Statistic Los Alamos California National
Population 1,326 40,994,941 336,919,644
Population density (sq mi) 343 263 91
Median age 44.9 36.0 37.7
Male/Female ratio 0.6:1 1.0:1 1.0:1
Married (15yrs & older) 69% 52% 55%
Families w/ Kids under 18 46% 46% 43%
Speak English 75% 56% 79%
Speak Spanish 25% 29% 13%
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Overview of Los Alamos Demographics

Los Alamos demographics provide invaluable insights into the composition, dynamics and needs of urban and rural areas, enabling them to plan, develop, and govern in ways that promote prosperity, equity and well-being for all residents. The Los Alamos population is 1,326 and has a population density of 343 people per square mile, compared to the national average of 91. The median age of all residents is 44.9, 69% of people 15 years of age or older are married and 46% have kids under the age of 18. In Los Alamos, 0% of households have a median income that is below $25,000 and 39% of households report a median income above $150,000.

Los Alamos Racial Demographics & Ethnicity

Recognizing the racial demographics and ethnicity breakdown of Los Alamos is pivotal for addressing systemic inequities, championing social justice and inclusion and fostering resilient communities. In Los Alamos, the racial breakdown comprises 74.8% White, 3.1% Black or African American, 1.4% Asian, 0% American Indian, and 6.4% Native Hawaiian, with 28.3% of the population identifying as Hispanic or Latino. 74.9% of households reported speaking English only, while 25.1% reported speaking Spanish only. Furthermore, 12.1% of residents were categorized as foreign-born.

Los Alamos Population Density

Areas with lower than average population density like Los Alamos, could offer a more relaxed pace of life, closer connection to nature, extraordinary sense of community, greater affordability and tend to be safer, making them attractive options for those seeking a quieter, more peaceful lifestyle away from the hustle and bustle of urban living. These areas often have a lower cost of living, with housing prices that are typically more affordable and residents may also benefit from lower taxes, living expenses and insurance rates. Low population density areas also tend to have lower crime rates compared to densely populated urban areas. This can contribute to a greater sense of safety and security for residents and their families. The Los Alamos population density is 343 people per square mile, which is lower than 50% of the cities across the country, putting it in a position to take advantage of all these great benefits.

Why are Demographics Important?

Policy Planning: Demographic data and statistics serve as valuable tools for guiding policy and decision-making processes across government entities, organizations, and businesses. Through the analysis and interpretation of Los Alamos demographics, policymakers, government officials and organizational leaders can identify areas requiring attention, allocate resources strategically and develop policies and initiatives that cater to the unique needs and preferences of various demographic groups. Los Alamos demographic statistics can play a critical role in policy planning by informing resource allocation, enabling evidence-based decision-making, identifying priority areas, forecasting future trends, monitoring policy outcomes and fostering equity and inclusivity. By harnessing this data effectively, policymakers can craft policies that are targeted, efficient and equitable, thereby addressing the diverse needs of communities.

Urban Development: Utilizing Los Alamos demographic statistics and data, urban planners can craft and develop areas that cater to local residents, encompassing housing, transportation and public services, all while emphasizing sustainability and enriching quality of life. Demographic transitions can contribute to gentrification and neighborhood evolution, whether in urban or rural environments. As neighborhoods draw in new residents with varying income levels and lifestyle preferences, property values may appreciate, potentially displacing longtime inhabitants and reshaping the neighborhood's fabric. Comprehensive insights into population density, age distribution, household size, and income levels are instrumental in guiding decisions regarding zoning, transportation infrastructure, housing expansion and public amenities. Harnessing Los Alamos demographic stats for planning and executing affordable housing initiatives can serve as a preventive measure against displacement.

Social Cohesion: The reporting and analysis of demographics are essential for fostering social cohesion and understanding among diverse communities. By acknowledging and valuing differences in Los Alamos demographics, societies can champion inclusivity, diversity and social harmony while tackling social disparities and advocating for equal opportunities. Racial demographics showcase the varied makeup of a population and play a vital role in nurturing inclusive and hospitable communities. Embracing diversity bolsters social cohesion, enhances cultural comprehension and enriches society by honoring the contributions of individuals from diverse racial and ethnic backgrounds.

Demographics Quick Facts

  • The population density in Los Alamos is 30% higher than California
  • The median age in Los Alamos is 25% higher than California
  • In Los Alamos 74.82% of the population is White
  • In Los Alamos 3.14% of the population is Black
  • In Los Alamos 1.41% of the population is Asian

Compare Los Alamos, CA Demographics

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      Los Alamos racial demographics

      Race Los Alamos California National
      White 74.82% 61.26% 73.35%
      Black 3.14% 5.85% 12.63%
      Asian 1.41% 13.85% 5.22%
      American Indian 0.00% 0.74% 0.82%
      Native Hawaiian 6.43% 0.39% 0.18%
      Mixed race 14.20% 4.62% 3.06%
      Other race 0.00% 13.28% 4.75%
      In Los Alamos, 28.3% of people are of Hispanic or Latino origin.
      Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

      Household income distribution

      Place of birth by citizenship

      Los Alamos age breakdown

      Marital status

      Age of children in married couples

      Source: The Los Alamos, CA demographics data displayed above is derived from the United States Census Bureau American Community Survey (ACS) and include 2026 modeled data developed using proprietary methodologies.