candidate	Votes	%	±%
	Republican	John Carter (incumbent)	212,695	53.5	2.9
	Democratic	Donna Imam	176,293	44.3	3.4
	Libertarian	Clark Patterson	8,922	2.2	0.5
Majority			36,402	9.2	6.3
Turnout			397,910	100
	Republican hold		Swing	28.1