78656 Income Statistics

Comparison to Surrounding Areas

78656 Median Household Income

The median household income ($81,346) for 78656 is less than the median household income for 78640 ($90,075) and Hays County ($89,097). But it's more than 78644 ($74,709), 78655 ($55,952), 78666 ($54,737), Caldwell County ($69,758), and San Marcos city ($51,281).

78656$81,346
San Marcos city$51,281
Caldwell County$69,758
Hays County$89,097

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78656 Average Household Income

The average household income ($90,982) for 78656 is less than the average household income for 78640 ($102,165) and Hays County ($117,544). But it's more than 78644 ($86,527), 78655 ($80,555), 78666 ($72,718), Caldwell County ($87,260), and San Marcos city ($66,133).

78656$90,982
San Marcos city$66,133
Caldwell County$87,260
Hays County$117,544

Get Average Household Income for all Zip Codes in Texas.

78656 Per-Capita Income

The per-capita income for 78656 is $32,747. The per capita income ($32,747) for 78656 is less than the per capita income for 78640 ($36,864) and Hays County ($44,565). But it's more than 78644 ($31,228), 78655 ($29,805), 78666 ($29,465), Caldwell County ($31,050), and San Marcos city ($27,545).

78656$32,747
San Marcos city$27,545
Caldwell County$31,050
Hays County$44,565

Get Per-Capita Income for all Zip Codes in Texas.

78656 High Income Households

4% of households make over $200,000 a year. The percent high income households (4.0%) for 78656 is less than 78640 (8.6%), 78644 (6.7%), 78655 (8.3%), 78666 (5.2%), Caldwell County (6.9%), and Hays County (15.3%). And it's the same as San Marcos city (4.0%).

786564.0%
San Marcos city4.0%
Caldwell County6.9%
Hays County15.3%

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78656 Median Household Income by Age of Householder

under 25 years 25 to 44 years 45 to 64 years 65 years and over
78656$-1$93,399$69,583$54,233
San Marcos city$28,712$58,499$71,868$53,772
Caldwell County$27,060$83,015$80,519$49,476
Hays County$32,162$102,069$110,161$73,773

Get Median Household Income by Age of Householder for all Zip Codes in Texas.

78656 Map

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About the Data

Data Sources

All income statistics above are the most current, comparable income statistics available from the US Census Bureau and are from the American Community Survey 2024 5-year estimates. You can find this information and other demographics for 78656 on the US Census Bureau’s website. These values are in 2024 inflation-adjusted dollars and were downloaded on 29 January 2026.

The following data tables were used:

  • B19001 Household Income in the Past 12 Months (in 2024 inflation-adjusted dollars)
  • B19013 Median Household Income in the Past 12 Months (in 2024 inflation-adjusted dollars)
  • B19301 Per Capita Income in the Past 12 Months (in 2024 inflation-adjusted dollars)
  • S1902 Mean Income in the Past 12 Months (in 2024 inflation-adjusted dollars)
  • B19049 Median Household Income in the Past 12 Months (in 2024 inflation-adjusted dollars) By Age Of Householder

Margins of Error

Margins of error for the income data are:

Median Household Income Average Household Income Per Capita Income High Income Households Median Household Income by Age of Householder
under 25 25 to 44 45 to 64 65+
78656+/-$32,292+/-$16,040+/-$6,813+/-4.4%+/-$-1+/-$12,710+/-$44,223+/-$3,957
San Marcos city+/-$2,567+/-$3,639+/-$1,643+/-1.3%+/-$4,700+/-$6,949+/-$13,225+/-$12,667
Caldwell County+/-$5,400+/-$5,304+/-$1,748+/-1.3%+/-$9,988+/-$10,760+/-$6,597+/-$8,250
Hays County+/-$2,532+/-$3,368+/-$1,186+/-1.1%+/-$5,537+/-$5,991+/-$6,537+/-$4,136