Santa Teresa: Demographics & People

About 6,041 people live in Santa Teresa, in 2,125 households. Population grew 1.1% from 5,973 (2022) to 6,041 (2024). Median age 33.2 years. (1.1y younger than Doña Ana County; 6.5y younger than New Mexico). Children under 18 are 27% of the population. Population is 84% Hispanic or Latino and 12% White (non-Hispanic). 63% of households are family-led. County health: 36% adult obesity, 15% smoke.

Population & Trend

Population grew 1.1% from 5,973 (2022) to 6,041 (2024) — about 1.9× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~6,110 (extrapolated at 0.6%/yr trend). Census Bureau Vintage estimate: 6,203.

Census data vintage2024
Population219,561 people
Annual growth rate · Population change1.1%
Annual growth rate · Population (2022)5,973
Annual growth rate · Population (2024)6,041
Annual growth rate · Population growingYes
Annual growth rate · Trend categorygrowing
Population6,041 people
Population Estimate6,203

Sources: Census ACS 5-Year 2023, Table B01003  ·  Refreshed 2026-04-12

Age Distribution

Median age 33.2y is 5.7 years younger than the U.S. median (38.9y). Children under 18 make up 27% — above the U.S. share of ~22%.

Age Summary · Median age33.2 years (vs New Mexico 39.7y)
Age Summary · Children Pct27.2%
Age Summary · Characteryoung professional
Population under 181,645
Median age33.2 years (vs New Mexico 39.7y)

Sources: Census ACS 5-Year 2023  ·  Refreshed 2026-04-12

Race, Ethnicity & Diversity

Of 6,041 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups).

White residents2,380
Black residents47
Asian residents45
Hispanic or Latino residents4,851
Diversity Index · Simpson Index20.0%
Diversity Index · Interpretationless diverse
Black population0.8%
Hispanic or Latino population83.7%
White (non-Hispanic) population12.5%

Sources: Census ACS 5-Year 2023  ·  Refreshed 2026-04-12

Ancestry

Self-reported ancestry from Census ACS — what residents report as their ethnic origin, separate from race. Counts can exceed population because people can list multiple ancestries.

Top (8)

(unnamed)
Hispanic Total
(unnamed)
Puerto Rican
(unnamed)
German
(unnamed)
American
(unnamed)
English
(unnamed)
Irish
(unnamed)
Italian
(unnamed)
Asian

Citizenship & Origin

Where residents were born and their citizenship status (Census ACS). 1.9% are foreign-born — below the U.S. average of 13.9%. 23% have naturalized to U.S. citizenship.

Residents born in this state701
Residents born in another state3,856
Share born in this state11.6%
Share born in another state88.4%
Native-born U.S. citizens63.8%
Foreign-born residents1.9%
Naturalized citizens22.6%
Total foreign-born residents1,128
From Europe41

Households & Family Composition

2,125 households. Averaging 2.8 people each — larger than the U.S. average of 2.5. 63% are family households — near the U.S. share of ~65%. Of 1,317 families, 24% are married couples with children.

Children under 181,382
Total families1,317
Married couples with children310
Single-parent households86
Average household size2.78
Women who gave birth (past year)14.6%
Grandparents living with grandchildren4,800
Grandparents responsible for grandchildren1,766
Family households1,344 households
Households that are families63.2%
Total households2,125 households

Sources: Census ACS 5-Year 2023  ·  Refreshed 2026-04-12

Residential Stability & Migration

How long residents have lived here and where they came from. 22.1% moved within the county in the past year — the U.S. baseline is roughly 8–10%.

Moved within the county (past year)22.1%
Migration · People moving in (annual)194,947
Migration · People moving out (annual)194,932
Migration · Net migration (in − out)15
Migration · Population growingYes
Migration · Year2022-2023

Sources: IRS SOI Migration 2021-2022  ·  Refreshed 2026-04-12

Disability

Census ACS measures self-reported functional limitations — vision, hearing, mobility, cognitive, self-care, or independent-living. The U.S. baseline disability rate is about 12–13%; rates trend higher with median age.

Residents with a disability763
Disability rate11.9%

Other

Congressional District · District2
Congressional District · Congress118th
Cdc Birth Rate · Fips35,013
Cdc Birth Rate · State Fips35
Cdc Birth Rate · County Fips13
Cdc Birth Rate · CountyDona Ana
Cdc Birth Rate · Birth Rate24.5%
Cdc Birth Rate · Lower Ci22.80
Cdc Birth Rate · Upper Ci26.20
Cdc Mortality · Fips35,013
Cdc Mortality · CountyDona Ana County
Cdc Mortality · Urban RuralSmall metro
Cdc Mortality · Total Deaths 2020 20237,935
Cdc Vaccination · Fips35,013
Cdc Vaccination · CountyDona Ana County
Cdc Vaccination · Dose1 Pop Pct95.0%
Cdc Vaccination · Series Complete Pct80.3%
Cdc Vaccination · Booster Pct50.6%
Cdc Vaccination · Population 2019218,195
Cdc Vaccination · Metro StatusMetro
Family Score · Score2.80
Family Score · Schools3
Family Score · Childcare Centers1
Family Score · Children Pct27.2%
Family Score · Ratinglimited
Town Summary · Key Factspopulation 6,041, growing, young professional, middle-class, mixed
Town Summary · Population6,041 people
Town Summary · CountyDoña Ana County

Sources: NCES school congressional district assignment · federal dataset cascade