San Mateo, New Mexico Population & Demographics

Get 300+ Local Insights for Any Address in San Mateo, NM

Get Access to 300+ Local Data Points

Statistic	San Mateo	New Mexico	National
Population	200	2,151,878	336,919,644
Population density (sq mi)	41	18	91
Median age	7.8	37.2	37.7
Male/Female ratio	0.7:1	1.0:1	1.0:1
Married (15yrs & older)	100%	52%	55%
Families w/ Kids under 18	100%	42%	43%
Speak English	100%	65%	79%
Speak Spanish	0%	28%	13%

See Who Lives in the Area Before Buying!

Know the community before you call it home
Get clear insights into age, income, education, etc.
Access over 300 data points for any address

GET REPORT →

Demographics Quick Facts

The population density in San Mateo is 133% higher than New Mexico
The median age in San Mateo is 79% lower than New Mexico
In San Mateo 100.00% of the population is White
In San Mateo 0.00% of the population is Black
In San Mateo 0.00% of the population is Asian

Compare San Mateo, NM Demographics

San Mateo racial demographics

Race	San Mateo	New Mexico	National
White	100.00%	73.49%	73.35%
Black	0.00%	2.01%	12.63%
Asian	0.00%	1.40%	5.22%
American Indian	0.00%	9.28%	0.82%
Native Hawaiian	0.00%	0.06%	0.18%
Mixed race	0.00%	3.26%	3.06%
Other race	0.00%	10.49%	4.75%

In San Mateo, 0.0% of people are of Hispanic or Latino origin.
Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

The best places in New Mexico

Here are the best places to live in New Mexico

These are the largest cities in New Mexico

Most Dangerous States In The US

These are the 10 cheapest cities in New Mexico

Household income distribution

Place of birth by citizenship

San Mateo age breakdown

Marital status

Age of children in married couples

Source: The San Mateo, NM demographics data displayed above is derived from the United States Census Bureau American Community Survey (ACS) and include 2026 modeled data developed using proprietary methodologies.