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The total population of San Marcos is estimated to be 67,143 with 31,946 males (47.58%) and 35,197 females (52.42%). There are 3,251 more females than males in San Marcos.
The median household income in San Marcos was $45,939 in 2021, which marked an a decrease of 1,687(3.54%) from $47,626 in 2020. This income is 61.58% of the U.S. median household income of $74,606 (all incomes in 2022 inflation-adjusted dollars).
In San Marcos, the median income for all workers aged 15 years and older, regardless of work hours, was $29,094 for males and $14,906 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $41,413 for males and $34,189 for females.
In San Marcos, there are just three different racial groups among households. Among these, Two or More Races households report a median household income of $73,139, followed by Some Other Race households at $49,716, and White households with a median household income of $49,431.
In 2022, the population of San Marcos was 70,301, a 1.57% increase year-by-year from 2021. Previously, in 2021, San Marcos's population was 69,215, an increase of 1.60% compared to a population of 68,128 in 2020.
The median age in San Marcos, TX is 24.9, as per 2021 ACS 5-Year Estimates. Of the total population, 10.58% were under the age of 15, 50.90% aged 15 to 29, 29.22% aged 30 to 64, 7.97% aged 65 to 84, and 1.34% were 85 years of age and older.
Racial distribution of San Marcos population: 72.43% are White, 6.87% are Black or African American, 0.42% are American Indian and Alaska Native, 2.59% are Asian, 0.08% are Native Hawaiian and other Pacific Islander, 5.01% are some other race and 12.58% are multiracial.