California Gazetteer
Also See San Marcos, CA: ZIP Codes & Maps
The City of San Marcos had a population of 94,882 as of 2020-2024 American Community Survey 5-Year Estimates. San Marcos ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in California. See peer rankings below.
The primary coordinate point for San Marcos is located at latitude 33.1434 and longitude -117.1661 in San Diego County. The formal boundaries for the City of San Marcos encompass a land area of 24.36 sq. miles and a water area of 0.02 sq. miles. San Diego County is in the Pacific time zone (GMT -8).
The City of San Marcos has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.
California is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The City of San Marcos is located within Oceanside-Escondido CCD of San Diego County.
Source: 2020-2024 American Community Survey 5-Year Estimates
POPULATION | |
|---|---|
| Total Population | 94,882 (100%) |
| Population Density | 3,862 per sq mi |
| Diversity Index1 | 65 |
INCOME | |
| Median Household Income | $109,377 |
| Per Capita Income | $47,841 |
| Median Home Value | $868,000 |
HOUSING | |
|---|---|
| Total HU (Housing Units) | 32,557 (100%) |
| Owner Occupied HU | 19,976 (61.4%) |
| Renter Occupied HU | 11,374 (34.9%) |
| Vacant Housing Units | 1,207 (3.7%) |
HOUSEHOLDS | |
| Total Households | 31,350 |
| Average Household Size | 2.96 |
| Family Households | 23,400 (74.6%) |
The table below compares San Marcos to the other 1,618 incorporated cities, towns and CDPs in California by rank and percentile using 2020-2024 American Community Survey 5-Year Estimates data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.
| Variable Description | Rank | Percentile |
|---|---|---|
| Total Population | # 81 | 95th |
| Population Density | # 347 | 79th |
| Median Household Income | # 518 | 68th |
| Per Capita Income | # 627 | 61st |
| Diversity Index | # 182 | 89th |
Additional comparisons and rankings can be made with a VERY EASY TO USE California Census Data Comparison Tool.
Also See: Nearby Hotels | Driving Directions
