Current White Population demographics in San Marcos, Texas 2020, 2019 by gender and age. 
 
  View Population Demographics and Statistics for all races in San Marcos, Texas 
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 Total White population in San Marcos |   |  | Total Population: | 35,221 |  | Male Population: | 17,429 |  | Female Population: | 17,792 |  
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 Median age of White in San Marcos |   |  | Both sexes | 23 |  | Male | 23 |  | Female | 22 |  
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 Population of White in households in San Marcos |   |  | Total Population: | 30,346 |  | Male Population: | 15,247 |  | Under 5 years: | 693 |  | 5 to 9 years: | 588 |  | 10 to 14 years: | 560 |  | 15 to 17 years: | 319 |  | 18 and 19 years: | 491 |  | 20 years: | 879 |  | 21 years: | 1,300 |  | 22 to 24 years: | 3,204 |  | 25 to 29 years: | 2,085 |  | 30 to 34 years: | 902 |  | 35 to 39 years: | 650 |  | 40 to 44 years: | 584 |  | 45 to 49 years: | 542 |  | 50 to 54 years: | 549 |  | 55 to 59 years: | 505 |  | 60 and 61 years: | 157 |  | 62 to 64 years: | 276 |  | 65 and 66 years: | 123 |  | 67 to 69 years: | 175 |  | 70 to 74 years: | 216 |  | 75 to 79 years: | 162 |  | 80 to 84 years: | 155 |  | 85 years and over: | 132 |  | Female Population: | 15,099 |  | Under 5 years: | 648 |  | 5 to 9 years: | 578 |  | 10 to 14 years: | 529 |  | 15 to 17 years: | 310 |  | 18 and 19 years: | 776 |  | 20 years: | 1,189 |  | 21 years: | 1,440 |  | 22 to 24 years: | 2,769 |  | 25 to 29 years: | 1,481 |  | 30 to 34 years: | 707 |  | 35 to 39 years: | 634 |  | 40 to 44 years: | 546 |  | 45 to 49 years: | 558 |  | 50 to 54 years: | 505 |  | 55 to 59 years: | 573 |  | 60 and 61 years: | 194 |  | 62 to 64 years: | 266 |  | 65 and 66 years: | 150 |  | 67 to 69 years: | 199 |  | 70 to 74 years: | 284 |  | 75 to 79 years: | 252 |  | 80 to 84 years: | 239 |  | 85 years and over: | 272 |  
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 Average White household size in San Marcos |   |  | Total: | 2 |  | Under 18 years: | 0 |  | 18 years and over: | 1 |  
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 Number of White occupied homes in San Marcos |   |  | Total: | 13,910 |  | Family led homes: | 5,016 |  | Husband-wife family: | 3,138 |  | Other family: | 1,878 |  | Population of male led with no wife present: | 626 |  | Population female led with no husband present: | 1,252 |  | Population of Nonfamily homes: | 8,894 |  | Population living alone: | 4,744 |  | Population not living alone: | 4,150 |  
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 Total occupied homes of White in San Marcos with people under 18 years old: |   |  | Total: | 13,910 |  | Population of homes with one or more people under 18 years: | 2,364 |  | Population of family homes: | 2,323 |  | Husband-wife family: | 1,309 |  | Under 6 years only: | 421 |  | Under 6 years and 6 to 17 years: | 293 |  | 6 to 17 years only: | 595 |  | Other family: | 1,014 |  | Male householder, no wife present: | 277 |  | Under 6 years only: | 83 |  | Under 6 years and 6 to 17 years: | 60 |  | 6 to 17 years only: | 134 |  | Female led with no husband present: | 737 |  | Under 6 years only: | 183 |  | Under 6 years and 6 to 17 years: | 165 |  | 6 to 17 years only: | 389 |  | Nonfamily households: | 41 |  | Male led households: | 21 |  | Under 6 years only: | 6 |  | Under 6 years and 6 to 17 years: | 0 |  | 6 to 17 years only: | 15 |  | Female led householder: | 20 |  | Under 6 years only: | 9 |  | Under 6 years and 6 to 17 years: | 0 |  | 6 to 17 years only: | 11 |  | Households with no people under 18 years: | 11,546 |  | Family households: | 2,693 |  | Husband-wife family: | 1,829 |  | Other family: | 864 |  | Male led with no wife present: | 349 |  | Female led with no husband present: | 515 |  | Nonfamily households: | 8,853 |  | Male led householder: | 4,437 |  | Female led householder: | 4,416 |  
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 Total number of White led homes in San Marcos, by type |   |  | Total Home Population: | 13,910 |  | Population of Family homes: | 5,016 |  | Population of 15 to 24 year olds: | 603 |  | Population of 25 to 34 year olds: | 1,114 |  | Population of 35 to 44 year olds: | 940 |  | Population of 45 to 54 year olds: | 807 |  | Population of 55 to 59 year olds: | 403 |  | Population of 60 to 64 year olds: | 320 |  | Population of 65 to 74 year olds: | 448 |  | Population of 75 to 84 year olds: | 284 |  | Population of 85 year olds and over: | 97 |  | Population of  Nonfamily Homes: | 8,894 |  | Population of 15 to 24 year olds: | 4,901 |  | Population of 25 to 34 year olds: | 1,756 |  | Population of 35 to 44 year olds: | 445 |  | Population of 45 to 54 year olds: | 498 |  | Population of 55 to 59 year olds: | 242 |  | Population of 60 to 64 year olds: | 223 |  | Population of 65 to 74 year olds: | 289 |  | Population of 75 to 84 year olds: | 301 |  | Population of 85 year olds and over: | 239 |  
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 White households in San Marcos containing people over 60 |   |  | Total Population: | 13,910 |  | Population of homes with one or more people 60 years and over: | 2,419 |  | 1-person household: | 992 |  | 2-or-more-person household: | 1,427 |  | Family households: | 1,352 |  | Nonfamily households: | 75 |  | Population of homes with no people 60 years and over: | 11,491 |  | 1-person household: | 3,752 |  | 2-or-more-person household: | 7,739 |  | Family homes: | 3,664 |  | Nonfamily homes: | 4,075 |  
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 White homes in San Marcos with multiple generations. |   |  | Total Population: | 13,910 |  | Home has three or more generations: | 312 |  | Home does not have three or more generations: | 13,598 |  
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 Unmarried White population in San Marcos under 18 years old in homes |   |  | Total Population: | 4,222 |  | Unmarried partner of home lead present: | 510 |  | In family homes: | 490 |  | Population of male led and male partner homes: | 12 |  | Population of male led and female partner households: | 186 |  | Population of female led and female partner households: | 16 |  | Population of female led and male partner households: | 276 |  | In nonfamily homes: | 20 |  | Population of male led and male partner homes: | 0 |  | Population of male led and female partner homes: | 16 |  | Population of female led and female partner homes: | 2 |  | Population of female led and male partner homes: | 2 |  | No unmarried partner of home lead present: | 3,712 |  | In family homes: | 3,691 |  | Population of husband-wife family homes: | 2,438 |  | Population of male lead with no wife present, family homes: | 255 |  | Population of female lead with no husband present, family homes: | 998 |  | In nonfamily homes: | 21 |  
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 Population in White families living in San Marcos |   |  | Total Population: | 14,738 |  | Population Under 18 years: | 4,275 |  | Population 18 years and over: | 10,463 |  
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 How long White in San Marcos have lived in one place. |   |  | Total: | 13,910 |  | Population of Owner occupied homes: | 3,770 |  | Family home: | 2,582 |  | Nonfamily homess: | 1,188 |  | Male led home: | 598 |  | Living alone: | 412 |  | Not living alone: | 186 |  | Female led home: | 590 |  | Living alone: | 481 |  | Not living alone: | 109 |  | Population of Renter occupied homes: | 10,140 |  | Family run homes: | 2,434 |  | Husband-wife family: | 1,099 |  | Other family: | 1,335 |  | Male led with no wife present: | 454 |  | Female led with no husband present: | 881 |  | Nonfamily Homes: | 7,706 |  | Male led homes: | 3,860 |  | Male living alone: | 1,872 |  | Male not living alone: | 1,988 |  | Female led homes: | 3,846 |  | Females living alone: | 1,979 |  | Females not living alone: | 1,867 |  
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