San Mateo, NM demographics:
population, income, and more

Total population
602
-17.1% year-over-year change
Median household income
$77,745/yr
% year-over-year change
Housing units
166
-5.1% year-over-year change

San Mateo population

How many people live in San Mateo

San Mateo is home to 602 residents, according to the most recent Census data. Gender-wise, 38.7% of San Mateo locals are male, and 61.3% are female.

Total population
602
-17.1% year-over-year change
Gender ratio
Male
38.7%
233
Female
61.3%
369
Value Percent YoY change
Male 233 38.7% 2.2%
Female 369 61.3% -25.9%
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

Adults between 25 and 44 make up 36.5% of the population, while another 26.9% fall into the 45 to 64 bracket. Finally, around 1.7% are 65 or older.

Median age
25.6
Age breakdown
Under 15
34.9%
15 to 24
0%
25 to 44
36.5%
45 to 64
26.9%
Over 65
1.7%
Value Percent YoY change
Under 15 210 34.9% 24.3%
25 to 44 220 36.5% -40.5%
45 to 64 162 26.9% -3.0%
Over 65 10 1.7% -50.0%
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

There’s also a share of 24.4% that includes residents with two or more races.

Citizenship
U.S.-born citizens
100%
Non-U.S.-born citizens
0%
Non-citizens
0%
Value Percent YoY change
U.S.-born citizens 602 100% -17.1%
Racial breakdown
White
37.9%
Black or African American
0%
American Indian and Alaska Native
10.8%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
24.4%
Other
26.9%
Value Percent
White 228 37.9%
American Indian and Alaska Native 65 10.8%
Two or more races 147 24.4%
Other 162 26.9%

Households in San Mateo

A peek inside San Mateo households

San Mateo has 166 households, with an average of 4 members in each. Of these, 57.8% are families, while the remaining 42.2% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
166
-5.1% year-over-year change
Average people per household
4
Non-family households
70
Family households
96
Value Percent YoY change
Non-family households 70 42.2% -4.1%
Family households 96 57.8% -5.9%
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 Mateo

The housing landscape of San Mateo

San Mateo's housing consists of 166 units, with 44.6% being detached single-family homes ideal for those wanting space. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 55.4% of the housing landscape.

Housing units
166
-5.1% year-over-year change
Housing types
Value Percent
1 unit, detached 74 44.6%
Mobile home 92 55.4%
Homes built since 2020
0
% year-over-year change

The age of buildings in San Mateo

In San Mateo, the median construction year is 1991. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built between 1960 and 1969 70 42.2% -4.1%
Built between 1970 and 1979 4 2.4% -50.0%
Built between 1990 and 1999 92 55.4% -2.1%
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 Mateo occupancy rates

Occupied housing units
166
-5.1% year-over-year change
Occupancy breakdown
Renter occupied
0
Owner occupied
166
Value Percent YoY
change
Owner occupied 166 100% -5.1%
Unoccupied housing units
0.0%
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.

Education in San Mateo

San Mateo education at a glance

About 38.3% of the population in San Mateo went to high school, while 37.2% pursued college studies. Another earned an associate degree and 1% hold a bachelor’s. Meanwhile, 23.5% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
High school diploma 150 38.3% -44.9%
College diploma 146 37.2% -20.2%
Bachelor's degree 4 1% -50.0%
Graduate degree 92 23.5% -2.1%
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 Mateo

How much people earn in San Mateo

The average annual household income in San Mateo was $59,491 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +4.3% change from the previous year.

Average household income in San Mateo
$59,491/year
4.3% year-over-year change
Median household income in San Mateo
$77,745/year
% year-over-year change

San Mateo income by age

Overall, 100% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Above poverty level
602
Below poverty level
0
Value Percent YoY
change
Above poverty level 602 100% -17.1%

Employment in San Mateo

Workforce and job types in San Mateo

The job market in San Mateo is powered by 98 working residents, spread across a range of industries and roles. 6.1% of the working population are employed in professional or administrative positions, while 93.9% are in hands-on or service-based jobs.

Workforce demographics

Working population
98
-7.5% year-over-year change
White collar
6
Blue collar
92
Value Percent YoY change
White collar 6 6.1% -50.0%
Blue collar 92 93.9% -2.1%
Employer type
Self employees
100%
Private companies
0%
Governmental workers
0%
Not for profit companies
0%
Value Percent YoY change
Self employees 98 100% -7.5%

Transportation in San Mateo

How people get around in San Mateo

Means of transportation
Value Percent YoY change
Car 98 100% -7.5%
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.

Explore more communities

FAQs about San Mateo demographics 

What is the total population of San Mateo?

San Mateo has a total population of 602 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 -17.1% compared to a year ago.

What is the gender ratio in San Mateo?

The gender ratio in San Mateo is as follows:
  • 38.7% males (233 residents)
  • 61.3% females (369 residents)

What is the median age in San Mateo?

The median age in San Mateo is 25.6.

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

The age distribution in San Mateo is as follows:
  • Under 15: 34.9% (210 residents)
  • Ages 15-24: 0% (0 residents)
  • Ages 25-44: 36.5% (220 residents)
  • Ages 45-64: 26.9% (162 residents)
  • Over 65: 1.7% (10 residents)

What is the racial and ethnic makeup of San Mateo?

The racial and ethnic makeup of San Mateo is as follows:
  • White: 37.9% (228 residents)
  • Black or African American: 0% (0 residents)
  • American Indian and Alaska Native: 10.8% (65 residents)
  • Asian: 0% (0 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 24.4% (147 residents)
  • Other: 26.9% (162 residents)

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

U.S.-born citizens represent 100% of the population in San Mateo.

How many housing units are there in San Mateo?

There are 166 housing units in San Mateo, reflecting a -5.1% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

San Mateo has a total of 166 households, with an average of 4 people in each.

What is the median household income in San Mateo?

San Mateo has a median household income of $77,745, representing a % shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for San Mateo?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 6.1% (6 residents)
  • Blue-collar workers: 93.9% (92 residents)

Places of employment:
  • Self-employed: 100% (98 residents)
  • Private companies: 0% (0 residents)
  • Governmental workers: 0% (0 residents)
  • Not-for-profit companies: 0% (0 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