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COUNTY · 1990 CENSUS

Los Alamos County

New Mexico · 18,115 residents · 109.123 sq mi
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The short version

Los Alamos County is significantly wealthier than the US average, with a median household income of $54,801. Population has held roughly steady since 2000. 53% of adults hold a bachelor's degree or higher, well above the national rate of 20%. Median home value is $127,700. Poverty is rare here, at 2.4% of residents. Households here earn about 128% more than the New Mexico median.

At a glance
Wealthier
above the US median
US median: $30,130
Older
median age 37.8
US median: 33.0
More educated
53% hold a bachelor's degree
US average: 20%
More affordable
home values down 21%, inflation adjusted
US median home: $93,722
Section 01

Population & growth

18,115
−1%vs 2000
vs 18,343 in 2000
1990 – 2025
166 / sq mi
−1%vs 2000
vs 168 / sq mi in 2000
US average: 221
37.8
−7%vs 2000
vs 40.8 in 2000
US average: 33.0
Population, 19902024
18K18K19K19K20K1990201020202024Los Alamos County
202419K
1990201020202024
Section 02

Income & economy

$54,801
−9%inflation adjusted, since 2000
vs $78,993 in 2000
US average: $30,130
1990 – 2024
$22,900
−34%vs 2000
vs $34,646 in 2000
US average: $14,340
2.4%
−0.5 ptsvs 2000
vs 2.9% in 2000
US average: 13.2%
Section 03

Housing

$127,700
−21%inflation adjusted, since 2000
vs $213,000 in 2000
US average: $93,722
1990 – 2024
$467
−8%inflation adjusted, since 2000
vs $666 in 2000
US average: $450
74.4%
−4.2 ptsvs 2000
vs 78.6% in 2000
25.6% rent
2.3
−14%vs 2000
vs 2.7 in 2000
1990 – 2024
RELATED:See current rent listings in Los Alamos County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic82.1%(15,051)
Black0.3%(63)
Hispanic / Latino11.7%(2,155)
Asian3.8%(690)
Other0%
Diversity Score35.2%(6,460)
1990
White, non-Hispanic94.4%(17,098)
Black0.3%(58)
Hispanic / Latino10.7%(1,933)
Asian2.5%(448)
Other2.8%(511)
Diversity Score32.8%(5,937)
33
−7%vs 2000
vs 35 in 2000
1990 – 2024
Section 05

Education

53.4%
−7.1 ptsvs 2000
vs 60.5% in 2000
US average: 20.3%
High school or higher
94.7%
−1.7 ptsvs 2000
vs 96.3% in 2000
US average: 75.2%
29.7%
−6.4 ptsvs 2000
vs 36.0% in 2000
US average: 7.1%
Section 06

Commute & transportation

14.3 min
+52%vs 2000
vs 9.5 min in 2000
US average: 21.9
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

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Frequently asked

How many people live in Los Alamos County, New Mexico?

Los Alamos County, New Mexico has about 18,115 residents according to the 1990 Census.

What is the median household income in Los Alamos County, New Mexico?

The typical household in Los Alamos County, New Mexico earns about $54,801 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 $127,700, and the typical rent is about $467 a month.

How educated are people in Los Alamos County, New Mexico?

About 53.4% 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 2.4% of people in Los Alamos County, New Mexico live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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