Comparison to Surrounding Areas
The median household income ($120,268) for 92078 is less than the median household income for 92009 ($164,182), 92010 ($129,926), 92024 ($158,507), 92029 ($124,726), and Harmony Grove CDP ($227,140). But it's more than 92069 ($96,771), 92081 ($105,379), 92083 ($86,974), 92096 ($-1), San Diego County ($106,268), Lake San Marcos CDP ($89,851), and San Marcos city ($109,377).
| 92078 | $120,268 |
| Harmony Grove CDP | $227,140 |
| Lake San Marcos CDP | $89,851 |
| San Marcos city | $109,377 |
| San Diego County | $106,268 |
Get Median Household Income for all Zip Codes in California.
The average household income ($154,495) for 92078 is less than the average household income for 92009 ($219,186), 92010 ($159,377), 92024 ($212,572), 92029 ($161,324), and Harmony Grove CDP ($245,193). But it's more than 92069 ($123,340), 92081 ($132,232), 92083 ($124,255), 92096 ($-1), San Diego County ($141,250), Lake San Marcos CDP ($120,348), and San Marcos city ($141,381).
| 92078 | $154,495 |
| Harmony Grove CDP | $245,193 |
| Lake San Marcos CDP | $120,348 |
| San Marcos city | $141,381 |
| San Diego County | $141,250 |
Get Average Household Income for all Zip Codes in California.
The per-capita income for 92078 is $54,529. The per capita income ($54,529) for 92078 is less than the per capita income for 92009 ($80,506), 92010 ($60,121), 92024 ($84,032), 92029 ($62,221), and Harmony Grove CDP ($83,839). But it's more than 92069 ($40,713), 92081 ($50,711), 92083 ($38,647), 92096 ($-1), San Diego County ($51,976), Lake San Marcos CDP ($53,343), and San Marcos city ($47,841).
| 92078 | $54,529 |
| Harmony Grove CDP | $83,839 |
| Lake San Marcos CDP | $53,343 |
| San Marcos city | $47,841 |
| San Diego County | $51,976 |
Get Per-Capita Income for all Zip Codes in California.
29.2% of households make over $200,000 a year. The percent high income households (29.2%) for 92078 is less than the percent high income households for 92009 (41.5%), 92024 (38.2%), and Harmony Grove CDP (58.8%). But it's more than 92096 (-1.0%), 92069 (17.0%), 92081 (20.3%), 92083 (12.8%), 92010 (25.6%), 92029 (28.9%), San Diego County (21.2%), Lake San Marcos CDP (17.6%), and San Marcos city (24.1%).
| 92078 | 29.2% |
| Harmony Grove CDP | 58.8% |
| Lake San Marcos CDP | 17.6% |
| San Marcos city | 24.1% |
| San Diego County | 21.2% |
Get High Income Households for all Zip Codes in California.
| under 25 years | 25 to 44 years | 45 to 64 years | 65 years and over | |
|---|---|---|---|---|
| 92078 | $62,955 | $167,595 | $134,764 | $63,017 |
| Harmony Grove CDP | $-1 | $250,001 | $226,591 | $-1 |
| Lake San Marcos CDP | $-1 | $139,500 | $89,203 | $76,789 |
| San Marcos city | $58,538 | $131,688 | $132,634 | $63,304 |
| San Diego County | $58,554 | $116,896 | $123,231 | $78,324 |
Get Median Household Income by Age of Householder for all Zip Codes in California.
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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 92078 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+ | |||||
| 92078 | +/-$9,449 | +/-$8,666 | +/-$3,041 | +/-3.4% | +/-$35,551 | +/-$28,053 | +/-$16,372 | +/-$8,403 |
| Harmony Grove CDP | +/-$45,035 | +/-$34,678 | +/-$14,960 | +/-14.5% | +/-$-1 | +/-$-1 | +/-$26,958 | +/-$-1 |
| Lake San Marcos CDP | +/-$17,454 | +/-$18,018 | +/-$8,396 | +/-6.4% | +/-$-1 | +/-$70,834 | +/-$69,155 | +/-$15,205 |
| San Marcos city | +/-$5,003 | +/-$5,282 | +/-$1,784 | +/-2.1% | +/-$7,709 | +/-$11,958 | +/-$13,446 | +/-$9,322 |
| San Diego County | +/-$949 | +/-$1,071 | +/-$362 | +/-0.3% | +/-$2,633 | +/-$1,516 | +/-$1,917 | +/-$1,247 |