Los Alamos Population

2011–2026

654

2026 projection

48.7% since 2020 (decrease)

05001K1.5K2K20122014201620182020202220242026

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Los Alamos. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026654-7810.66%
2025732-1549.11%
2023886+526.24%
2022834-50937.90%
20211,343+685.33%
20201,275-35921.97%
20191,634+110.68%
20181,623+17612.16%
20171,447+967.11%
20161,351-25615.93%

Showing 10 of 15 years.

Los Alamos Demographics

58.3median age

Median age

Female63.8 yrs
Male45.6 yrs

Adults

953
447 seniors · 47%506 other adults

Sex

Female 56.1% · 652Male 43.9% · 511

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 12 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Los Alamos Income

$79,167median household income

Median household income

$79,167

Half of households earn more, half earn less

Poverty rate

2.8%

About 1 in 36 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Los Alamos Marital Status

57% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married57%71%47%
Never married13%18%9%
Divorced20%4%32%
Widowed10%6%12%
Separated0%0%0%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201