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Lake San Marcos, California ZIP code demographics
1 ZIP Code Tabulation Area in Lake San Marcos, California. The population-weighted median household income is about $120,268, the median home value about $942,300, and 72% of occupied homes are owner-occupied.
- 1
- ZIP codes
- 53.6K
- Population
- 54
- Data points
Lake San Marcos at a glance
- $120,268
- Median household income
- $942,300
- Median home value
- 39
- Median age
- 72%
- Owner-occupied
- 19,339
- Housing units
Income, home value, and age are population-weighted averages of the ZIP-level medians in the file. Counts are exact.
| # | ZIP | City | Population | Homeowner % | Median HH $ |
|---|---|---|---|---|---|
| 1 | 92078 | Harmony Grove | 53,605 | 72% | $120,268 |
| # | ZIP | City | Population | Homeowner % | Median HH $ | Homeowner GDP |
|---|---|---|---|---|---|---|
| 1 | 92078 | Harmony Grove | 53,605 | 72% | $120,268 | $1.6B |
Homeowner GDP = owner-occupied units × median household income — a proxy for aggregate homeowner spending power in a ZIP, useful for scoring market opportunity. Not an official economic statistic.