Tool
Compare places
Put up to four U.S. cities, towns or census-designated places side by side on 29 figures: 22 measures from the ACS 2020-2024 5-year estimates, each with its margin, and their 2025 population estimate, growth, density, new homes and housing costs against income. A filled square marks a figure that differs from the first place by more than both margins of error allow; without it, the survey cannot tell the two apart.
How do Lake San Marcos, CA compare?
| Figure | Lake San Marcos, CA |
|---|---|
| Residents, July 2025 (estimate) | no yearly estimate (census-designated place) |
| Change since April 2020 | – |
| Residents counted in the 2020 Census | 5,328 |
| Residents per square mile (2020) | 3,121 |
| Homes permitted in 2025 per 1,000 residents | – |
| Median home value ÷ median household income | 10.2 years of income |
| A year of median rent ÷ median income of all households (renters usually earn less) | 34.5% |
| Measure | Lake San Marcos, CA |
|---|---|
| Total population | 4,693±708 |
| Median age | 63.0±3.4 |
| Hispanic or Latino (any race) | 22.3%±10.1 pts |
| White alone, not Hispanic | 66.1%±9.7 pts |
| Black or African American alone, not Hispanic | 0.4%±0.4 pts |
| Asian alone, not Hispanic | 5.2%±2.8 pts |
| Born outside the United States | 21.5%±5.6 pts |
| Bachelor's degree or higher (age 25+) | 35.6%±6.5 pts |
| Median household income | $89,851±$17,454 |
| Per capita income | $53,343±$8,396 |
| People below the poverty line | 6.0%±2.6 pts |
| Unemployment rate | 4.1%±3.5 pts |
| Median home value (owner-occupied) | $917,000±$70,499 |
| Median gross rent | $2,585±$214 |
| Renters paying 35% or more of income on rent | 38.6%±15.6 pts |
| Owner-occupied homes | 79.1%±5.0 pts |
| Built 2020 or later | 0.0%±2.0 pts |
| Worked from home | 23.5%±8.2 pts |
| Drove alone to work | 74.0%±9.2 pts |
| Public transportation | 0.0%±2.3 pts |
| Mean travel time to work | 23.5 min±3.2 |
| No health insurance coverage | 7.3%±3.3 pts |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census Bureau population estimates, Vintage 2025; 2020 Census; Building Permits Survey 2025 · Check it at data.census.gov