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San Marcos city, TX


Caldwell County, TX
Guadalupe County, TX
Hays County, TX

Tracts in this county

   

2022 population: 67,143   ( 22,249 from 2010 )
Land area: 106.8 square miles
Population density: 628.8 persons per square mile

2022 Census data
White:30,138 44.89% 25.1%
Black:3,8215.69% 70.3%
Indian:1370.20% 2.8%
Asian:1,5132.25% 118.0%
2+ races:2,4373.63% 256.8%
Hispanic:28,12441.89% 65.8%
Total non-White:37,00555.11% 77.9%

2010-2022 ComponentsNumberRate
Change in White population:6,040 16.3
Change in Non-White pop.:16,209 43.8



Historical Presidential Election Results for San Marcos city, TX

Recent Trends
VotesΔ MarginSwing %
2020 vs. 2016 R +2,895 D +5,704 D + 11.3%
D +8,599
How to interpret this table


Click on the Year to view municipality-level data for this county.
(Some years may be unavailable)

YearTurnout WinnerRunner-Up OtherTotal Votes Diff
(St) 		Diff
(US) 		PSV
2020 49% Joe Biden (D) 16,658 67.0% Donald Trump* (R) 7,659 30.8% 554 2.2% 24,871 -21 -16 0.22%
2016 31% Hillary Clinton (D) 8,059 56.3% Donald Trump (R) 4,764 33.3% 1,485 10.4% 14,308 -19 -13 0.16%
* incumbent         PSV: percent of state vote



2020 President, San Marcos city
CandidateVotesPct
Joe Biden (D) 16,658 67.0%
Donald Trump* (R) 7,659 30.8%
Jo Jorgensen (Lbt) 392 1.6%
Other 162 0.7%
TOTAL 24,871
Turnout: 49% Diff (St): -21 Diff (US): -16


2016 President, San Marcos city
CandidateVotesPct
Hillary Clinton (D) 8,059 56.3%
Donald Trump (R) 4,764 33.3%
Gary Johnson (Lbt) 788 5.5%
Jill Stein (Grn) 335 2.3%
Other 362 2.5%
TOTAL 14,308
Turnout: 31% Diff (St): -19 Diff (US): -13
* incumbent

Historical Statewide Election Results for San Marcos city, TX

Click on the Year to view county-level data for that election.
(Some years may be unavailable)

YearTypeTurnout WinnerRunner-Up OtherTotal VotesDiff PSV
2020 S2 48% Mary Hegar (D) 15,479 63.0% John Cornyn* (R) 7,976 32.4% 1,128 [+] 4.6% 24,583 -21 0.22%
2018 S1 34% Beto O'Rourke (D) 11,649 71.5% Ted Cruz* (R) 4,471 27.5% 164 [+] 1.0% 16,284 -23 0.19%
2018 G 33% Lupe Valdez (D) 10,381 64.2% Greg Abbott* (R) 5,333 33.0% 444 [+] 2.7% 16,158 -23 0.19%
*: incumbent               +: ran on additional party lines               Type: G: Governor; S1,S2,S3: Senate Class 1, 2 or 3
italics: special election           RO: runoff election           PSV: percent of state vote