94403 ZIP Code
San Mateo, California
December 30, 2025
| ZIP Code: | 94403 |
| City/Town: | San Mateo |
| County: | San Mateo |
| State: | California |
| ZIP Type: | Standard |
| Population: | 43,858 |
| Median Household Income: | $171,213 |
| Per Capita Income: | $89,987 |
| Total Housing Units: | 17,956 |
| Median Home Value: | $1,681,500 |
| Land Area: | 5.6 sq miles
14.6 sq km |
| Water Area: | 0.2 sq miles
0.4 sq km |
| Coordinates: | 37.5384, -122.3054 |
Population Information (94403 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Total Population: | 43,858 | -- | -- |
| Male: | 22,504 | 51.3% | 49.6% |
| Female: | 21,354 | 48.7% | 50.4% |
| Median Age: | 38.5 yrs | -- | 38.5 yrs |
| Under 5 years: | 2,504 | 5.7% | 5.7% |
| 5 to 9 years: | 1,942 | 4.4% | 6.0% |
| 10 to 14 years: | 2,789 | 6.4% | 6.5% |
| 15 to 19 years: | 1,779 | 4.1% | 6.6% |
| 20 to 24 years: | 2,277 | 5.2% | 6.7% |
| 25 to 34 years: | 7,640 | 17.4% | 13.7% |
| 35 to 44 years: | 7,010 | 16.0% | 12.9% |
| 45 to 54 years: | 5,881 | 13.4% | 12.4% |
| 55 to 59 years: | 2,932 | 6.7% | 6.5% |
| 60 to 64 years: | 2,299 | 5.2% | 6.4% |
| 65 to 74 years: | 3,418 | 7.8% | 9.7% |
| 75 to 84 years: | 2,386 | 5.4% | 4.8% |
| 85 years and over: | 1,001 | 2.3% | 2.0% |
Housing Information (94403 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Median home value: | $1,681,500 | -- | $281,900 |
| Median rooms: | 4.6 | -- | 5.5 |
| Median rent: | $3,166 / mo. | -- | $1,268 / mo. |
| Total housing units: | 17,956 | -- | -- |
| Occupied housing units: | 16,612 | 92.5% | 38.0% |
| Vacant housing units: | 1,344 | 7.5% | 4.6% |
| Housing tenure: | -- | -- | -- |
| Owner-occupied: | 8,767 | 52.8% | 64.8% |
| Renter-occupied: | 7,845 | 47.2% | 35.2% |
Educational Attainment (94403 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Population 25 years and over: | 32,567 | -- | -- |
| Less than 9th grade: | 1,141 | 3.5% | 4.7% |
| 9th to 12th grade, no diploma: | 970 | 3.0% | 6.1% |
| High school graduate: | 3,558 | 10.9% | 26.4% |
| Some college, no degree: | 4,932 | 15.1% | 19.7% |
| Associate degree: | 2,063 | 6.3% | 8.7% |
| Bachelor's degree: | 11,187 | 34.4% | 20.9% |
| Graduate or professional degree: | 8,716 | 26.8% | 13.7% |
| Percent high school graduate or higher: | -- | 93.5% | 89.1% |
| Percent bachelor's degree or higher: | -- | 61.1% | 34.3% |
Income Information (94403 zip code)
| Value | US AvgUS | |
|---|---|---|
| Median household income: | $171,213 / yr. | $75,149 / yr. |
| Mean household income: | $218,114 / yr. | $105,833 / yr. |
| Median family income: | $205,250 / yr. | $92,646 / yr. |
| Per capita income: | $89,987 / yr. | $41,261 / yr. |
Employment (94403 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| In labor force: | 25,997 | -- | 63.5% |
| Employed: | 24,681 | 94.9% | 96.4% |
| Unemployed: | 1,316 | 5.1% | 5.3% |
| Not in labor force: | 10,155 | -- | -- |
| Class of Worker: | -- | -- | -- |
| Private wage and salary: | 20,624 | 83.6% | 79.7% |
| Government workers: | 2,602 | 10.5% | 14.2% |
| Self-employed: | 1,432 | 5.8% | 5.9% |
| Unpaid family workers: | 23 | 0.1% | 0.1% |
Race & Ethnicity (94403 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Race (one race): | -- | -- | -- |
| White: | 19,595 | 44.7% | 61.6% |
| Black or African American: | 847 | 1.9% | 12.4% |
| American Indian/Alaska Native: | 402 | 0.9% | 1.1% |
| Asian: | 13,303 | 30.3% | 6.0% |
| Native Hawaiian/Pacific Islander: | 297 | 0.7% | 0.2% |
| Some other race: | 5,160 | 11.8% | 8.4% |
| Two or more races: | 4,254 | 9.7% | 10.2% |
| Hispanic or Latino (any race): | 7,146 | 16.3% | 18.7% |
| Mexican: | 9,325 | 21.3% | 11.2% |
| Puerto Rican: | 5,198 | 11.9% | 1.8% |
| Cuban: | 242 | 0.6% | 0.7% |
| Other Hispanic or Latino: | 137 | 0.3% | 5.0% |
| Not Hispanic or Latino: | 3,748 | 8.5% | 81.1% |
Income Distribution (94403 zip code)
| Household Income | Households | Percent% | US AvgUS |
|---|---|---|---|
| Less than $10,000: | 550 | 3.3% | 4.9% |
| $10,000 to $14,999: | 113 | 0.7% | 3.8% |
| $15,000 to $24,999: | 514 | 3.1% | 7.0% |
| $25,000 to $34,999: | 538 | 3.2% | 7.4% |
| $35,000 to $49,999: | 860 | 5.2% | 10.7% |
| $50,000 to $74,999: | 1,208 | 7.3% | 16.1% |
| $75,000 to $99,999: | 1,155 | 7.0% | 12.8% |
| $100,000 to $149,999: | 2,479 | 14.9% | 17.1% |
| $150,000 to $199,999: | 2,270 | 13.7% | 8.8% |
| $200,000 or more: | 6,925 | 41.7% | 11.4% |
Commute to Work (94403 zip code)
| Commute Method | Workers | Percent% | US AvgUS |
|---|---|---|---|
| Drove alone: | 14,185 | 57.5% | 67.8% |
| Carpooled: | 1,809 | 7.3% | 8.7% |
| Public transportation: | 1,990 | 8.1% | 4.2% |
| Walked: | 925 | 3.7% | 2.5% |
| Other means: | 773 | 3.1% | 0.9% |
| Worked from home: | 4,642 | 18.8% | 13.8% |
| Mean travel time to work: | 28.5 min | -- | 26.7 min |
Industry (94403 zip code)
| Industry Sector | Workers | Percent% | US AvgUS |
|---|---|---|---|
| Agriculture, forestry, fishing, mining: | 126 | 0.5% | 1.6% |
| Construction: | 905 | 3.7% | 6.9% |
| Manufacturing: | 2,233 | 9.0% | 10.0% |
| Wholesale trade: | 526 | 2.1% | 2.4% |
| Retail trade: | 1,783 | 7.2% | 11.0% |
| Transportation, warehousing, utilities: | 1,254 | 5.1% | 5.8% |
| Information: | 1,775 | 7.2% | 1.9% |
| Finance, insurance, real estate: | 1,656 | 6.7% | 6.7% |
| Professional, scientific, management: | 6,132 | 24.8% | 12.1% |
| Education, health care, social services: | 4,986 | 20.2% | 23.3% |
| Arts, entertainment, food services: | 1,641 | 6.6% | 9.0% |
| Other services: | 973 | 3.9% | 4.7% |
| Public administration: | 691 | 2.8% | 4.7% |
Poverty Status (94403 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Poverty Rate: | -- | 6.1% | 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 (94403 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| With health insurance: | 42,634 | 97.2% | 91.3% |
| Private health insurance: | 36,507 | 83.2% | 67.6% |
| Public health coverage: | 10,805 | 24.6% | 35.9% |
| Without health insurance: | 1,050 | 2.4% | 8.7% |
Benefits & Assistance (94403 zip code)
| Households with: | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Earnings: | 14,008 | 84.3% | 77.4% |
| Social Security income: | 3,876 | 23.3% | 31.0% |
| Retirement income: | 3,255 | 19.6% | 21.8% |
| Supplemental Security Income (SSI): | 476 | 2.9% | 4.5% |
| Cash public assistance income: | 393 | 2.4% | 1.8% |
| SNAP (food stamps) benefits: | 432 | 2.6% | 11.4% |
Housing Types (94403 zip code)
| Structure Type | Units | Percent% | US AvgUS |
|---|---|---|---|
| 1-unit, detached: | 8,689 | 48.4% | 61.4% |
| 1-unit, attached: | 1,601 | 8.9% | 6.1% |
| 2 units: | 178 | 1.0% | 3.4% |
| 3 or 4 units: | 858 | 4.8% | 4.3% |
| 5 to 9 units: | 1,451 | 8.1% | 4.6% |
| 10 to 19 units: | 1,045 | 5.8% | 4.3% |
| 20 or more units: | 4,099 | 22.8% | 9.9% |
| Mobile home: | 0 | 0.0% | 5.8% |
| Boat, RV, van, etc.: | 35 | 0.2% | 0.1% |
Year Structure Built (94403 zip code)
| Year Built | Units | Percent% | US AvgUS |
|---|---|---|---|
| Built 2020 or later: | 0 | 0.0% | 0.6% |
| Built 2010 to 2019: | 1,552 | 8.6% | 8.2% |
| Built 2000 to 2009: | 1,041 | 5.8% | 13.5% |
| Built 1990 to 1999: | 685 | 3.8% | 13.2% |
| Built 1980 to 1989: | 1,478 | 8.2% | 13.2% |
| Built 1970 to 1979: | 2,792 | 15.5% | 14.6% |
| Built 1960 to 1969: | 2,368 | 13.2% | 10.2% |
| Built 1950 to 1959: | 4,794 | 26.7% | 9.9% |
| Built 1940 to 1949: | 2,405 | 13.4% | 4.6% |
| Built 1939 or earlier: | 841 | 4.7% | 12.0% |
Bedrooms (94403 zip code)
| Number of Bedrooms | Units | Percent% | US AvgUS |
|---|---|---|---|
| No bedroom (studio): | 1,135 | 6.3% | 2.4% |
| 1 bedroom: | 3,435 | 19.1% | 3.0% |
| 2 bedrooms: | 4,482 | 25.0% | 9.1% |
| 3 bedrooms: | 5,978 | 33.3% | 15.9% |
| 4 bedrooms: | 2,449 | 13.6% | 18.8% |
| 5 or more bedrooms: | 477 | 2.7% | 17.6% |
Heating Fuel (94403 zip code)
| Fuel Type | Units | Percent% | US AvgUS |
|---|---|---|---|
| Utility gas: | 10,332 | 62.2% | 47.1% |
| Bottled, tank, or LP gas: | 326 | 2.0% | 4.9% |
| Electricity: | 5,456 | 32.8% | 40.2% |
| Fuel oil, kerosene, etc.: | 26 | 0.2% | 4.2% |
| Coal or coke: | 0 | 0.0% | 0.1% |
| Wood: | 0 | 0.0% | 1.5% |
| Solar energy: | 143 | 0.9% | 0.1% |
| Other fuel: | 0 | 0.0% | 0.5% |
| No fuel used: | 329 | 2.0% | 0.2% |
Vehicles Available (94403 zip code)
| Vehicles | Households | Percent% | US AvgUS |
|---|---|---|---|
| No vehicle available: | 985 | 5.9% | 8.3% |
| 1 vehicle available: | 5,431 | 32.7% | 32.6% |
| 2 vehicles available: | 7,004 | 42.2% | 37.0% |
| 3 or more vehicles available: | 3,192 | 19.2% | 22.1% |
Home Value Distribution (94403 zip code)
| Value Range | Owner Units | Percent% | US AvgUS |
|---|---|---|---|
| Less than $50,000: | 60 | 0.7% | 5.7% |
| $50,000 to $99,999: | 13 | 0.1% | 7.8% |
| $100,000 to $149,999: | 37 | 0.4% | 9.2% |
| $150,000 to $199,999: | 21 | 0.2% | 10.8% |
| $200,000 to $299,999: | 20 | 0.2% | 19.9% |
| $300,000 to $499,999: | 98 | 1.1% | 24.1% |
| $500,000 to $999,999: | 1,129 | 12.9% | 17.0% |
| $1,000,000 or more: | 7,389 | 84.3% | 5.6% |
Housing Costs (94403 zip code)
| Value | US AvgUS | |
|---|---|---|
| Median owner costs (with mortgage): | $4,001 / mo. | $1,828 / mo. |
| Median owner costs (no mortgage): | $869 / mo. | $584 / mo. |
| Median gross rent: | $3,166 / mo. | $1,268 / mo. |
| Average household size (owner-occupied): | 2.72 | 2.53 |
| Average household size (renter-occupied): | 2.44 | 2.38 |
Households (94403 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Total households: | 16,612 | -- | -- |
| Married-couple households: | 9,247 | 55.7% | 47.5% |
| Cohabiting couple households: | 3,901 | 23.5% | 7.0% |
| Male householder, no spouse: | 2,879 | 17.3% | 5.4% |
| Female householder, no spouse: | 3,583 | 21.6% | 12.7% |
| Householder living alone: | 4,805 | 28.9% | 28.6% |
| 65 years and over living alone: | 4,693 | 28.3% | 11.8% |
| Average household size: | 2.59 | -- | 2.53 |
| Average family size: | 3.14 | -- | -- |
Marital Status (94403 zip code)
| Population 15 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Total: | 18,542 | -- | -- |
| Never married: | 6,539 | 35.3% | 37.0% |
| Now married: | 10,605 | 57.2% | 49.5% |
| Separated: | 369 | 2.0% | 1.5% |
| Widowed: | 937 | 5.1% | 2.6% |
| Divorced: | 4,931 | 26.6% | 9.3% |
School Enrollment (94403 zip code)
| Population 3 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Enrolled in school: | 8,981 | -- | -- |
| Nursery school, preschool: | 486 | 5.4% | 5.8% |
| Kindergarten: | 395 | 4.4% | 5.0% |
| Elementary school (grades 1-8): | 3,847 | 42.8% | 40.5% |
| High school (grades 9-12): | 1,907 | 21.2% | 21.4% |
| College or graduate school: | 2,346 | 26.1% | 27.3% |
Veterans & Disability (94403 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Civilian population 18 years and over: | 35,332 | -- | -- |
| Veterans: | 1,218 | 3.4% | 6.3% |
| Civilian noninstitutionalized population: | 43,684 | -- | -- |
| With a disability: | 3,977 | 9.1% | 13.4% |
| Under 18 with disability: | 412 | 10.4% | 5.8% |
| 18 to 64 with disability: | 1,372 | 34.5% | 10.4% |
| 65 and over with disability: | 2,193 | 55.1% | 33.4% |
Mobility (Residence 1 Year Ago) (94403 zip code)
| Population 1 year and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Same house: | 34,935 | 79.7% | 86.9% |
| Different house: | 8,337 | 19.0% | 13.1% |
| Same county: | 3,987 | 47.8% | 7.0% |
| Different county: | 3,725 | 44.7% | 3.2% |
| Different state: | 1,411 | 16.9% | 2.5% |
| Abroad: | 625 | 7.5% | 0.4% |
Place of Birth (94403 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Native born: | 28,584 | 65.2% | 86.2% |
| Foreign born: | 760 | 1.7% | 13.9% |
| Naturalized citizen: | 15,274 | 2009.7% | 52.7% |
| Not a citizen: | 15,274 | 2009.7% | 47.3% |
| Foreign-born by region: | -- | -- | -- |
| Europe: | 15,274 | 2009.7% | 10.5% |
| Asia: | 1,407 | 185.1% | 31.3% |
| Africa: | 549 | 72.2% | 5.5% |
| Oceania: | 240 | 31.6% | 0.5% |
| Latin America: | 3,953 | 520.1% | 50.0% |
| Northern America: | 363 | 47.8% | 2.2% |
Language Spoken at Home (94403 zip code)
| Population 5 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Total: | 41,354 | -- | -- |
| English only: | 24,507 | 59.3% | 78.3% |
| Language other than English: | 16,847 | 40.7% | 21.5% |
| By language: | -- | -- | -- |
| Spanish: | 5,291 | 12.8% | 13.3% |
| Other Indo-European languages: | 3,960 | 9.6% | 3.5% |
| Asian/Pacific Island languages: | 7,293 | 17.6% | 3.5% |
| Other languages: | 303 | 0.7% | 1.0% |
Computers & Internet (94403 zip code)
| Households | Percent% | US AvgUS | |
|---|---|---|---|
| Households with a computer: | 16,612 | 100.0% | 93.1% |
| Households with broadband internet: | 16,168 | 97.3% | 89.4% |
San Mateo, CA94403