| City: | San Marcos, California |
| Names to Avoid: | Ca State Univ San Marcos |
| County: | San Diego County |
| Timezone: | Pacific (GMT -08:00) |
| Local Time: | 9:39:36 AM |
| Population: | 35 [See All] |
| Area Codes: | 442 / 760 |
| Classification: | Unique [Company/Government] |
| Coordinates: | 33.1293, -117.1584 |
| Land Area: | 0.327 sq mi |
| Quick Link: |
California State University San Marcos operates under dedicated ZIP code 92096 in San Marcos, San Diego County. Governor George Deukmejian signed Senate Bill 365 on September 28, 1989, officially creating CSUSM as the 20th campus in the California State University system and the first comprehensive public university founded in the United States in two decades. The university opened in August 1990 in rented office space with 448 juniors and seniors and 12 founding faculty members, moving to its permanent 304-acre hillside campus on the former Prohoroff Poultry Farm in 1992. The USPS assigned this unique postal designation prior to 2004.
Situated on Twin Oaks Valley Road approximately 30 miles north of San Diego, CSUSM now enrolls over 15,000 students and offers 43 bachelor's degree programs and 24 master's programs. Postal records identify 2 ZIP+4 codes routing to the California State University San Marcos campus. The 2020 Census counted 35 residents with a median age of 25.5 years. Census Business Patterns data shows 7 establishments employing 36 workers. San Marcos serves as the valid mailing city.
| Population: | 35 |
| Median Age: | 25.5 |
| Housing Units: | 9 |
| Establishments: | 7 |
| Employment: | 36 |
Buildings registered in the USPS ZIP+4 database with designated codes for direct mail delivery.
ZIP Code 92096 has 35 residents and 8 households (average 4.38 persons per household). The median age is 25.5 years, significantly younger than the state (37.5) and significantly younger than the nation (38.8). The gender split is 31.4% male and 68.6% female, which is much lower than the state male share (49.4%), making this a female-majority area. Largest groups are Hispanic or Latino (45.7%) and Other / Two or More Races (40.0%, much higher than the state average of 21.2% and well above the national average of 8.4%); Hispanic or Latino residents make up 45.7%, which is much higher than the national average (18.7%), and Other / Two or More Races share is much higher than both the state (21.2%) and national averages (8.4%).
Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & Citizenship
| 2020 Population: | 35Source: Census DHC |
| 2024 ACS Population Estimate: | 0Source: Census ACS |
| 2026 ZC Population Estimate: | 0Source: ZIP-Codes.com |
| Population Density: | 107.0 people per sq mile |
| Average Income: | $0Source: Census ACS |
| Households: | 8Source: Census DHC |
| Average House Value: | $666,666,666Source: Census ACS |
| Persons Per Household: | 4.38Source: Census DHC |
| Average Family Size: | 5.50Source: Census ACS |
| Group | 2010 | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Census ACS Population Estimate | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Decennial Census | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 35 | -- | -- | -- | -- |
Median Age: 25.5
Male Median Age: 21.5
Female Median Age: 38
| Group | < 5 | 5-9 | 10-14 | 15-19 | 20-24 | 25-29 | 30-34 | 35-39 | 40-44 | 45-49 | 50-54 | 55-59 | 60-64 | 65-69 | 70-74 | 75-79 | 80-84 | 85+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Male | 1 | 0 | 0 | 0 | 9 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Female | 0 | 1 | 3 | 0 | 3 | 3 | 0 | 5 | 1 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Total | 1 | 1 | 3 | 0 | 12 | 3 | 0 | 6 | 1 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| White: | 11 | 22.45% |
| Black: | 5 | 10.20% |
| Hispanic:* | 16 | 32.65% |
| Asian: | 1 | 2.04% |
| American Indian: | 1 | 2.04% |
| Hawaiian: | 1 | 2.04% |
| Other: | 14 | 28.57% |
| Total: | 49 | 100% |
| Gender | Count | % | Median Age |
|---|---|---|---|
| Males: | 11 | 31.43% | 21.5 years |
| Females: | 24 | 68.57% | 38.0 years |
| Total: | 35 | 100% | 25.5 years |
| Native, born in the United States: | 0 | 0% |
| Native, born in PR, Island Areas, or abroad: | 0 | 0% |
| Foreign born, naturalized U.S. citizen: | 0 | 0% |
| Foreign born, not a U.S. citizen: | 0 | 0% |
| Total Population: | 0 | 100% |
| Total Native Population: | 0 | 0% |
| Total Foreign-born Population: | 0 | 0% |
ZIP Code 92096 supports both business and residential activity. According to the Business Census (2024), there are 6 business establishments, employing about 27 people with an annual payroll of $776,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 0Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 6Source: CBP |
| 1st Quarter Payroll: | $234,000Source: CBP |
| Annual Payroll: | $776,000Source: CBP |
| # of Employees: | 27Source: CBP |
ZIP Code 92096 is located in San Diego County, California, within the San Diego-Chula Vista-Carlsbad, CA Metropolitan Statistical Area (CBSA 41740) and California's 50th Congressional District. This Metro area has a population of 3,095,313 people, about 0.00% of whom live in ZIP Code 92096. It covers 0.327 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | San Diego-Chula Vista-Carlsbad, CASource: Census |
| CBSA Number: | 41740Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 3,095,313Source: Census |
| MSA: | San Diego, CA MSASource: Census |
| Land Area: | 0.327 sq miSource: Census |
| Water Area: | --Source: Census |
| Congressional District: | 50Source: USPS |
| Congressional Land Area: | 2787.35 sq miSource: Census |
| PMSA: | --Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 0668196Source: Census |
| Place Name: | San Marcos city; CaliforniaSource: Census |
We could not locate which school district 92096 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on February 1, 2026.