San Ildefonso Pueblo, New Mexico Demographics & Population 2026

A note before these figures: with a population of 737, San Ildefonso Pueblo's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.

Population Overview

San Ildefonso Pueblo is a small community located in New Mexico, within Santa Fe County. The total population is 737. It ranks as the 193rd most populous out of 495 Census-designated places in New Mexico.

Age Demographics

The median age in San Ildefonso Pueblo is 33.2 years. This is 16% lower than the state median of 39.4 years. With 29.0% of the population under 18, San Ildefonso Pueblo has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in San Ildefonso Pueblo is $91,042. This is 42% higher than the state median of $64,059. It is also 13% higher than the national median of $80,734. The poverty rate stands at 10.6%. This is 41% lower than the state poverty rate of 17.8%. The unemployment rate is 7.4%. This is 25% higher than the state rate of 6.0%. The median home value is $190,900. Housing costs are 23% lower than the state median of $248,100. With a home-value-to-income ratio of just 2.1x, San Ildefonso Pueblo is one of the most affordable housing markets in the area. 82.3% of occupied housing units are owner-occupied. This homeownership rate is 18% higher than the state average of 70.0%.

Race & Ethnicity

San Ildefonso Pueblo is a highly diverse community where no single racial or ethnic group constitutes a majority of the population. White (non-Hispanic) residents account for 5.8%. The White (non-Hispanic) population (5.8%) is well below the state average of 36.0%. The Hispanic or Latino population (21.7%) is well below the state average of 48.4%. The Asian population (0.7%) is well below the state average of 1.6%.

Education

19.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 38% lower than the state rate of 31.0%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 92.2%.

Data Sources & Methodology

All demographic data for San Ildefonso Pueblo, New Mexico is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against New Mexico state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 495 Census-designated places in New Mexico. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.