San Martin, CA demographics:
population, income, and more

Total population
6,954
-3.4% year-over-year change
Median household income
$158,250/yr
1.2% year-over-year change
Housing units
2,065
-7.2% year-over-year change

San Martin population

How many people live in San Martin

San Martin is home to 6,954 residents, according to the most recent Census data. Gender-wise, 49.2% of San Martin locals are male, and 50.8% are female.

Total population
6,954
-3.4% year-over-year change
Gender ratio
Male
49.2%
3,422
Female
50.8%
3,532
Value Percent YoY change
Male 3,422 49.2% -2.6%
Female 3,532 50.8% -4.2%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in San Martin is 47, with the population distributed as follows: about 15.6% are children under 15, then 10.9% are in the 15 to 24 age group. Adults between 25 and 44 make up 21% of the population, while another 32.7% fall into the 45 to 64 bracket. Finally, around 19.9% are 65 or older.

Median age
46.8
Age breakdown
Under 15
15.6%
15 to 24
10.9%
25 to 44
21%
45 to 64
32.7%
Over 65
19.9%
Value Percent YoY change
Under 15 1,082 15.6% 14.4%
15 to 24 760 10.9% -2.3%
25 to 44 1,460 21% -7.2%
45 to 64 2,271 32.7% -6.5%
Over 65 1,381 19.9% -6.2%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In San Martin, 80.8% of the population are US-born citizens, while 12.5% have gained naturalized citizenship. At the same time, 6.7% of residents are non-citizens. As for race, 48.6% of locals are Caucasian, 3.4% are African American and 6.3% have Asian roots. There’s also a share of 29.1% that includes residents with two or more races.

Citizenship
U.S.-born citizens
80.8%
Non-U.S.-born citizens
12.5%
Non-citizens
6.7%
Value Percent YoY change
U.S.-born citizens 5,617 80.8% -0.9%
Non-U.S.-born citizens 872 12.5% -6.9%
Non-citizens 465 6.7% -21.4%
Racial breakdown
White
48.6%
Black or African American
3.4%
American Indian and Alaska Native
2.8%
Asian
6.3%
Native Hawaiian and other Pacific Islander
0%
Two or more races
29.1%
Other
9.8%
Value Percent
White 3,381 48.6%
Black or African American 240 3.4%
American Indian and Alaska Native 191 2.8%
Asian 438 6.3%
Two or more races 2,022 29.1%
Other 682 9.8%

Households in San Martin

A peek inside San Martin households

San Martin has 2,007 households, with an average of 3 members in each. Of these, 84.4% are families, while the remaining 15.6% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
2,007
-5.6% year-over-year change
Average people per household
3
Non-family households
314
Family households
1,693
Value Percent YoY change
Non-family households 314 15.6% 5.0%
Family households 1,693 84.4% -7.4%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in San Martin

The housing landscape of San Martin

San Martin's housing consists of 2,065 units, with 90.6% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 4.6% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 4.2% of the housing landscape.

Housing units
2,065
-7.2% year-over-year change
Housing types
Value Percent
1 unit, detached 1,871 90.6%
1 unit, attached 95 4.6%
50 or more units 12 0.6%
Mobile home 87 4.2%
Homes built since 2020
22
-26.7% year-over-year change

The age of buildings in San Martin

In San Martin, the median construction year is 1975. About 4.8% of homes were built before the 1940s, with another 6.2% going up by 1949. Most development happened in the second half of the 20th century. Then, 9.5% of homes were added from 2000 to 2009, 2.3% between 2010 and 2019, and 1.1% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 99 4.8% -37.3%
Built between 1940 and 1949 127 6.2% -5.2%
Built between 1950 and 1959 170 8.2% -25.1%
Built between 1960 and 1969 271 13.1% -12.3%
Built between 1970 and 1979 677 32.8% -0.6%
Built between 1980 and 1989 302 14.6% 3.8%
Built between 1990 and 1999 152 7.4% 31.0%
Built between 2000 and 2009 197 9.5% -9.6%
Built between 2010 and 2019 48 2.3% -20.0%
Built in 2020 or later 22 1.1% -26.7%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

San Martin occupancy rates

Out of the 2,007 occupied housing units in San Martin, 77.8% are owner-occupied, while 22.2% are lived in by tenants. Meanwhile, 2.8% of all homes on the local market sit vacant.

Occupied housing units
2,007
-5.6% year-over-year change
Occupancy breakdown
Renter occupied
446
Owner occupied
1,561
Value Percent YoY
change
Renter occupied 446 22.2% -17.1%
Owner occupied 1,561 77.8% -1.8%
Unoccupied housing units
2.8%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

San Martin housing costs

Housing costs in San Martin come to a median of $3,135 per month, while tenants specifically pay a median gross rent of $2,613.

Median housing costs per month
$3,135/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in San Martin
$2,613/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in San Martin

San Martin education at a glance

About 27.2% of the population in San Martin went to high school, while 27.3% pursued college studies. Another 5.6% earned an associate degree and 22.9% hold a bachelor’s. Meanwhile, 11.3% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 316 5.6% -3.7%
High school diploma 1,521 27.2% -14.4%
College diploma 1,529 27.3% -2.5%
Associate degree 314 5.6% -4.3%
Bachelor's degree 1,280 22.9% -5.4%
Graduate degree 634 11.3% 9.9%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in San Martin

How much people earn in San Martin

The average annual household income in San Martin was $209,704 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +5.7% change from the previous year. At the same time, the median income stood at $158,250, reflecting a +1.2% shift over the same period.

Average household income in San Martin
$209,704/year
5.7% year-over-year change
Median household income in San Martin
$158,250/year
1.2% year-over-year change

San Martin income by age

In San Martin, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $175,000. Those with someone between 45 and 64 in charge, often well established professionally, earn $201,929 overall. Overall, 92.1% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $175,000 6.9%
45 - 64 $201,929 0.9%
Over 65 $115,486 1.5%
Above poverty level
6,312
Below poverty level
543
Value Percent YoY
change
Above poverty level 6,312 92.1% -4.8%
Below poverty level 543 7.9% 17.5%

Average renter income in San Martin

To get a better sense of what renters earn on average in San Martin, their median household income was $91,523 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 34.3%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$91,523
Rent-to-income ratio
34.3%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in San Martin

Workforce and job types in San Martin

The job market in San Martin is powered by 3,440 working residents, spread across a range of industries and roles. 79.7% of the working population are employed in professional or administrative positions, while 20.3% are in hands-on or service-based jobs. Also, 26.6% run their own businesses, 58.3% are employed by private companies, and 11.3% work in the public sector.

Workforce demographics

Working population
3,440
-4.8% year-over-year change
White collar
2,743
Blue collar
697
Value Percent YoY change
White collar 2,743 79.7% -7.9%
Blue collar 697 20.3% 9.9%
Employer type
Self employees
26.6%
Private companies
58.3%
Governmental workers
11.3%
Not for profit companies
3.9%
Value Percent YoY change
Self employees 915 26.6% 0.6%
Private companies 2,004 58.3% -4.3%
Governmental workers 388 11.3% -16.2%
Not for profit companies 133 3.9% -8.3%
Unemployment rate
2.8%
-32.2% year-over-year change

Available workforce

The unemployment rate in San Martin stands at 2.8%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in San Martin

How people get around in San Martin

Commuting methods vary: 66.4% of residents travel by personal vehicle and 6.7% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 2,234 66.4% -5.3%
Walk 225 6.7% -5.1%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in San Martin by zipcode?

Zipcode Population Number of households Median income Average income
95046 6,324 1,797 $158,550 $220,975

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FAQs about San Martin demographics 

What is the total population of San Martin?

San Martin has a total population of 6,954 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -3.4% compared to a year ago.

What is the gender ratio in San Martin?

The gender ratio in San Martin is as follows:
  • 49.2% males (3,422 residents)
  • 50.8% females (3,532 residents)

What is the median age in San Martin?

The median age in San Martin is 46.8.

What is the age distribution of the population in San Martin?

The age distribution in San Martin is as follows:
  • Under 15: 15.6% (1,082 residents)
  • Ages 15-24: 10.9% (760 residents)
  • Ages 25-44: 21% (1,460 residents)
  • Ages 45-64: 32.7% (2,271 residents)
  • Over 65: 19.9% (1,381 residents)

What is the racial and ethnic makeup of San Martin?

The racial and ethnic makeup of San Martin is as follows:
  • White: 48.6% (3,381 residents)
  • Black or African American: 3.4% (240 residents)
  • American Indian and Alaska Native: 2.8% (191 residents)
  • Asian: 6.3% (438 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 29.1% (2,022 residents)
  • Other: 9.8% (682 residents)

What percentage of the population in San Martin are U.S.-born citizens?

U.S.-born citizens represent 80.8% of the population in San Martin.

How many housing units are there in San Martin?

There are 2,065 housing units in San Martin, reflecting a -7.2% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in San Martin and what is the average household size?

San Martin has a total of 2,007 households, with an average of 3 people in each.

What is the median household income in San Martin?

San Martin has a median household income of $158,250, representing a +1.2% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for San Martin?

The employment rate is 97.2% in San Martin, with a workforce of 3,440 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 79.7% (2,743 residents)
  • Blue-collar workers: 20.3% (697 residents)

Places of employment:
  • Self-employed: 26.6% (915 residents)
  • Private companies: 58.3% (2,004 residents)
  • Governmental workers: 11.3% (388 residents)
  • Not-for-profit companies: 3.9% (133 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025