County · New Mexico

San Miguel County, New Mexico

San Miguel County, New Mexico. San Miguel County had 26,260 residents in 2025 by the Census Bureau's estimate, down 3.5% since 2020, while New Mexico grew 0.4%. It holds 15 places (3 cities, villages and boroughs and 12 census-designated) and 10 census tracts. GEOID 35047.

San Miguel County is one of the 2 counties of the Las Vegas, NM micropolitan statistical area (the Census Bureau's July 2023 delineation).

Residents, July 2025 estimate

26,260

Census Bureau estimate (no margin published)
2020 Census count: 27,201 · ACS 2020-2024: 26,850

Median household income

$49,431

±$3,657 (90% margin)
New Mexico: $64,059

Median home value

$188,500

±$18,158 (90% margin)
New Mexico: $248,100

Median gross rent

$823

±$86 (90% margin)
New Mexico: $1,067

How many people live in San Miguel County, and is it growing?

The 2020 Census counted 27,201 residents in San Miguel County. The Census Bureau estimates 26,260 for July 1, 2025, down 3.5% since 2020, while New Mexico grew 0.4%. The 2020-2024 American Community Survey puts the population at 26,850 over 4,722 square miles of land.

July 2020→2021 +24 (27,158)
2021→2022 −279 (26,879)
2022→2023 −242 (26,637)
2023→2024 −203 (26,434)
2024→2025 −174 (26,260)

San Miguel County in New Mexico. Boundaries: Census Bureau 2024.

Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
Measure	San Miguel County	New Mexico	Change since 2015-2019
Total population	26,850	2,120,246	−888
Households	11,931±366	837,414	no clear change
Average household size	2.16±0.07	2.48	no clear change
Housing units	14,867±31	956,964	−1,117

San Miguel County's population since 2000

From 30,126 in 2000 to 26,260 in 2025: down 12.8%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

2000 Census 30,126
2005 (estimate) 29,621
2010 Census 29,393
2015 (estimate) 28,223
2020 Census 27,201
2025 (estimate) 26,260

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov

What cities and towns are in San Miguel County?

San Miguel County holds 15 places: 3 cities, villages and boroughs (incorporated places) and 12 census-designated places. The largest is Las Vegas with 12,574 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in San Miguel County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.

Las Vegas	city	13,166	13,000±28	$45,125	$155,300	32.0%	100%
Pecos	village	1,392	1,204±353	$88,490	$302,700	9.7%	100%
East PecosGEOID 3522230	CDP	660	643±458	not published	not published	3.6%	100%
RiberaGEOID 3562760	CDP	314	162±80	$56,326	not published	9.0%	100%
RoweGEOID 3565000	CDP	304	516±462	$115,976	$199,300	0.0%	100%
TecoloteGEOID 3576760	CDP	234	126±145	not published	$188,800	0.0%	100%
VillanuevaGEOID 3583130	CDP	207	283±141	not published	not published	0.0%	100%
TecolotitoGEOID 3576830	CDP	204	465±423	not published	not published	58.9%	100%
Conchas DamGEOID 3517260	CDP	194	282±172	not published	not published	0.0%	100%
SenaGEOID 3571790	CDP	155	155±135	not published	not published	38.7%	100%
SohamGEOID 3573680	CDP	147	60±88	not published	not published	0.0%	100%
North San YsidroGEOID 3552680	CDP	125	210±235	not published	not published	0.0%	100%
PuebloGEOID 3559840	CDP	88	86±75	not published	$256,300	0.0%	100%
San Jose (San Miguel County)GEOID 3568500	CDP	67	87±104	not published	not published	0.0%	100%
MosqueroGEOID 3550300	village	98	25±14	not published	$103,100	16.0%	0%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov

Who lives in San Miguel County?

The median resident of San Miguel County is 47.2 years old; 16.9% are under 18 and 25.6% are 65 or older. The largest group is Hispanic or Latino residents (of any race) at 75.2%, then non-Hispanic white residents at 17.6%. 2.4% of residents were born outside the United States.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
Measure	San Miguel County	New Mexico	Change since 2015-2019
Median age	47.2±1.2	39.4	+3.2
Under 18 years	16.9%±0.4 pts	21.7%	–
65 years and over	25.6%±0.1 pts	19.3%	–
Hispanic or Latino (any race)	75.2%	48.4%	−2.5 pts
White alone, not Hispanic	17.6%±1.0 pts	36.0%	no clear change
Black or African American alone, not Hispanic	1.3%±0.5 pts	1.8%	no clear change
Asian alone, not Hispanic	0.4%±0.3 pts	1.6%	–
American Indian and Alaska Native alone, not Hispanic	1.4%±0.6 pts	8.5%	–
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0.0%±0.2 pts	0.1%	–
Two or more races, not Hispanic	3.1%±1.0 pts	3.1%	–
Some other race alone, not Hispanic	1.0%±0.7 pts	0.5%	–
Born outside the United States	2.4%±0.8 pts	9.4%	no clear change
Speak a language other than English at home (age 5+)	46.1%±2.2 pts	31.3%	–
Civilian veterans (age 18+)	7.5%±1.3 pts	7.9%	–
With a disability	23.5%±2.3 pts	17.0%	–
No health insurance coverage	7.1%±1.6 pts	9.6%	no clear change
High school graduate or higher (age 25+)	86.5%±2.4 pts	88.0%	–
Bachelor's degree or higher (age 25+)	26.5%±2.9 pts	31.0%	+5.1 pts
Graduate or professional degree (age 25+)	11.1%±2.0 pts	13.9%	–
Moved from another state in the past year	2.2%±1.0 pts	3.0%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in San Miguel County earn?

Half of San Miguel County's 11,931 households earn less than $49,431 a year (±$3,657), against $64,059 in New Mexico. In 2015-2019 the median was $38,085 in 2024 dollars, so it rose by $11,346 after inflation. 24.4% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
Measure	San Miguel County	New Mexico	Change since 2015-2019
Median household income	$49,431±$3,657	$64,059	+$11,346
Mean household income	$65,851±$4,385	$88,155	–
Per capita income	$29,632±$1,500	$36,218	+$4,080
People below the poverty line	24.4%±3.8 pts	17.8%	no clear change
Children under 18 below the poverty line	37.3%±10.4 pts	24.0%	no clear change
Households receiving SNAP	29.2%±3.6 pts	19.2%	–
Households with a broadband subscription	78.6%±3.0 pts	86.5%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in San Miguel County?

Owners occupy 73.1% of San Miguel County's occupied homes and renters 26.9%. The median owner-occupied home is valued at $188,500 by its owner (±$18,158). The median renter pays $823 a month including utilities, and 48.6% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
Measure	San Miguel County	New Mexico	Change since 2015-2019
Median home value (owner-occupied)	$188,500±$18,158	$248,100	no clear change
Median gross rent	$823±$86	$1,067	no clear change
Renters paying 35% or more of income on rent	48.6%±10.0 pts	41.7%	no clear change
Median monthly owner costs, with a mortgage	$1,418±$146	$1,564	–
Owner-occupied homes	73.1%±2.5 pts	70.0%	no clear change
Housing units	14,867±31	956,964	−1,117
Homeowner vacancy rate	0.6%±0.6 pts	1.0%	–
Rental vacancy rate	5.8%±4.0 pts	5.9%	–
Single-family detached homes	56.4%±3.5 pts	64.5%	–
Mobile homes	29.9%±3.4 pts	15.5%	–
Built 2020 or later	0.4%±0.3 pts	1.4%	–
Built 1939 or earlier	16.4%±2.6 pts	4.4%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How many new homes is San Miguel County building?

Builders took permits for 0 new housing units across San Miguel County in 2025 (0 single-family), 0.0 per 1,000 residents.

2019 1 units
2020 3 units
2021 0 units
2022 0 units
2023 0 units
2024 0 units
2025 0 units

Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in San Miguel County get to work?

73.9% of San Miguel County's workers drive alone and 11.2% work from home. The average trip to work takes 22.7 minutes. The unemployment rate in 2020-2024 averaged 4.8%.

Work and commuting, ACS 2020-2024 5-year estimates
Measure	San Miguel County	New Mexico	Change since 2015-2019
In the labor force (age 16+)	50.6%±2.7 pts	57.8%	–
Unemployment rate	4.8%±1.8 pts	6.0%	−3.5 pts
Drove alone to work	73.9%±3.5 pts	73.6%	–
Carpooled	9.8%±2.5 pts	9.9%	–
Public transportation	0.1%±0.1 pts	0.6%	–
Walked	2.2%±1.2 pts	1.9%	–
Worked from home	11.2%±2.4 pts	12.2%	+3.3 pts
Mean travel time to work	22.7 min±2.2	23.5 min	no clear change

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What are San Miguel County's census tracts?

San Miguel County is divided into 10 census tracts. Among those with a reliable estimate, median household income runs from $33,784 (Tract 9577) to $64,375 (Tract 9575.01).

Census tracts of San Miguel County, ACS 2020-2024 5-year estimates; sort by any column

Tract 957235047957200	Las Vegas (71%)	3,851	3,049±364	$53,472	$168,900	$620	23.7%
Tract 957335047957300	Las Vegas (93%)	3,098	2,792±484	$40,563	$152,400	$882	34.2%
Tract 957435047957400	Las Vegas (88%)	4,067	3,914±447	$46,700	$123,300	$981	37.9%
Tract 9575.0135047957501	Conchas Dam (6%)	1,685	2,788±521	$64,375	$210,300	not published	21.4%
Tract 9575.0235047957502	–	2,350	2,513±506	$39,533	$207,400	not published	37.9%
Tract 9576.0135047957601	Tecolote (6%)	2,101	2,741±810	$72,283	$234,700	not published	8.9%
Tract 9576.0235047957602	East Pecos (3%)	1,265	1,397±423	$59,271	$172,800	not published	5.9%
Tract 9576.0335047957603	Pecos (38%)	2,538	1,676±365	$52,218	$291,200	$1,015	10.1%
Tract 957735047957700	Rowe (5%)	2,018	1,696±335	$33,784	$124,600	$953	17.3%
Tract 957835047957800	Las Vegas (75%)	4,228	4,284±516	$48,386	$193,400	$449	26.5%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

How does San Miguel County compare with New Mexico's other counties?

San Miguel County's rank among New Mexico's counties with a reliable estimate (1 = highest)
Measure	Rank
Population	16th of 33
Growth 2020-2025	27th of 33
Residents per square mile	20th of 33
Median household income	22nd of 32
Median home value	12th of 32
Median gross rent	21st of 31
Poverty rate	8th of 33
Bachelor's degree or higher	12th of 33
Median age	10th of 33

Every county in New Mexico

Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for San Miguel County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.