Texas's 31st congressional district
Interactive map of district boundaries since January 3, 2023
Representative	John Carter R–Round Rock
Distribution	86.1% urban[1] 13.9% rural
Population (2024)	901,458[2]
Median household income	$96,045[3]
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+11[4]

Texas's 31st congressional district of theUnited States House of Representatives covers a strip ofCentral Texas from the northernAustin suburbs up toTemple andGatesville.

The district is centered aroundBell andWilliamson 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 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 the36th district) that has never been represented by a member of theDemocratic Party.

For the118th and successive Congresses (based on redistricting following the2020 census), the district contains all or portions of the following counties and communities:^[7]

BellCounty(14)

Bartlett (shared with Williamson County),Belton,Fort Hood (part; also11th; shared with Coryell County),Harker Heights (part; also11th),Holland,Killeen (part; also11th),Little River-Academy,Morgan's Point Resort,Nolanville,Pendleton,Rogers,Salado,Temple,Troy

BosqueCounty(10)

All 10 communities

BurnetCounty(9)

All 9 communities

CoryellCounty(9)

All 9 communities

HamiltonCounty(5)

All 5 communities

WilliamsonCounty(17)

Bartlett (shared with Bell County),Brushy Creek (part; also10th and37th),Cedar Park (part; also21st; shared withTravis County),Florence,Georgetown,Granger,Hutto (part; also17th),Jarrell,Leander (part; also21st; shared withTravis County),Liberty Hill,Round Rock (part; also17th),Santa Rita Ranch,Serenada,Sonterra,Taylor,Thrall (part; also17th),Weir

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, andWilliamson
					2005–2013 Bell,Coryell,Erath,Falls,Hamilton,Milam,Robertson (part), andWilliamson (part)
					2013–2023 Bell (part) andWilliamson[8]
					2023–present Bell (part),Bosque,Burnet,Coryell,Hamilton, andWilliamson (part)[9]

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
	Republicanhold		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
	Republicanhold		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
	Republicanhold		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
	Republicanhold		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
	Republicanhold		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
	Republicanhold		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
	Republicanhold		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
	Republicanhold		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
	Republicanhold		Swing	28.1

• List of United States congressional districts

• Congressional Biographical Directory of the United States 1774–presentArchived April 23, 2010, at theWayback Machine

30°49′44″N97°32′08″W / 30.82889°N 97.53556°W /30.82889; -97.53556

ThisUnited States Congress–related article is astub. You can help Wikipedia byexpanding it.

• v
• t
• e

• Congressional districts of Texas
• Constituencies established in 2003
• 2003 establishments in Texas
• United States Congress stubs

• CS1 errors: generic name
• CS1 maint: multiple names: authors list
• Pages using gadget WikiMiniAtlas
• Articles with short description
• Short description matches Wikidata
• Use mdy dates from May 2021
• Webarchive template wayback links
• Coordinates on Wikidata
• Long stubs with short prose
• All stub articles
• Pages using the Kartographer extension