akashic
1876–2024
Austin-Round Rock-San Marcos, TX·Texas

Austin-Round Rock-San Marcos, TX moved 6 points toward the Republican candidate between 2020 and 2024.

Travis County anchors a metro that has shifted measurably leftward since 2000

1876 — 2024·38 elections
TX
LatestD+20in 2024
TypologyNew Americancluster typology
Population2,426,5922024 ACS

Austin-Round Rock-San Marcos, TX, Texas: New American metro. In 2024, voted D+20%. Democratic peak: D+82 in 1936.

Key facts

2024 presidential margin
D+20MIT Election Lab
Political typology
New AmericanAkashic typology
Population
2,426,5922024 5-year
Median household income
$100,5122024 5-year
White (non-Hispanic)
56.6%2024 5-year
Black
7.2%2024 5-year
Hispanic / Latino
32.2%2024 5-year
Peak Democratic margin
D+82 in 1932MIT Election Lab
Peak Republican margin
R+19 in 1984MIT Election Lab
2024 presidential election
Austin-Round Rock-San Marcos, TX
HarrisD+20
—
2024 presidential margin by county for Austin-Round Rock-San Marcos, TX, TXA map of the constituent counties of Austin-Round Rock-San Marcos, TX, TX, each outlined and filled by its 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic).Caldwell County, TX · R+14Bastrop County, TX · R+18Travis County, TX · D+39Hays County, TX · D+6Williamson County, TX · R+2
How it voted
Share of the 2024 vote
Kamala Harris ✓Democratic59.1%634,882
Donald TrumpRepublican38.8%416,716
OtherAll other candidates2.2%23,373
D+60
R+60
5 counties, each filled by 2024 D-vs-R margin. Hover any county for its result.
presidential history
Presidential margin, 1876–2024
Democratic minus Republican, by election
Presidential margin over timeDemocratic-minus-Republican presidential margin from 1876 to 2024. Most recent: +20.3% in 2024.flipped D · 2008+20.3%DR18762024
Presidential margin over time
YearMargin (D minus R)
1876No data
1880No data
1884No data
1888No data
1892No data
1896No data
1900No data
1904No data
1908No data
1912+65.9%
1916+61.9%
1920+45.1%
1924+63.3%
1928+8.1%
1932+81.6%
1936+82.4%
1940+65.9%
1944+59.9%
1948+54.6%
1952+3.3%
1956−0.4%
1960+17.3%
1964+42.9%
1968+11.2%
1972−15.0%
1976+7.4%
1980−0.9%
1984−18.8%
1988+5.1%
1992+10.0%
1996+4.9%
2000−14.7%
2004−0.5%
2008+14.2%
2012+7.1%
2016+19.5%
2020+26.8%
2024+20.3%
DemocraticRepublican
38 presidential elections
Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonMarginDemocraticRepublicanTotal
D
+20.3%
634,882416,7161,074,971
D
+26.8%
661,325377,2931,061,647
D
+19.5%
441,316288,229786,386
D
+7.1%
334,855288,873645,421
D
+14.2%
367,229274,866652,735
R
−0.5%
275,308277,916563,162
R
−14.7%
174,349241,972459,248
D
+4.9%
175,459157,717362,069
D
+10.0%
170,871132,050387,574
D
+5.1%
171,212154,497328,932
R
−18.8%
118,843173,939293,737
R
−0.9%
99,320101,350214,975
D
+7.4%
103,38088,844195,223
R
−15.0%
65,91189,233155,885
D
+11.2%
54,31742,082109,073
D
+42.9%
62,76025,05987,902
D
+17.3%
40,94328,83269,965
R
−0.4%
31,41831,64963,212
D
+3.3%
32,27030,22362,557
D
+54.6%
32,7858,70944,073
D
+59.9%
26,8785,14736,266
D
+65.9%
31,6066,45638,157
D
+82.4%
24,4652,26026,960
D
+81.6%
26,7172,64129,509
D
+8.1%
11,5419,80721,374
D
+63.3%
20,4184,13025,743
D
+45.1%
10,6213,01816,845
D
+61.9%
9,9292,24412,412
D
+65.9%
7,7831,04610,218
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Demographics

2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
12.4%
English
10.8%
Irish
8.3%
American
3.5%
Italian
3.1%
Scottish
2.4%
French
2.1%
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
2024 ACS
Age distribution by sex
Median age: 36.0 in this county, 39.1 nationally
Male
Age
Female
0.4%
85+
0.7%
1.5%
75–84
1.8%
3.6%
65–74
4.0%
5.2%
55–64
5.2%
6.7%
45–54
6.3%
8.5%
35–44
7.9%
8.8%
25–34
8.3%
4.7%
18–24
4.7%
8.2%
5–17
7.8%
3.0%
<5
2.8%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Median household income
Inflation-adjusted dollars
$100,512
Austin-Round Rock-San Marcos, TX ranks near the middle of US counties.
Austin-Round Rock-San Marcos, TX$100,512
Texas$78,476
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Poverty rate
All persons below federal poverty line
9.8%
Child poverty is below the national average.
Children under 1811.3%
Working age (18–64)9.5%
Seniors (65+)9.2%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
71.6%
speak English only
Spanish19.7%
Asian & Pacific Islander3.9%
Other Indo-European3.6%
Other languages1.1%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Catholic & Orthodox
18.9%
Other Christian
9.2%
Baptist
6.3%
Mainline Protestant
2.8%
Non-Christian
2.3%
Methodist
2.2%
Pentecostal & Holiness
0.8%
Source · 2020 US Religion Census. Remaining 57.5% of residents not counted as adherents by any reporting body.

Rapid in-migration from coastal tech hubs has reshaped the electorate faster than almost any other Sun Belt metro, compressing Republican margins in surrounding Williamson and Hays counties even as the urban core remains heavily Democratic.

Across the recorded series it reached a Democratic high of eighty-two points in 1936 and a Republican high of nineteen points in 1984. Between 2020 and 2024 the metro moved six points toward the Republican candidate; the 2024 margin was twenty points.

A population of 2,426,592, a 57% non-Hispanic-white share, and a median household income of $100,512 describe the metro.

Compare two places, side by side

Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →

Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Austin-Round Rock-San Marcos, TX, Texas. Akashic. https://akashic.app/cbsa/12420/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did Austin-Round Rock-San Marcos, TX, Texas vote in 2024?
In 2024, Austin-Round Rock-San Marcos, TX, Texas voted Democratic by 20.3 points (D+20), carried by the Democratic candidate. Out of 1,074,971 votes cast, 634,882 went Democratic and 416,716 went Republican.
What is Austin-Round Rock-San Marcos, TX, Texas's political typology?
Akashic places Austin-Round Rock-San Marcos, TX, Texas in the "New American" typology. The typology is a data-driven cluster built from vote share, vote swing, race and ethnicity, income, language spoken at home, religion, and ancestry. Across 38 elections in the dataset, the metro has voted Democratic 23 times, Republican 6 times, and other 0 times.
When did Austin-Round Rock-San Marcos, TX, Texas last vote Republican?
The most recent presidential election in which Austin-Round Rock-San Marcos, TX, Texas voted Republican was 2004.
How many people live in Austin-Round Rock-San Marcos, TX, Texas?
Austin-Round Rock-San Marcos, TX, Texas has a population of 2,426,592 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Austin-Round Rock-San Marcos, TX, Texas?
Median household income in Austin-Round Rock-San Marcos, TX, Texas is $100,512 — above the national median of $80,734. The Texas state median is $78,476.
What is the political history of Austin-Round Rock-San Marcos, TX, Texas?
Akashic tracks 38 presidential elections in Austin-Round Rock-San Marcos, TX, Texas from 1876 to 2024. Of those, 23 went Democratic and 6 went Republican. The metro's typology — "New American" — captures where that record, its demographics, and its recent swing place it among American communities.