United States › New Mexico › Los Alamos County COUNTY · 2020 ACS
Los Alamos County New Mexico · 19,419 residents · 109 sq mi
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The short version
Los Alamos County is a county of 19,419 people in New Mexico. That is roughly 133% ahead of the New Mexico median. 68% of adults hold a bachelor's degree, against 33% nationally. The median household earns $119,266, about 80% above the national median. 75% of homes are owner-occupied. Getting to work takes 17 minutes on average.
At a glance
Wealthier
above the US median
US median: $66,278
Older
median age 41.5
US median: 38.8
More educated
68% hold a bachelor's degree
US average: 33%
Stable housing
home values roughly flat, inflation adjusted
US median home: $265,253
Section 01
Population & growth from 40.8 in 2000
US average: 38.8
Population, 1990 – 2024
18K 18K 19K 19K 20K 1990 2000 2010 2020 2024 Los Alamos County Age distribution, 2020
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Section 02
Income & economy $119,266
Unchangedinflation adjusted, since 2000
from $78,993 in 2000
US average: $66,278
from $34,646 in 2000
US average: $35,364
Households earning $100K+
from 63.6% in 2009
US average: 43.9%
from 2.9% in 2000
US average: 12.8%
Workforce by industry, 2020
Arts, entertainment, food 1.3%
Public administration 1.3%
Agriculture, forestry, fishing 0.9%
Professional, scientific, technical 0.7%
Education & health services 0.4%
Transportation & warehousing 0.2%
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$322,200
+1%inflation adjusted, since 2000
from $213,000 in 2000
US average: $265,253
$1,071
+7%inflation adjusted, since 2000
from $666 in 2000
US average: $1,124
from 78.6% in 2000
25.3% rent
from 2.35 people in 2009
US average: 2.61
from 2.9 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04
Race & ethnicity 2000
White, non-Hispanic 82.1%(15,051)
Hispanic / Latino 11.7%(2,155)
2020
White, non-Hispanic 69.2%(13,446)
Hispanic / Latino 17.7%(3,435)
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins
Detailed origins & ancestry Hispanic origin
+ 1 more hispanic origin group with data Ancestry
+ 27 more ancestry groups with data from 60.5% in 2000
US average: 32.9%
High school or higher
from 96.3% in 2000
US average: 88.5%
from 36.0% in 2000
US average: 12.7%
Section 06
Commute & transportation from 9.5 min in 2000
US average: 26.9
from 75.5% in 2009
US average: 75.1%
from 2.4% in 2009
US average: 8.4%
Section 07
Work & employment from 4.1% in 2011
US average: 5.4%
from 67.2% in 2011
US average: 63.4%
Women 20-64 in the labor force
US average: 73.3%
from 66.2% in 2009
US average: 39.3%
Section 08
People & community from 8.9% in 2009
US average: 13.5%
from 5.1% in 2013
US average: 8.8%
Computer in household
US average: 91.9%
Marital status (2024)
Women 15+
Never married 24.4%(1,871)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 5.1% in 2013
US average: 8.8%
Direct-purchase
US average: 13.7%
VA health care
US average: 2.3%
Any private
US average: 68.1%
Any public
US average: 35.2%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2020
Gulf War (2001 or later) 20.1%(258)
Share of the 1,284 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Drill deeper
Places similar to Los Alamos County Head to head
Compare Los Alamos County to nearby counties LOS ALAMOS COUNTY VS
Santa Fe County
Income $79,071 −34%
Home value $446,300 +39%
Population 156,907 +709%
SEE FULL COMPARISON →
LOS ALAMOS COUNTY VS
Sandoval County
Income $86,636 −27%
Home value $313,800 −3%
Population 159,565 +722%
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LOS ALAMOS COUNTY VS
Rio Arriba County
Income $57,155 −52%
Home value $243,700 −24%
Population 39,832 +105%
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LOS ALAMOS COUNTY VS
Bernalillo County
Income $69,473 −42%
Home value $292,900 −9%
Population 667,601 +3340%
SEE FULL COMPARISON →
Frequently asked
How many people live in Los Alamos County, New Mexico? Los Alamos County, New Mexico has about 19,419 residents according to the 2020 American Community Survey.
What is the median household income in Los Alamos County, New Mexico? The typical household in Los Alamos County, New Mexico earns about $119,266 a year. Half of households make more than that, and half make less.
Is Los Alamos County, New Mexico expensive? In Los Alamos County, New Mexico, the median home is worth about $322,200, and the typical rent is about $1,071 a month.
How educated are people in Los Alamos County, New Mexico? About 67.6% of adults age 25 and over in Los Alamos County, New Mexico hold a bachelor's degree or higher.
What is the poverty rate in Los Alamos County, New Mexico? About 4.0% of people in Los Alamos County, New Mexico live below the federal poverty line.
Has Los Alamos County, New Mexico grown since 1990? Yes, Los Alamos County, New Mexico has grown since 1990. The population has added about 1,304 residents, a change of about 7 percent over that period.
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