92078 ZIP Code
San Marcos, California
December 30, 2025
| ZIP Code: | 92078 |
| City/Town: | San Marcos |
| County: | San Diego |
| State: | California |
| ZIP Type: | Standard |
| Population: | 53,019 |
| Median Household Income: | $107,894 |
| Per Capita Income: | $51,388 |
| Total Housing Units: | 19,093 |
| Median Home Value: | $787,600 |
| Land Area: | 16.7 sq miles
43.3 sq km |
| Water Area: | 0.1 sq miles
0.3 sq km |
| Coordinates: | 33.1171, -117.1808 |
Population Information (92078 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Total Population: | 53,019 | -- | -- |
| Male: | 26,675 | 50.3% | 49.6% |
| Female: | 26,344 | 49.7% | 50.4% |
| Median Age: | 37.7 yrs | -- | 38.5 yrs |
| Under 5 years: | 3,473 | 6.6% | 5.7% |
| 5 to 9 years: | 4,224 | 8.0% | 6.0% |
| 10 to 14 years: | 3,931 | 7.4% | 6.5% |
| 15 to 19 years: | 4,337 | 8.2% | 6.6% |
| 20 to 24 years: | 2,606 | 4.9% | 6.7% |
| 25 to 34 years: | 5,581 | 10.5% | 13.7% |
| 35 to 44 years: | 8,657 | 16.3% | 12.9% |
| 45 to 54 years: | 6,419 | 12.1% | 12.4% |
| 55 to 59 years: | 2,556 | 4.8% | 6.5% |
| 60 to 64 years: | 2,746 | 5.2% | 6.4% |
| 65 to 74 years: | 4,804 | 9.1% | 9.7% |
| 75 to 84 years: | 2,412 | 4.5% | 4.8% |
| 85 years and over: | 1,273 | 2.4% | 2.0% |
Housing Information (92078 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Median home value: | $787,600 | -- | $281,900 |
| Median rooms: | 5.5 | -- | 5.5 |
| Median rent: | $2,274 / mo. | -- | $1,268 / mo. |
| Total housing units: | 19,093 | -- | -- |
| Occupied housing units: | 18,045 | 94.5% | 38.0% |
| Vacant housing units: | 1,048 | 5.5% | 4.6% |
| Housing tenure: | -- | -- | -- |
| Owner-occupied: | 12,675 | 70.2% | 64.8% |
| Renter-occupied: | 5,370 | 29.8% | 35.2% |
Educational Attainment (92078 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Population 25 years and over: | 34,448 | -- | -- |
| Less than 9th grade: | 1,439 | 4.2% | 4.7% |
| 9th to 12th grade, no diploma: | 1,440 | 4.2% | 6.1% |
| High school graduate: | 4,778 | 13.9% | 26.4% |
| Some college, no degree: | 7,245 | 21.0% | 19.7% |
| Associate degree: | 3,164 | 9.2% | 8.7% |
| Bachelor's degree: | 10,412 | 30.2% | 20.9% |
| Graduate or professional degree: | 5,970 | 17.3% | 13.7% |
| Percent high school graduate or higher: | -- | 91.6% | 89.1% |
| Percent bachelor's degree or higher: | -- | 47.6% | 34.3% |
Income Information (92078 zip code)
| Value | US AvgUS | |
|---|---|---|
| Median household income: | $107,894 / yr. | $75,149 / yr. |
| Mean household income: | $140,366 / yr. | $105,833 / yr. |
| Median family income: | $139,264 / yr. | $92,646 / yr. |
| Per capita income: | $51,388 / yr. | $41,261 / yr. |
Employment (92078 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| In labor force: | 25,502 | -- | 63.5% |
| Employed: | 24,386 | 95.9% | 96.4% |
| Unemployed: | 1,053 | 4.1% | 5.3% |
| Not in labor force: | 15,183 | -- | -- |
| Class of Worker: | -- | -- | -- |
| Private wage and salary: | 19,845 | 81.4% | 79.7% |
| Government workers: | 2,455 | 10.1% | 14.2% |
| Self-employed: | 2,065 | 8.5% | 5.9% |
| Unpaid family workers: | 21 | 0.1% | 0.1% |
Race & Ethnicity (92078 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Race (one race): | -- | -- | -- |
| White: | 34,576 | 65.2% | 61.6% |
| Black or African American: | 742 | 1.4% | 12.4% |
| American Indian/Alaska Native: | 238 | 0.4% | 1.1% |
| Asian: | 5,344 | 10.1% | 6.0% |
| Native Hawaiian/Pacific Islander: | 57 | 0.1% | 0.2% |
| Some other race: | 3,944 | 7.4% | 8.4% |
| Two or more races: | 8,118 | 15.3% | 10.2% |
| Hispanic or Latino (any race): | 8,940 | 16.9% | 18.7% |
| Mexican: | 16,614 | 31.3% | 11.2% |
| Puerto Rican: | 13,415 | 25.3% | 1.8% |
| Cuban: | 237 | 0.4% | 0.7% |
| Other Hispanic or Latino: | 188 | 0.4% | 5.0% |
| Not Hispanic or Latino: | 2,774 | 5.2% | 81.1% |
Income Distribution (92078 zip code)
| Household Income | Households | Percent% | US AvgUS |
|---|---|---|---|
| Less than $10,000: | 759 | 4.2% | 4.9% |
| $10,000 to $14,999: | 373 | 2.1% | 3.8% |
| $15,000 to $24,999: | 830 | 4.6% | 7.0% |
| $25,000 to $34,999: | 731 | 4.1% | 7.4% |
| $35,000 to $49,999: | 1,613 | 8.9% | 10.7% |
| $50,000 to $74,999: | 1,920 | 10.6% | 16.1% |
| $75,000 to $99,999: | 2,183 | 12.1% | 12.8% |
| $100,000 to $149,999: | 3,101 | 17.2% | 17.1% |
| $150,000 to $199,999: | 2,110 | 11.7% | 8.8% |
| $200,000 or more: | 4,425 | 24.5% | 11.4% |
Commute to Work (92078 zip code)
| Commute Method | Workers | Percent% | US AvgUS |
|---|---|---|---|
| Drove alone: | 16,851 | 69.1% | 67.8% |
| Carpooled: | 1,443 | 5.9% | 8.7% |
| Public transportation: | 105 | 0.4% | 4.2% |
| Walked: | 260 | 1.1% | 2.5% |
| Other means: | 329 | 1.3% | 0.9% |
| Worked from home: | 4,985 | 20.4% | 13.8% |
| Mean travel time to work: | 27.1 min | -- | 26.7 min |
Industry (92078 zip code)
| Industry Sector | Workers | Percent% | US AvgUS |
|---|---|---|---|
| Agriculture, forestry, fishing, mining: | 175 | 0.7% | 1.6% |
| Construction: | 1,700 | 7.0% | 6.9% |
| Manufacturing: | 2,939 | 12.1% | 10.0% |
| Wholesale trade: | 660 | 2.7% | 2.4% |
| Retail trade: | 2,710 | 11.1% | 11.0% |
| Transportation, warehousing, utilities: | 989 | 4.1% | 5.8% |
| Information: | 892 | 3.7% | 1.9% |
| Finance, insurance, real estate: | 1,503 | 6.2% | 6.7% |
| Professional, scientific, management: | 3,726 | 15.3% | 12.1% |
| Education, health care, social services: | 5,203 | 21.3% | 23.3% |
| Arts, entertainment, food services: | 2,014 | 8.3% | 9.0% |
| Other services: | 1,065 | 4.4% | 4.7% |
| Public administration: | 810 | 3.3% | 4.7% |
Poverty Status (92078 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Poverty Rate: | -- | 8.0% | 8.8% |
| All people below poverty level: | -- | -- | -- |
| Under 18 years: | -- | -- | 16.3% |
| 18 to 64 years: | -- | -- | 11.0% |
| 65 years and over: | -- | -- | 10.3% |
Health Insurance (92078 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| With health insurance: | 49,459 | 93.3% | 91.3% |
| Private health insurance: | 40,135 | 75.7% | 67.6% |
| Public health coverage: | 15,037 | 28.4% | 35.9% |
| Without health insurance: | 3,337 | 6.3% | 8.7% |
Benefits & Assistance (92078 zip code)
| Households with: | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Earnings: | 13,985 | 77.5% | 77.4% |
| Social Security income: | 5,522 | 30.6% | 31.0% |
| Retirement income: | 4,038 | 22.4% | 21.8% |
| Supplemental Security Income (SSI): | 839 | 4.6% | 4.5% |
| Cash public assistance income: | 303 | 1.7% | 1.8% |
| SNAP (food stamps) benefits: | 967 | 5.4% | 11.4% |
Housing Types (92078 zip code)
| Structure Type | Units | Percent% | US AvgUS |
|---|---|---|---|
| 1-unit, detached: | 10,037 | 52.6% | 61.4% |
| 1-unit, attached: | 2,584 | 13.5% | 6.1% |
| 2 units: | 119 | 0.6% | 3.4% |
| 3 or 4 units: | 659 | 3.5% | 4.3% |
| 5 to 9 units: | 457 | 2.4% | 4.6% |
| 10 to 19 units: | 444 | 2.3% | 4.3% |
| 20 or more units: | 2,590 | 13.6% | 9.9% |
| Mobile home: | 2,203 | 11.5% | 5.8% |
| Boat, RV, van, etc.: | 0 | 0.0% | 0.1% |
Year Structure Built (92078 zip code)
| Year Built | Units | Percent% | US AvgUS |
|---|---|---|---|
| Built 2020 or later: | 246 | 1.3% | 0.6% |
| Built 2010 to 2019: | 2,407 | 12.6% | 8.2% |
| Built 2000 to 2009: | 5,840 | 30.6% | 13.5% |
| Built 1990 to 1999: | 3,179 | 16.7% | 13.2% |
| Built 1980 to 1989: | 2,658 | 13.9% | 13.2% |
| Built 1970 to 1979: | 2,884 | 15.1% | 14.6% |
| Built 1960 to 1969: | 1,578 | 8.3% | 10.2% |
| Built 1950 to 1959: | 278 | 1.5% | 9.9% |
| Built 1940 to 1949: | 0 | 0.0% | 4.6% |
| Built 1939 or earlier: | 23 | 0.1% | 12.0% |
Bedrooms (92078 zip code)
| Number of Bedrooms | Units | Percent% | US AvgUS |
|---|---|---|---|
| No bedroom (studio): | 288 | 1.5% | 2.4% |
| 1 bedroom: | 1,132 | 5.9% | 3.0% |
| 2 bedrooms: | 6,360 | 33.3% | 9.1% |
| 3 bedrooms: | 5,905 | 30.9% | 15.9% |
| 4 bedrooms: | 3,904 | 20.4% | 18.8% |
| 5 or more bedrooms: | 1,504 | 7.9% | 17.6% |
Heating Fuel (92078 zip code)
| Fuel Type | Units | Percent% | US AvgUS |
|---|---|---|---|
| Utility gas: | 12,520 | 69.4% | 47.1% |
| Bottled, tank, or LP gas: | 130 | 0.7% | 4.9% |
| Electricity: | 4,466 | 24.7% | 40.2% |
| Fuel oil, kerosene, etc.: | 55 | 0.3% | 4.2% |
| Coal or coke: | 0 | 0.0% | 0.1% |
| Wood: | 87 | 0.5% | 1.5% |
| Solar energy: | 348 | 1.9% | 0.1% |
| Other fuel: | 71 | 0.4% | 0.5% |
| No fuel used: | 368 | 2.0% | 0.2% |
Vehicles Available (92078 zip code)
| Vehicles | Households | Percent% | US AvgUS |
|---|---|---|---|
| No vehicle available: | 856 | 4.7% | 8.3% |
| 1 vehicle available: | 4,597 | 25.5% | 32.6% |
| 2 vehicles available: | 8,548 | 47.4% | 37.0% |
| 3 or more vehicles available: | 4,044 | 22.4% | 22.1% |
Home Value Distribution (92078 zip code)
| Value Range | Owner Units | Percent% | US AvgUS |
|---|---|---|---|
| Less than $50,000: | 108 | 0.9% | 5.7% |
| $50,000 to $99,999: | 150 | 1.2% | 7.8% |
| $100,000 to $149,999: | 259 | 2.0% | 9.2% |
| $150,000 to $199,999: | 284 | 2.2% | 10.8% |
| $200,000 to $299,999: | 633 | 5.0% | 19.9% |
| $300,000 to $499,999: | 988 | 7.8% | 24.1% |
| $500,000 to $999,999: | 6,386 | 50.4% | 17.0% |
| $1,000,000 or more: | 3,867 | 30.5% | 5.6% |
Housing Costs (92078 zip code)
| Value | US AvgUS | |
|---|---|---|
| Median owner costs (with mortgage): | $3,305 / mo. | $1,828 / mo. |
| Median owner costs (no mortgage): | $847 / mo. | $584 / mo. |
| Median gross rent: | $2,274 / mo. | $1,268 / mo. |
| Average household size (owner-occupied): | 2.86 | 2.53 |
| Average household size (renter-occupied): | 2.87 | 2.38 |
Households (92078 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Total households: | 18,045 | -- | -- |
| Married-couple households: | 10,371 | 57.5% | 47.5% |
| Cohabiting couple households: | 5,391 | 29.9% | 7.0% |
| Male householder, no spouse: | 2,629 | 14.6% | 5.4% |
| Female householder, no spouse: | 4,259 | 23.6% | 12.7% |
| Householder living alone: | 7,035 | 39.0% | 28.6% |
| 65 years and over living alone: | 6,033 | 33.4% | 11.8% |
| Average household size: | 2.86 | -- | 2.53 |
| Average family size: | 3.44 | -- | -- |
Marital Status (92078 zip code)
| Population 15 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Total: | 20,236 | -- | -- |
| Never married: | 6,760 | 33.4% | 37.0% |
| Now married: | 11,440 | 56.5% | 49.5% |
| Separated: | 402 | 2.0% | 1.5% |
| Widowed: | 1,519 | 7.5% | 2.6% |
| Divorced: | 5,108 | 25.2% | 9.3% |
School Enrollment (92078 zip code)
| Population 3 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Enrolled in school: | 15,736 | -- | -- |
| Nursery school, preschool: | 1,068 | 6.8% | 5.8% |
| Kindergarten: | 792 | 5.0% | 5.0% |
| Elementary school (grades 1-8): | 6,330 | 40.2% | 40.5% |
| High school (grades 9-12): | 2,552 | 16.2% | 21.4% |
| College or graduate school: | 4,994 | 31.7% | 27.3% |
Veterans & Disability (92078 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Civilian population 18 years and over: | 39,390 | -- | -- |
| Veterans: | 2,763 | 7.0% | 6.3% |
| Civilian noninstitutionalized population: | 52,796 | -- | -- |
| With a disability: | 5,252 | 9.9% | 13.4% |
| Under 18 with disability: | 315 | 6.0% | 5.8% |
| 18 to 64 with disability: | 2,077 | 39.5% | 10.4% |
| 65 and over with disability: | 2,860 | 54.5% | 33.4% |
Mobility (Residence 1 Year Ago) (92078 zip code)
| Population 1 year and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Same house: | 45,978 | 86.7% | 86.9% |
| Different house: | 6,676 | 12.6% | 13.1% |
| Same county: | 5,169 | 77.4% | 7.0% |
| Different county: | 1,264 | 18.9% | 3.2% |
| Different state: | 768 | 11.5% | 2.5% |
| Abroad: | 243 | 3.6% | 0.4% |
Place of Birth (92078 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Native born: | 43,066 | 81.2% | 86.2% |
| Foreign born: | 855 | 1.6% | 13.9% |
| Naturalized citizen: | 9,953 | 1164.1% | 52.7% |
| Not a citizen: | 9,953 | 1164.1% | 47.3% |
| Foreign-born by region: | -- | -- | -- |
| Europe: | 9,953 | 1164.1% | 10.5% |
| Asia: | 855 | 100.0% | 31.3% |
| Africa: | 180 | 21.1% | 5.5% |
| Oceania: | 26 | 3.0% | 0.5% |
| Latin America: | 5,072 | 593.2% | 50.0% |
| Northern America: | 359 | 42.0% | 2.2% |
Language Spoken at Home (92078 zip code)
| Population 5 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Total: | 49,546 | -- | -- |
| English only: | 35,705 | 72.1% | 78.3% |
| Language other than English: | 13,841 | 27.9% | 21.5% |
| By language: | -- | -- | -- |
| Spanish: | 9,314 | 18.8% | 13.3% |
| Other Indo-European languages: | 1,910 | 3.9% | 3.5% |
| Asian/Pacific Island languages: | 2,193 | 4.4% | 3.5% |
| Other languages: | 424 | 0.9% | 1.0% |
Computers & Internet (92078 zip code)
| Households | Percent% | US AvgUS | |
|---|---|---|---|
| Households with a computer: | 18,045 | 100.0% | 93.1% |
| Households with broadband internet: | 17,566 | 97.3% | 89.4% |
San Marcos, CA92078