Comparison to Surrounding Areas
The median household income ($54,737) for 78666 is less than the median household income for 78676 ($87,344), 78133 ($83,853), 78155 ($71,039), 78623 ($116,923), 78638 ($69,250), 78640 ($90,075), 78655 ($55,952), 78656 ($81,346), 78670 ($78,625), 78130 ($83,064), 78132 ($135,315), Comal County ($101,889), Guadalupe County ($92,375), Hays County ($89,097), Caldwell County ($69,758), Kyle city ($90,323), Redwood CDP ($88,693), Wimberley city ($80,362), and Canyon Lake CDP ($97,301). But it's more than San Marcos city ($51,281).
| 78666 | $54,737 |
| Wimberley city | $80,362 |
| Canyon Lake CDP | $97,301 |
| Kyle city | $90,323 |
| Redwood CDP | $88,693 |
| San Marcos city | $51,281 |
| Comal County | $101,889 |
| Guadalupe County | $92,375 |
| Hays County | $89,097 |
| Caldwell County | $69,758 |
Get Median Household Income for all Zip Codes in Texas.
The average household income ($72,718) for 78666 is less than the average household income for 78676 ($120,275), 78133 ($108,087), 78155 ($94,258), 78623 ($142,892), 78638 ($117,368), 78640 ($102,165), 78655 ($80,555), 78656 ($90,982), 78670 ($102,170), 78130 ($107,633), 78132 ($173,967), Comal County ($133,953), Guadalupe County ($111,083), Hays County ($117,544), Caldwell County ($87,260), Kyle city ($103,066), Redwood CDP ($88,603), Wimberley city ($137,629), and Canyon Lake CDP ($131,183). But it's more than San Marcos city ($66,133).
| 78666 | $72,718 |
| Wimberley city | $137,629 |
| Canyon Lake CDP | $131,183 |
| Kyle city | $103,066 |
| Redwood CDP | $88,603 |
| San Marcos city | $66,133 |
| Comal County | $133,953 |
| Guadalupe County | $111,083 |
| Hays County | $117,544 |
| Caldwell County | $87,260 |
Get Average Household Income for all Zip Codes in Texas.
The per-capita income for 78666 is $29,465. The per capita income ($29,465) for 78666 is less than the per capita income for 78676 ($52,706), 78155 ($36,571), 78623 ($54,836), 78638 ($40,200), 78640 ($36,864), 78655 ($29,805), 78656 ($32,747), 78670 ($35,392), 78130 ($42,935), 78132 ($62,353), 78133 ($46,795), Guadalupe County ($40,669), Hays County ($44,565), Caldwell County ($31,050), Comal County ($52,350), Canyon Lake CDP ($52,878), Kyle city ($38,215), and Wimberley city ($64,852). But it's more than Redwood CDP ($29,177) and San Marcos city ($27,545).
| 78666 | $29,465 |
| Wimberley city | $64,852 |
| Canyon Lake CDP | $52,878 |
| Kyle city | $38,215 |
| Redwood CDP | $29,177 |
| San Marcos city | $27,545 |
| Comal County | $52,350 |
| Guadalupe County | $40,669 |
| Hays County | $44,565 |
| Caldwell County | $31,050 |
Get Per-Capita Income for all Zip Codes in Texas.
5.2% of households make over $200,000 a year. The percent high income households (5.2%) for 78666 is less than the percent high income households for 78676 (17.6%), 78133 (13.2%), 78155 (9.0%), 78623 (21.8%), 78638 (19.5%), 78640 (8.6%), 78655 (8.3%), 78670 (10.6%), 78130 (9.2%), 78132 (28.3%), Guadalupe County (11.1%), Hays County (15.3%), Caldwell County (6.9%), Comal County (18.7%), Canyon Lake CDP (18.7%), Kyle city (8.1%), and Wimberley city (21.5%). But it's more than 78656 (4.0%), Redwood CDP (4.5%), and San Marcos city (4.0%).
| 78666 | 5.2% |
| Wimberley city | 21.5% |
| Canyon Lake CDP | 18.7% |
| Kyle city | 8.1% |
| Redwood CDP | 4.5% |
| San Marcos city | 4.0% |
| Comal County | 18.7% |
| Guadalupe County | 11.1% |
| Hays County | 15.3% |
| Caldwell County | 6.9% |
Get High Income Households for all Zip Codes in Texas.
| under 25 years | 25 to 44 years | 45 to 64 years | 65 years and over | |
|---|---|---|---|---|
| 78666 | $28,964 | $62,925 | $77,461 | $58,725 |
| Wimberley city | $-1 | $39,084 | $112,979 | $77,096 |
| Canyon Lake CDP | $-1 | $100,487 | $131,580 | $70,678 |
| Kyle city | $40,250 | $91,077 | $103,403 | $78,851 |
| Redwood CDP | $-1 | $97,083 | $86,859 | $66,250 |
| San Marcos city | $28,712 | $58,499 | $71,868 | $53,772 |
| Comal County | $56,336 | $109,775 | $122,933 | $75,898 |
| Guadalupe County | $53,041 | $104,382 | $104,995 | $62,106 |
| Hays County | $32,162 | $102,069 | $110,161 | $73,773 |
| Caldwell County | $27,060 | $83,015 | $80,519 | $49,476 |
Get Median Household Income by Age of Householder for all Zip Codes in Texas.
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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 78666 on the US Census Bureau’s website. These values are in 2024 inflation-adjusted dollars and were downloaded on 29 January 2026.
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+ | |||||
| 78666 | +/-$3,230 | +/-$3,647 | +/-$1,493 | +/-1.1% | +/-$4,572 | +/-$5,558 | +/-$5,717 | +/-$5,777 |
| Wimberley city | +/-$31,678 | +/-$52,228 | +/-$16,928 | +/-12.3% | +/-$-1 | +/-$20,282 | +/-$75,523 | +/-$43,161 |
| Canyon Lake CDP | +/-$5,028 | +/-$7,939 | +/-$3,367 | +/-2.6% | +/-$-1 | +/-$7,664 | +/-$14,733 | +/-$8,389 |
| Kyle city | +/-$2,858 | +/-$5,945 | +/-$2,170 | +/-1.9% | +/-$15,353 | +/-$7,456 | +/-$12,333 | +/-$8,598 |
| Redwood CDP | +/-$12,247 | +/-$12,150 | +/-$3,929 | +/-5.0% | +/-$-1 | +/-$13,521 | +/-$11,310 | +/-$15,665 |
| San Marcos city | +/-$2,567 | +/-$3,639 | +/-$1,643 | +/-1.3% | +/-$4,700 | +/-$6,949 | +/-$13,225 | +/-$12,667 |
| Comal County | +/-$2,995 | +/-$4,833 | +/-$1,867 | +/-1.2% | +/-$7,444 | +/-$5,490 | +/-$7,490 | +/-$4,844 |
| Guadalupe County | +/-$3,124 | +/-$3,162 | +/-$986 | +/-1.0% | +/-$22,285 | +/-$4,756 | +/-$6,094 | +/-$4,465 |
| Hays County | +/-$2,532 | +/-$3,368 | +/-$1,186 | +/-1.1% | +/-$5,537 | +/-$5,991 | +/-$6,537 | +/-$4,136 |
| Caldwell County | +/-$5,400 | +/-$5,304 | +/-$1,748 | +/-1.3% | +/-$9,988 | +/-$10,760 | +/-$6,597 | +/-$8,250 |